drm: omapdrm: dispc: Allocate the dispc private data structure dynamically
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Tue, 13 Feb 2018 12:00:44 +0000 (14:00 +0200)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Thu, 1 Mar 2018 07:18:18 +0000 (09:18 +0200)
The dispc private data structure is currently stored as a global
variable. While no platform with multiple DISPC currently exists
nor is planned, this doesn't comply with the kernel device model and
should thus be fixed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
drivers/gpu/drm/omapdrm/dss/dispc.c

index bd014bf..ce470b5 100644 (file)
@@ -47,6 +47,8 @@
 #include "dss.h"
 #include "dispc.h"
 
+struct dispc_device;
+
 /* DISPC */
 #define DISPC_SZ_REGS                  SZ_4K
 
@@ -56,11 +58,12 @@ enum omap_burst_size {
        BURST_SIZE_X8 = 2,
 };
 
-#define REG_GET(idx, start, end) \
-       FLD_GET(dispc_read_reg(idx), start, end)
+#define REG_GET(dispc, idx, start, end) \
+       FLD_GET(dispc_read_reg(dispc, idx), start, end)
 
-#define REG_FLD_MOD(idx, val, start, end)                              \
-       dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
+#define REG_FLD_MOD(dispc, idx, val, start, end)                       \
+       dispc_write_reg(dispc, idx, \
+                       FLD_MOD(dispc_read_reg(dispc, idx), val, start, end))
 
 /* DISPC has feature id */
 enum dispc_feature_id {
@@ -105,7 +108,8 @@ struct dispc_features {
        unsigned int max_downscale;
        unsigned int max_line_width;
        unsigned int min_pcd;
-       int (*calc_scaling) (unsigned long pclk, unsigned long lclk,
+       int (*calc_scaling)(struct dispc_device *dispc,
+               unsigned long pclk, unsigned long lclk,
                const struct videomode *vm,
                u16 width, u16 height, u16 out_width, u16 out_height,
                u32 fourcc, bool *five_taps,
@@ -196,8 +200,6 @@ struct dispc_device {
        spinlock_t control_lock;
 };
 
-static struct dispc_device dispc;
-
 enum omap_color_component {
        /* used for all color formats for OMAP3 and earlier
         * and for RGB and Y color component on OMAP4
@@ -355,45 +357,52 @@ struct color_conv_coef {
        int full_range;
 };
 
-static unsigned long dispc_fclk_rate(void);
-static unsigned long dispc_core_clk_rate(void);
-static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel);
-static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
+static unsigned long dispc_fclk_rate(struct dispc_device *dispc);
+static unsigned long dispc_core_clk_rate(struct dispc_device *dispc);
+static unsigned long dispc_mgr_lclk_rate(struct dispc_device *dispc,
+                                        enum omap_channel channel);
+static unsigned long dispc_mgr_pclk_rate(struct dispc_device *dispc,
+                                        enum omap_channel channel);
 
-static unsigned long dispc_plane_pclk_rate(enum omap_plane_id plane);
-static unsigned long dispc_plane_lclk_rate(enum omap_plane_id plane);
+static unsigned long dispc_plane_pclk_rate(struct dispc_device *dispc,
+                                          enum omap_plane_id plane);
+static unsigned long dispc_plane_lclk_rate(struct dispc_device *dispc,
+                                          enum omap_plane_id plane);
 
 static void dispc_clear_irqstatus(struct dispc_device *dispc, u32 mask);
 
-static inline void dispc_write_reg(const u16 idx, u32 val)
+static inline void dispc_write_reg(struct dispc_device *dispc, u16 idx, u32 val)
 {
-       __raw_writel(val, dispc.base + idx);
+       __raw_writel(val, dispc->base + idx);
 }
 
-static inline u32 dispc_read_reg(const u16 idx)
+static inline u32 dispc_read_reg(struct dispc_device *dispc, u16 idx)
 {
-       return __raw_readl(dispc.base + idx);
+       return __raw_readl(dispc->base + idx);
 }
 
-static u32 mgr_fld_read(enum omap_channel channel, enum mgr_reg_fields regfld)
+static u32 mgr_fld_read(struct dispc_device *dispc, enum omap_channel channel,
+                       enum mgr_reg_fields regfld)
 {
        const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
-       return REG_GET(rfld.reg, rfld.high, rfld.low);
+
+       return REG_GET(dispc, rfld.reg, rfld.high, rfld.low);
 }
 
-static void mgr_fld_write(enum omap_channel channel,
-                                       enum mgr_reg_fields regfld, int val) {
+static void mgr_fld_write(struct dispc_device *dispc, enum omap_channel channel,
+                         enum mgr_reg_fields regfld, int val)
+{
        const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];
        const bool need_lock = rfld.reg == DISPC_CONTROL || rfld.reg == DISPC_CONFIG;
        unsigned long flags;
 
        if (need_lock)
-               spin_lock_irqsave(&dispc.control_lock, flags);
+               spin_lock_irqsave(&dispc->control_lock, flags);
 
-       REG_FLD_MOD(rfld.reg, val, rfld.high, rfld.low);
+       REG_FLD_MOD(dispc, rfld.reg, val, rfld.high, rfld.low);
 
        if (need_lock)
-               spin_unlock_irqrestore(&dispc.control_lock, flags);
+               spin_unlock_irqrestore(&dispc->control_lock, flags);
 }
 
 static int dispc_get_num_ovls(struct dispc_device *dispc)
@@ -406,255 +415,257 @@ static int dispc_get_num_mgrs(struct dispc_device *dispc)
        return dispc->feat->num_mgrs;
 }
 
-static void dispc_get_reg_field(enum dispc_feat_reg_field id,
+static void dispc_get_reg_field(struct dispc_device *dispc,
+                               enum dispc_feat_reg_field id,
                                u8 *start, u8 *end)
 {
-       if (id >= dispc.feat->num_reg_fields)
+       if (id >= dispc->feat->num_reg_fields)
                BUG();
 
-       *start = dispc.feat->reg_fields[id].start;
-       *end = dispc.feat->reg_fields[id].end;
+       *start = dispc->feat->reg_fields[id].start;
+       *end = dispc->feat->reg_fields[id].end;
 }
 
-static bool dispc_has_feature(enum dispc_feature_id id)
+static bool dispc_has_feature(struct dispc_device *dispc,
+                             enum dispc_feature_id id)
 {
        unsigned int i;
 
-       for (i = 0; i < dispc.feat->num_features; i++) {
-               if (dispc.feat->features[i] == id)
+       for (i = 0; i < dispc->feat->num_features; i++) {
+               if (dispc->feat->features[i] == id)
                        return true;
        }
 
        return false;
 }
 
-#define SR(reg) \
-       dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)
-#define RR(reg) \
-       dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)])
+#define SR(dispc, reg) \
+       dispc->ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(dispc, DISPC_##reg)
+#define RR(dispc, reg) \
+       dispc_write_reg(dispc, DISPC_##reg, dispc->ctx[DISPC_##reg / sizeof(u32)])
 
-static void dispc_save_context(void)
+static void dispc_save_context(struct dispc_device *dispc)
 {
        int i, j;
 
        DSSDBG("dispc_save_context\n");
 
-       SR(IRQENABLE);
-       SR(CONTROL);
-       SR(CONFIG);
-       SR(LINE_NUMBER);
-       if (dispc_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
-                       dispc_has_feature(FEAT_ALPHA_FREE_ZORDER))
-               SR(GLOBAL_ALPHA);
-       if (dispc_has_feature(FEAT_MGR_LCD2)) {
-               SR(CONTROL2);
-               SR(CONFIG2);
+       SR(dispc, IRQENABLE);
+       SR(dispc, CONTROL);
+       SR(dispc, CONFIG);
+       SR(dispc, LINE_NUMBER);
+       if (dispc_has_feature(dispc, FEAT_ALPHA_FIXED_ZORDER) ||
+                       dispc_has_feature(dispc, FEAT_ALPHA_FREE_ZORDER))
+               SR(dispc, GLOBAL_ALPHA);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2)) {
+               SR(dispc, CONTROL2);
+               SR(dispc, CONFIG2);
        }
-       if (dispc_has_feature(FEAT_MGR_LCD3)) {
-               SR(CONTROL3);
-               SR(CONFIG3);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3)) {
+               SR(dispc, CONTROL3);
+               SR(dispc, CONFIG3);
        }
 
-       for (i = 0; i < dispc_get_num_mgrs(&dispc); i++) {
-               SR(DEFAULT_COLOR(i));
-               SR(TRANS_COLOR(i));
-               SR(SIZE_MGR(i));
+       for (i = 0; i < dispc_get_num_mgrs(dispc); i++) {
+               SR(dispc, DEFAULT_COLOR(i));
+               SR(dispc, TRANS_COLOR(i));
+               SR(dispc, SIZE_MGR(i));
                if (i == OMAP_DSS_CHANNEL_DIGIT)
                        continue;
-               SR(TIMING_H(i));
-               SR(TIMING_V(i));
-               SR(POL_FREQ(i));
-               SR(DIVISORo(i));
-
-               SR(DATA_CYCLE1(i));
-               SR(DATA_CYCLE2(i));
-               SR(DATA_CYCLE3(i));
-
-               if (dispc_has_feature(FEAT_CPR)) {
-                       SR(CPR_COEF_R(i));
-                       SR(CPR_COEF_G(i));
-                       SR(CPR_COEF_B(i));
+               SR(dispc, TIMING_H(i));
+               SR(dispc, TIMING_V(i));
+               SR(dispc, POL_FREQ(i));
+               SR(dispc, DIVISORo(i));
+
+               SR(dispc, DATA_CYCLE1(i));
+               SR(dispc, DATA_CYCLE2(i));
+               SR(dispc, DATA_CYCLE3(i));
+
+               if (dispc_has_feature(dispc, FEAT_CPR)) {
+                       SR(dispc, CPR_COEF_R(i));
+                       SR(dispc, CPR_COEF_G(i));
+                       SR(dispc, CPR_COEF_B(i));
                }
        }
 
-       for (i = 0; i < dispc_get_num_ovls(&dispc); i++) {
-               SR(OVL_BA0(i));
-               SR(OVL_BA1(i));
-               SR(OVL_POSITION(i));
-               SR(OVL_SIZE(i));
-               SR(OVL_ATTRIBUTES(i));
-               SR(OVL_FIFO_THRESHOLD(i));
-               SR(OVL_ROW_INC(i));
-               SR(OVL_PIXEL_INC(i));
-               if (dispc_has_feature(FEAT_PRELOAD))
-                       SR(OVL_PRELOAD(i));
+       for (i = 0; i < dispc_get_num_ovls(dispc); i++) {
+               SR(dispc, OVL_BA0(i));
+               SR(dispc, OVL_BA1(i));
+               SR(dispc, OVL_POSITION(i));
+               SR(dispc, OVL_SIZE(i));
+               SR(dispc, OVL_ATTRIBUTES(i));
+               SR(dispc, OVL_FIFO_THRESHOLD(i));
+               SR(dispc, OVL_ROW_INC(i));
+               SR(dispc, OVL_PIXEL_INC(i));
+               if (dispc_has_feature(dispc, FEAT_PRELOAD))
+                       SR(dispc, OVL_PRELOAD(i));
                if (i == OMAP_DSS_GFX) {
-                       SR(OVL_WINDOW_SKIP(i));
-                       SR(OVL_TABLE_BA(i));
+                       SR(dispc, OVL_WINDOW_SKIP(i));
+                       SR(dispc, OVL_TABLE_BA(i));
                        continue;
                }
-               SR(OVL_FIR(i));
-               SR(OVL_PICTURE_SIZE(i));
-               SR(OVL_ACCU0(i));
-               SR(OVL_ACCU1(i));
+               SR(dispc, OVL_FIR(i));
+               SR(dispc, OVL_PICTURE_SIZE(i));
+               SR(dispc, OVL_ACCU0(i));
+               SR(dispc, OVL_ACCU1(i));
 
                for (j = 0; j < 8; j++)
-                       SR(OVL_FIR_COEF_H(i, j));
+                       SR(dispc, OVL_FIR_COEF_H(i, j));
 
                for (j = 0; j < 8; j++)
-                       SR(OVL_FIR_COEF_HV(i, j));
+                       SR(dispc, OVL_FIR_COEF_HV(i, j));
 
                for (j = 0; j < 5; j++)
-                       SR(OVL_CONV_COEF(i, j));
+                       SR(dispc, OVL_CONV_COEF(i, j));
 
-               if (dispc_has_feature(FEAT_FIR_COEF_V)) {
+               if (dispc_has_feature(dispc, FEAT_FIR_COEF_V)) {
                        for (j = 0; j < 8; j++)
-                               SR(OVL_FIR_COEF_V(i, j));
+                               SR(dispc, OVL_FIR_COEF_V(i, j));
                }
 
-               if (dispc_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
-                       SR(OVL_BA0_UV(i));
-                       SR(OVL_BA1_UV(i));
-                       SR(OVL_FIR2(i));
-                       SR(OVL_ACCU2_0(i));
-                       SR(OVL_ACCU2_1(i));
+               if (dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) {
+                       SR(dispc, OVL_BA0_UV(i));
+                       SR(dispc, OVL_BA1_UV(i));
+                       SR(dispc, OVL_FIR2(i));
+                       SR(dispc, OVL_ACCU2_0(i));
+                       SR(dispc, OVL_ACCU2_1(i));
 
                        for (j = 0; j < 8; j++)
-                               SR(OVL_FIR_COEF_H2(i, j));
+                               SR(dispc, OVL_FIR_COEF_H2(i, j));
 
                        for (j = 0; j < 8; j++)
-                               SR(OVL_FIR_COEF_HV2(i, j));
+                               SR(dispc, OVL_FIR_COEF_HV2(i, j));
 
                        for (j = 0; j < 8; j++)
-                               SR(OVL_FIR_COEF_V2(i, j));
+                               SR(dispc, OVL_FIR_COEF_V2(i, j));
                }
-               if (dispc_has_feature(FEAT_ATTR2))
-                       SR(OVL_ATTRIBUTES2(i));
+               if (dispc_has_feature(dispc, FEAT_ATTR2))
+                       SR(dispc, OVL_ATTRIBUTES2(i));
        }
 
-       if (dispc_has_feature(FEAT_CORE_CLK_DIV))
-               SR(DIVISOR);
+       if (dispc_has_feature(dispc, FEAT_CORE_CLK_DIV))
+               SR(dispc, DIVISOR);
 
-       dispc.ctx_valid = true;
+       dispc->ctx_valid = true;
 
        DSSDBG("context saved\n");
 }
 
-static void dispc_restore_context(void)
+static void dispc_restore_context(struct dispc_device *dispc)
 {
        int i, j;
 
        DSSDBG("dispc_restore_context\n");
 
-       if (!dispc.ctx_valid)
+       if (!dispc->ctx_valid)
                return;
 
-       /*RR(IRQENABLE);*/
-       /*RR(CONTROL);*/
-       RR(CONFIG);
-       RR(LINE_NUMBER);
-       if (dispc_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
-                       dispc_has_feature(FEAT_ALPHA_FREE_ZORDER))
-               RR(GLOBAL_ALPHA);
-       if (dispc_has_feature(FEAT_MGR_LCD2))
-               RR(CONFIG2);
-       if (dispc_has_feature(FEAT_MGR_LCD3))
-               RR(CONFIG3);
-
-       for (i = 0; i < dispc_get_num_mgrs(&dispc); i++) {
-               RR(DEFAULT_COLOR(i));
-               RR(TRANS_COLOR(i));
-               RR(SIZE_MGR(i));
+       /*RR(dispc, IRQENABLE);*/
+       /*RR(dispc, CONTROL);*/
+       RR(dispc, CONFIG);
+       RR(dispc, LINE_NUMBER);
+       if (dispc_has_feature(dispc, FEAT_ALPHA_FIXED_ZORDER) ||
+                       dispc_has_feature(dispc, FEAT_ALPHA_FREE_ZORDER))
+               RR(dispc, GLOBAL_ALPHA);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2))
+               RR(dispc, CONFIG2);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3))
+               RR(dispc, CONFIG3);
+
+       for (i = 0; i < dispc_get_num_mgrs(dispc); i++) {
+               RR(dispc, DEFAULT_COLOR(i));
+               RR(dispc, TRANS_COLOR(i));
+               RR(dispc, SIZE_MGR(i));
                if (i == OMAP_DSS_CHANNEL_DIGIT)
                        continue;
-               RR(TIMING_H(i));
-               RR(TIMING_V(i));
-               RR(POL_FREQ(i));
-               RR(DIVISORo(i));
-
-               RR(DATA_CYCLE1(i));
-               RR(DATA_CYCLE2(i));
-               RR(DATA_CYCLE3(i));
-
-               if (dispc_has_feature(FEAT_CPR)) {
-                       RR(CPR_COEF_R(i));
-                       RR(CPR_COEF_G(i));
-                       RR(CPR_COEF_B(i));
+               RR(dispc, TIMING_H(i));
+               RR(dispc, TIMING_V(i));
+               RR(dispc, POL_FREQ(i));
+               RR(dispc, DIVISORo(i));
+
+               RR(dispc, DATA_CYCLE1(i));
+               RR(dispc, DATA_CYCLE2(i));
+               RR(dispc, DATA_CYCLE3(i));
+
+               if (dispc_has_feature(dispc, FEAT_CPR)) {
+                       RR(dispc, CPR_COEF_R(i));
+                       RR(dispc, CPR_COEF_G(i));
+                       RR(dispc, CPR_COEF_B(i));
                }
        }
 
-       for (i = 0; i < dispc_get_num_ovls(&dispc); i++) {
-               RR(OVL_BA0(i));
-               RR(OVL_BA1(i));
-               RR(OVL_POSITION(i));
-               RR(OVL_SIZE(i));
-               RR(OVL_ATTRIBUTES(i));
-               RR(OVL_FIFO_THRESHOLD(i));
-               RR(OVL_ROW_INC(i));
-               RR(OVL_PIXEL_INC(i));
-               if (dispc_has_feature(FEAT_PRELOAD))
-                       RR(OVL_PRELOAD(i));
+       for (i = 0; i < dispc_get_num_ovls(dispc); i++) {
+               RR(dispc, OVL_BA0(i));
+               RR(dispc, OVL_BA1(i));
+               RR(dispc, OVL_POSITION(i));
+               RR(dispc, OVL_SIZE(i));
+               RR(dispc, OVL_ATTRIBUTES(i));
+               RR(dispc, OVL_FIFO_THRESHOLD(i));
+               RR(dispc, OVL_ROW_INC(i));
+               RR(dispc, OVL_PIXEL_INC(i));
+               if (dispc_has_feature(dispc, FEAT_PRELOAD))
+                       RR(dispc, OVL_PRELOAD(i));
                if (i == OMAP_DSS_GFX) {
-                       RR(OVL_WINDOW_SKIP(i));
-                       RR(OVL_TABLE_BA(i));
+                       RR(dispc, OVL_WINDOW_SKIP(i));
+                       RR(dispc, OVL_TABLE_BA(i));
                        continue;
                }
-               RR(OVL_FIR(i));
-               RR(OVL_PICTURE_SIZE(i));
-               RR(OVL_ACCU0(i));
-               RR(OVL_ACCU1(i));
+               RR(dispc, OVL_FIR(i));
+               RR(dispc, OVL_PICTURE_SIZE(i));
+               RR(dispc, OVL_ACCU0(i));
+               RR(dispc, OVL_ACCU1(i));
 
                for (j = 0; j < 8; j++)
-                       RR(OVL_FIR_COEF_H(i, j));
+                       RR(dispc, OVL_FIR_COEF_H(i, j));
 
                for (j = 0; j < 8; j++)
-                       RR(OVL_FIR_COEF_HV(i, j));
+                       RR(dispc, OVL_FIR_COEF_HV(i, j));
 
                for (j = 0; j < 5; j++)
-                       RR(OVL_CONV_COEF(i, j));
+                       RR(dispc, OVL_CONV_COEF(i, j));
 
-               if (dispc_has_feature(FEAT_FIR_COEF_V)) {
+               if (dispc_has_feature(dispc, FEAT_FIR_COEF_V)) {
                        for (j = 0; j < 8; j++)
-                               RR(OVL_FIR_COEF_V(i, j));
+                               RR(dispc, OVL_FIR_COEF_V(i, j));
                }
 
-               if (dispc_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
-                       RR(OVL_BA0_UV(i));
-                       RR(OVL_BA1_UV(i));
-                       RR(OVL_FIR2(i));
-                       RR(OVL_ACCU2_0(i));
-                       RR(OVL_ACCU2_1(i));
+               if (dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) {
+                       RR(dispc, OVL_BA0_UV(i));
+                       RR(dispc, OVL_BA1_UV(i));
+                       RR(dispc, OVL_FIR2(i));
+                       RR(dispc, OVL_ACCU2_0(i));
+                       RR(dispc, OVL_ACCU2_1(i));
 
                        for (j = 0; j < 8; j++)
-                               RR(OVL_FIR_COEF_H2(i, j));
+                               RR(dispc, OVL_FIR_COEF_H2(i, j));
 
                        for (j = 0; j < 8; j++)
-                               RR(OVL_FIR_COEF_HV2(i, j));
+                               RR(dispc, OVL_FIR_COEF_HV2(i, j));
 
                        for (j = 0; j < 8; j++)
-                               RR(OVL_FIR_COEF_V2(i, j));
+                               RR(dispc, OVL_FIR_COEF_V2(i, j));
                }
-               if (dispc_has_feature(FEAT_ATTR2))
-                       RR(OVL_ATTRIBUTES2(i));
+               if (dispc_has_feature(dispc, FEAT_ATTR2))
+                       RR(dispc, OVL_ATTRIBUTES2(i));
        }
 
-       if (dispc_has_feature(FEAT_CORE_CLK_DIV))
-               RR(DIVISOR);
+       if (dispc_has_feature(dispc, FEAT_CORE_CLK_DIV))
+               RR(dispc, DIVISOR);
 
        /* enable last, because LCD & DIGIT enable are here */
-       RR(CONTROL);
-       if (dispc_has_feature(FEAT_MGR_LCD2))
-               RR(CONTROL2);
-       if (dispc_has_feature(FEAT_MGR_LCD3))
-               RR(CONTROL3);
+       RR(dispc, CONTROL);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2))
+               RR(dispc, CONTROL2);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3))
+               RR(dispc, CONTROL3);
        /* clear spurious SYNC_LOST_DIGIT interrupts */
-       dispc_clear_irqstatus(&dispc, DISPC_IRQ_SYNC_LOST_DIGIT);
+       dispc_clear_irqstatus(dispc, DISPC_IRQ_SYNC_LOST_DIGIT);
 
        /*
         * enable last so IRQs won't trigger before
         * the context is fully restored
         */
-       RR(IRQENABLE);
+       RR(dispc, IRQENABLE);
 
        DSSDBG("context restored\n");
 }
@@ -712,21 +723,21 @@ u32 dispc_wb_get_framedone_irq(struct dispc_device *dispc)
 static void dispc_mgr_enable(struct dispc_device *dispc,
                             enum omap_channel channel, bool enable)
 {
-       mgr_fld_write(channel, DISPC_MGR_FLD_ENABLE, enable);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_ENABLE, enable);
        /* flush posted write */
-       mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
+       mgr_fld_read(dispc, channel, DISPC_MGR_FLD_ENABLE);
 }
 
 static bool dispc_mgr_is_enabled(struct dispc_device *dispc,
                                 enum omap_channel channel)
 {
-       return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
+       return !!mgr_fld_read(dispc, channel, DISPC_MGR_FLD_ENABLE);
 }
 
 static bool dispc_mgr_go_busy(struct dispc_device *dispc,
                              enum omap_channel channel)
 {
-       return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
+       return mgr_fld_read(dispc, channel, DISPC_MGR_FLD_GO) == 1;
 }
 
 static void dispc_mgr_go(struct dispc_device *dispc, enum omap_channel channel)
@@ -736,12 +747,12 @@ static void dispc_mgr_go(struct dispc_device *dispc, enum omap_channel channel)
 
        DSSDBG("GO %s\n", mgr_desc[channel].name);
 
-       mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_GO, 1);
 }
 
 bool dispc_wb_go_busy(struct dispc_device *dispc)
 {
-       return REG_GET(DISPC_CONTROL2, 6, 6) == 1;
+       return REG_GET(dispc, DISPC_CONTROL2, 6, 6) == 1;
 }
 
 void dispc_wb_go(struct dispc_device *dispc)
@@ -749,65 +760,72 @@ void dispc_wb_go(struct dispc_device *dispc)
        enum omap_plane_id plane = OMAP_DSS_WB;
        bool enable, go;
 
-       enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
+       enable = REG_GET(dispc, DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
 
        if (!enable)
                return;
 
-       go = REG_GET(DISPC_CONTROL2, 6, 6) == 1;
+       go = REG_GET(dispc, DISPC_CONTROL2, 6, 6) == 1;
        if (go) {
                DSSERR("GO bit not down for WB\n");
                return;
        }
 
-       REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6);
+       REG_FLD_MOD(dispc, DISPC_CONTROL2, 1, 6, 6);
 }
 
-static void dispc_ovl_write_firh_reg(enum omap_plane_id plane, int reg,
+static void dispc_ovl_write_firh_reg(struct dispc_device *dispc,
+                                    enum omap_plane_id plane, int reg,
                                     u32 value)
 {
-       dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_H(plane, reg), value);
 }
 
-static void dispc_ovl_write_firhv_reg(enum omap_plane_id plane, int reg,
+static void dispc_ovl_write_firhv_reg(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int reg,
                                      u32 value)
 {
-       dispc_write_reg(DISPC_OVL_FIR_COEF_HV(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_HV(plane, reg), value);
 }
 
-static void dispc_ovl_write_firv_reg(enum omap_plane_id plane, int reg,
+static void dispc_ovl_write_firv_reg(struct dispc_device *dispc,
+                                    enum omap_plane_id plane, int reg,
                                     u32 value)
 {
-       dispc_write_reg(DISPC_OVL_FIR_COEF_V(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_V(plane, reg), value);
 }
 
-static void dispc_ovl_write_firh2_reg(enum omap_plane_id plane, int reg,
+static void dispc_ovl_write_firh2_reg(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int reg,
                                      u32 value)
 {
        BUG_ON(plane == OMAP_DSS_GFX);
 
-       dispc_write_reg(DISPC_OVL_FIR_COEF_H2(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_H2(plane, reg), value);
 }
 
-static void dispc_ovl_write_firhv2_reg(enum omap_plane_id plane, int reg,
-               u32 value)
+static void dispc_ovl_write_firhv2_reg(struct dispc_device *dispc,
+                                      enum omap_plane_id plane, int reg,
+                                      u32 value)
 {
        BUG_ON(plane == OMAP_DSS_GFX);
 
-       dispc_write_reg(DISPC_OVL_FIR_COEF_HV2(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_HV2(plane, reg), value);
 }
 
-static void dispc_ovl_write_firv2_reg(enum omap_plane_id plane, int reg,
+static void dispc_ovl_write_firv2_reg(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int reg,
                                      u32 value)
 {
        BUG_ON(plane == OMAP_DSS_GFX);
 
-       dispc_write_reg(DISPC_OVL_FIR_COEF_V2(plane, reg), value);
+       dispc_write_reg(dispc, DISPC_OVL_FIR_COEF_V2(plane, reg), value);
 }
 
-static void dispc_ovl_set_scale_coef(enum omap_plane_id plane, int fir_hinc,
-                               int fir_vinc, int five_taps,
-                               enum omap_color_component color_comp)
+static void dispc_ovl_set_scale_coef(struct dispc_device *dispc,
+                                    enum omap_plane_id plane, int fir_hinc,
+                                    int fir_vinc, int five_taps,
+                                    enum omap_color_component color_comp)
 {
        const struct dispc_coef *h_coef, *v_coef;
        int i;
@@ -828,11 +846,11 @@ static void dispc_ovl_set_scale_coef(enum omap_plane_id plane, int fir_hinc,
                        | FLD_VAL(v_coef[i].hc3_vc2, 31, 24);
 
                if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
-                       dispc_ovl_write_firh_reg(plane, i, h);
-                       dispc_ovl_write_firhv_reg(plane, i, hv);
+                       dispc_ovl_write_firh_reg(dispc, plane, i, h);
+                       dispc_ovl_write_firhv_reg(dispc, plane, i, hv);
                } else {
-                       dispc_ovl_write_firh2_reg(plane, i, h);
-                       dispc_ovl_write_firhv2_reg(plane, i, hv);
+                       dispc_ovl_write_firh2_reg(dispc, plane, i, h);
+                       dispc_ovl_write_firhv2_reg(dispc, plane, i, hv);
                }
 
        }
@@ -843,34 +861,35 @@ static void dispc_ovl_set_scale_coef(enum omap_plane_id plane, int fir_hinc,
                        v = FLD_VAL(v_coef[i].hc0_vc00, 7, 0)
                                | FLD_VAL(v_coef[i].hc4_vc22, 15, 8);
                        if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y)
-                               dispc_ovl_write_firv_reg(plane, i, v);
+                               dispc_ovl_write_firv_reg(dispc, plane, i, v);
                        else
-                               dispc_ovl_write_firv2_reg(plane, i, v);
+                               dispc_ovl_write_firv2_reg(dispc, plane, i, v);
                }
        }
 }
 
 
-static void dispc_ovl_write_color_conv_coef(enum omap_plane_id plane,
-               const struct color_conv_coef *ct)
+static void dispc_ovl_write_color_conv_coef(struct dispc_device *dispc,
+                                           enum omap_plane_id plane,
+                                           const struct color_conv_coef *ct)
 {
 #define CVAL(x, y) (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
 
-       dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 0), CVAL(ct->rcr, ct->ry));
-       dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 1), CVAL(ct->gy,  ct->rcb));
-       dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr));
-       dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 3), CVAL(ct->bcr, ct->by));
-       dispc_write_reg(DISPC_OVL_CONV_COEF(plane, 4), CVAL(0, ct->bcb));
+       dispc_write_reg(dispc, DISPC_OVL_CONV_COEF(plane, 0), CVAL(ct->rcr, ct->ry));
+       dispc_write_reg(dispc, DISPC_OVL_CONV_COEF(plane, 1), CVAL(ct->gy,  ct->rcb));
+       dispc_write_reg(dispc, DISPC_OVL_CONV_COEF(plane, 2), CVAL(ct->gcb, ct->gcr));
+       dispc_write_reg(dispc, DISPC_OVL_CONV_COEF(plane, 3), CVAL(ct->bcr, ct->by));
+       dispc_write_reg(dispc, DISPC_OVL_CONV_COEF(plane, 4), CVAL(0, ct->bcb));
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), ct->full_range, 11, 11);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), ct->full_range, 11, 11);
 
 #undef CVAL
 }
 
-static void dispc_setup_color_conv_coef(void)
+static void dispc_setup_color_conv_coef(struct dispc_device *dispc)
 {
        int i;
-       int num_ovl = dispc_get_num_ovls(&dispc);
+       int num_ovl = dispc_get_num_ovls(dispc);
        const struct color_conv_coef ctbl_bt601_5_ovl = {
                /* YUV -> RGB */
                298, 409, 0, 298, -208, -100, 298, 0, 517, 0,
@@ -881,34 +900,40 @@ static void dispc_setup_color_conv_coef(void)
        };
 
        for (i = 1; i < num_ovl; i++)
-               dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_ovl);
+               dispc_ovl_write_color_conv_coef(dispc, i, &ctbl_bt601_5_ovl);
 
-       if (dispc.feat->has_writeback)
-               dispc_ovl_write_color_conv_coef(OMAP_DSS_WB, &ctbl_bt601_5_wb);
+       if (dispc->feat->has_writeback)
+               dispc_ovl_write_color_conv_coef(dispc, OMAP_DSS_WB,
+                                               &ctbl_bt601_5_wb);
 }
 
-static void dispc_ovl_set_ba0(enum omap_plane_id plane, u32 paddr)
+static void dispc_ovl_set_ba0(struct dispc_device *dispc,
+                             enum omap_plane_id plane, u32 paddr)
 {
-       dispc_write_reg(DISPC_OVL_BA0(plane), paddr);
+       dispc_write_reg(dispc, DISPC_OVL_BA0(plane), paddr);
 }
 
-static void dispc_ovl_set_ba1(enum omap_plane_id plane, u32 paddr)
+static void dispc_ovl_set_ba1(struct dispc_device *dispc,
+                             enum omap_plane_id plane, u32 paddr)
 {
-       dispc_write_reg(DISPC_OVL_BA1(plane), paddr);
+       dispc_write_reg(dispc, DISPC_OVL_BA1(plane), paddr);
 }
 
-static void dispc_ovl_set_ba0_uv(enum omap_plane_id plane, u32 paddr)
+static void dispc_ovl_set_ba0_uv(struct dispc_device *dispc,
+                                enum omap_plane_id plane, u32 paddr)
 {
-       dispc_write_reg(DISPC_OVL_BA0_UV(plane), paddr);
+       dispc_write_reg(dispc, DISPC_OVL_BA0_UV(plane), paddr);
 }
 
-static void dispc_ovl_set_ba1_uv(enum omap_plane_id plane, u32 paddr)
+static void dispc_ovl_set_ba1_uv(struct dispc_device *dispc,
+                                enum omap_plane_id plane, u32 paddr)
 {
-       dispc_write_reg(DISPC_OVL_BA1_UV(plane), paddr);
+       dispc_write_reg(dispc, DISPC_OVL_BA1_UV(plane), paddr);
 }
 
-static void dispc_ovl_set_pos(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, int x, int y)
+static void dispc_ovl_set_pos(struct dispc_device *dispc,
+                             enum omap_plane_id plane,
+                             enum omap_overlay_caps caps, int x, int y)
 {
        u32 val;
 
@@ -917,22 +942,24 @@ static void dispc_ovl_set_pos(enum omap_plane_id plane,
 
        val = FLD_VAL(y, 26, 16) | FLD_VAL(x, 10, 0);
 
-       dispc_write_reg(DISPC_OVL_POSITION(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_POSITION(plane), val);
 }
 
-static void dispc_ovl_set_input_size(enum omap_plane_id plane, int width,
-               int height)
+static void dispc_ovl_set_input_size(struct dispc_device *dispc,
+                                    enum omap_plane_id plane, int width,
+                                    int height)
 {
        u32 val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
 
        if (plane == OMAP_DSS_GFX || plane == OMAP_DSS_WB)
-               dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_SIZE(plane), val);
        else
-               dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_PICTURE_SIZE(plane), val);
 }
 
-static void dispc_ovl_set_output_size(enum omap_plane_id plane, int width,
-               int height)
+static void dispc_ovl_set_output_size(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int width,
+                                     int height)
 {
        u32 val;
 
@@ -941,42 +968,47 @@ static void dispc_ovl_set_output_size(enum omap_plane_id plane, int width,
        val = FLD_VAL(height - 1, 26, 16) | FLD_VAL(width - 1, 10, 0);
 
        if (plane == OMAP_DSS_WB)
-               dispc_write_reg(DISPC_OVL_PICTURE_SIZE(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_PICTURE_SIZE(plane), val);
        else
-               dispc_write_reg(DISPC_OVL_SIZE(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_SIZE(plane), val);
 }
 
-static void dispc_ovl_set_zorder(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, u8 zorder)
+static void dispc_ovl_set_zorder(struct dispc_device *dispc,
+                                enum omap_plane_id plane,
+                                enum omap_overlay_caps caps, u8 zorder)
 {
        if ((caps & OMAP_DSS_OVL_CAP_ZORDER) == 0)
                return;
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), zorder, 27, 26);
 }
 
-static void dispc_ovl_enable_zorder_planes(void)
+static void dispc_ovl_enable_zorder_planes(struct dispc_device *dispc)
 {
        int i;
 
-       if (!dispc_has_feature(FEAT_ALPHA_FREE_ZORDER))
+       if (!dispc_has_feature(dispc, FEAT_ALPHA_FREE_ZORDER))
                return;
 
-       for (i = 0; i < dispc_get_num_ovls(&dispc); i++)
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(i), 1, 25, 25);
+       for (i = 0; i < dispc_get_num_ovls(dispc); i++)
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(i), 1, 25, 25);
 }
 
-static void dispc_ovl_set_pre_mult_alpha(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, bool enable)
+static void dispc_ovl_set_pre_mult_alpha(struct dispc_device *dispc,
+                                        enum omap_plane_id plane,
+                                        enum omap_overlay_caps caps,
+                                        bool enable)
 {
        if ((caps & OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA) == 0)
                return;
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 28, 28);
 }
 
-static void dispc_ovl_setup_global_alpha(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, u8 global_alpha)
+static void dispc_ovl_setup_global_alpha(struct dispc_device *dispc,
+                                        enum omap_plane_id plane,
+                                        enum omap_overlay_caps caps,
+                                        u8 global_alpha)
 {
        static const unsigned int shifts[] = { 0, 8, 16, 24, };
        int shift;
@@ -985,20 +1017,23 @@ static void dispc_ovl_setup_global_alpha(enum omap_plane_id plane,
                return;
 
        shift = shifts[plane];
-       REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);
+       REG_FLD_MOD(dispc, DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);
 }
 
-static void dispc_ovl_set_pix_inc(enum omap_plane_id plane, s32 inc)
+static void dispc_ovl_set_pix_inc(struct dispc_device *dispc,
+                                 enum omap_plane_id plane, s32 inc)
 {
-       dispc_write_reg(DISPC_OVL_PIXEL_INC(plane), inc);
+       dispc_write_reg(dispc, DISPC_OVL_PIXEL_INC(plane), inc);
 }
 
-static void dispc_ovl_set_row_inc(enum omap_plane_id plane, s32 inc)
+static void dispc_ovl_set_row_inc(struct dispc_device *dispc,
+                                 enum omap_plane_id plane, s32 inc)
 {
-       dispc_write_reg(DISPC_OVL_ROW_INC(plane), inc);
+       dispc_write_reg(dispc, DISPC_OVL_ROW_INC(plane), inc);
 }
 
-static void dispc_ovl_set_color_mode(enum omap_plane_id plane, u32 fourcc)
+static void dispc_ovl_set_color_mode(struct dispc_device *dispc,
+                                    enum omap_plane_id plane, u32 fourcc)
 {
        u32 m = 0;
        if (plane != OMAP_DSS_GFX) {
@@ -1067,7 +1102,7 @@ static void dispc_ovl_set_color_mode(enum omap_plane_id plane, u32 fourcc)
                }
        }
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), m, 4, 1);
 }
 
 static bool format_is_yuv(u32 fourcc)
@@ -1082,19 +1117,21 @@ static bool format_is_yuv(u32 fourcc)
        }
 }
 
-static void dispc_ovl_configure_burst_type(enum omap_plane_id plane,
-               enum omap_dss_rotation_type rotation_type)
+static void dispc_ovl_configure_burst_type(struct dispc_device *dispc,
+                                          enum omap_plane_id plane,
+                                          enum omap_dss_rotation_type rotation)
 {
-       if (dispc_has_feature(FEAT_BURST_2D) == 0)
+       if (dispc_has_feature(dispc, FEAT_BURST_2D) == 0)
                return;
 
-       if (rotation_type == OMAP_DSS_ROT_TILER)
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 1, 29, 29);
+       if (rotation == OMAP_DSS_ROT_TILER)
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), 1, 29, 29);
        else
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 0, 29, 29);
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), 0, 29, 29);
 }
 
-static void dispc_ovl_set_channel_out(enum omap_plane_id plane,
+static void dispc_ovl_set_channel_out(struct dispc_device *dispc,
+                                     enum omap_plane_id plane,
                                      enum omap_channel channel)
 {
        int shift;
@@ -1115,8 +1152,8 @@ static void dispc_ovl_set_channel_out(enum omap_plane_id plane,
                return;
        }
 
-       val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
-       if (dispc_has_feature(FEAT_MGR_LCD2)) {
+       val = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane));
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2)) {
                switch (channel) {
                case OMAP_DSS_CHANNEL_LCD:
                        chan = 0;
@@ -1131,7 +1168,7 @@ static void dispc_ovl_set_channel_out(enum omap_plane_id plane,
                        chan2 = 1;
                        break;
                case OMAP_DSS_CHANNEL_LCD3:
-                       if (dispc_has_feature(FEAT_MGR_LCD3)) {
+                       if (dispc_has_feature(dispc, FEAT_MGR_LCD3)) {
                                chan = 0;
                                chan2 = 2;
                        } else {
@@ -1153,10 +1190,11 @@ static void dispc_ovl_set_channel_out(enum omap_plane_id plane,
        } else {
                val = FLD_MOD(val, channel, shift, shift);
        }
-       dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ATTRIBUTES(plane), val);
 }
 
-static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane_id plane)
+static enum omap_channel dispc_ovl_get_channel_out(struct dispc_device *dispc,
+                                                  enum omap_plane_id plane)
 {
        int shift;
        u32 val;
@@ -1175,12 +1213,12 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane_id plane)
                return 0;
        }
 
-       val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+       val = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane));
 
        if (FLD_GET(val, shift, shift) == 1)
                return OMAP_DSS_CHANNEL_DIGIT;
 
-       if (!dispc_has_feature(FEAT_MGR_LCD2))
+       if (!dispc_has_feature(dispc, FEAT_MGR_LCD2))
                return OMAP_DSS_CHANNEL_LCD;
 
        switch (FLD_GET(val, 31, 30)) {
@@ -1201,43 +1239,47 @@ void dispc_wb_set_channel_in(struct dispc_device *dispc,
 {
        enum omap_plane_id plane = OMAP_DSS_WB;
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
 }
 
-static void dispc_ovl_set_burst_size(enum omap_plane_id plane,
-               enum omap_burst_size burst_size)
+static void dispc_ovl_set_burst_size(struct dispc_device *dispc,
+                                    enum omap_plane_id plane,
+                                    enum omap_burst_size burst_size)
 {
        static const unsigned int shifts[] = { 6, 14, 14, 14, 14, };
        int shift;
 
        shift = shifts[plane];
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), burst_size, shift + 1, shift);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), burst_size,
+                   shift + 1, shift);
 }
 
-static void dispc_configure_burst_sizes(void)
+static void dispc_configure_burst_sizes(struct dispc_device *dispc)
 {
        int i;
        const int burst_size = BURST_SIZE_X8;
 
        /* Configure burst size always to maximum size */
-       for (i = 0; i < dispc_get_num_ovls(&dispc); ++i)
-               dispc_ovl_set_burst_size(i, burst_size);
-       if (dispc.feat->has_writeback)
-               dispc_ovl_set_burst_size(OMAP_DSS_WB, burst_size);
+       for (i = 0; i < dispc_get_num_ovls(dispc); ++i)
+               dispc_ovl_set_burst_size(dispc, i, burst_size);
+       if (dispc->feat->has_writeback)
+               dispc_ovl_set_burst_size(dispc, OMAP_DSS_WB, burst_size);
 }
 
-static u32 dispc_ovl_get_burst_size(enum omap_plane_id plane)
+static u32 dispc_ovl_get_burst_size(struct dispc_device *dispc,
+                                   enum omap_plane_id plane)
 {
        /* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */
-       return dispc.feat->burst_size_unit * 8;
+       return dispc->feat->burst_size_unit * 8;
 }
 
-static bool dispc_ovl_color_mode_supported(enum omap_plane_id plane, u32 fourcc)
+static bool dispc_ovl_color_mode_supported(struct dispc_device *dispc,
+                                          enum omap_plane_id plane, u32 fourcc)
 {
        const u32 *modes;
        unsigned int i;
 
-       modes = dispc.feat->supported_color_modes[plane];
+       modes = dispc->feat->supported_color_modes[plane];
 
        for (i = 0; modes[i]; ++i) {
                if (modes[i] == fourcc)
@@ -1253,16 +1295,18 @@ static const u32 *dispc_ovl_get_color_modes(struct dispc_device *dispc,
        return dispc->feat->supported_color_modes[plane];
 }
 
-static void dispc_mgr_enable_cpr(enum omap_channel channel, bool enable)
+static void dispc_mgr_enable_cpr(struct dispc_device *dispc,
+                                enum omap_channel channel, bool enable)
 {
        if (channel == OMAP_DSS_CHANNEL_DIGIT)
                return;
 
-       mgr_fld_write(channel, DISPC_MGR_FLD_CPR, enable);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_CPR, enable);
 }
 
-static void dispc_mgr_set_cpr_coef(enum omap_channel channel,
-               const struct omap_dss_cpr_coefs *coefs)
+static void dispc_mgr_set_cpr_coef(struct dispc_device *dispc,
+                                  enum omap_channel channel,
+                                  const struct omap_dss_cpr_coefs *coefs)
 {
        u32 coef_r, coef_g, coef_b;
 
@@ -1276,25 +1320,27 @@ static void dispc_mgr_set_cpr_coef(enum omap_channel channel,
        coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) |
                FLD_VAL(coefs->bb, 9, 0);
 
-       dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r);
-       dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g);
-       dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b);
+       dispc_write_reg(dispc, DISPC_CPR_COEF_R(channel), coef_r);
+       dispc_write_reg(dispc, DISPC_CPR_COEF_G(channel), coef_g);
+       dispc_write_reg(dispc, DISPC_CPR_COEF_B(channel), coef_b);
 }
 
-static void dispc_ovl_set_vid_color_conv(enum omap_plane_id plane,
-                                        bool enable)
+static void dispc_ovl_set_vid_color_conv(struct dispc_device *dispc,
+                                        enum omap_plane_id plane, bool enable)
 {
        u32 val;
 
        BUG_ON(plane == OMAP_DSS_GFX);
 
-       val = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+       val = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane));
        val = FLD_MOD(val, enable, 9, 9);
-       dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ATTRIBUTES(plane), val);
 }
 
-static void dispc_ovl_enable_replication(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, bool enable)
+static void dispc_ovl_enable_replication(struct dispc_device *dispc,
+                                        enum omap_plane_id plane,
+                                        enum omap_overlay_caps caps,
+                                        bool enable)
 {
        static const unsigned int shifts[] = { 5, 10, 10, 10 };
        int shift;
@@ -1303,21 +1349,21 @@ static void dispc_ovl_enable_replication(enum omap_plane_id plane,
                return;
 
        shift = shifts[plane];
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), enable, shift, shift);
 }
 
-static void dispc_mgr_set_size(enum omap_channel channel, u16 width,
-               u16 height)
+static void dispc_mgr_set_size(struct dispc_device *dispc,
+                              enum omap_channel channel, u16 width, u16 height)
 {
        u32 val;
 
-       val = FLD_VAL(height - 1, dispc.feat->mgr_height_start, 16) |
-               FLD_VAL(width - 1, dispc.feat->mgr_width_start, 0);
+       val = FLD_VAL(height - 1, dispc->feat->mgr_height_start, 16) |
+               FLD_VAL(width - 1, dispc->feat->mgr_width_start, 0);
 
-       dispc_write_reg(DISPC_SIZE_MGR(channel), val);
+       dispc_write_reg(dispc, DISPC_SIZE_MGR(channel), val);
 }
 
-static void dispc_init_fifos(void)
+static void dispc_init_fifos(struct dispc_device *dispc)
 {
        u32 size;
        int fifo;
@@ -1325,20 +1371,21 @@ static void dispc_init_fifos(void)
        u32 unit;
        int i;
 
-       unit = dispc.feat->buffer_size_unit;
+       unit = dispc->feat->buffer_size_unit;
 
-       dispc_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
+       dispc_get_reg_field(dispc, FEAT_REG_FIFOSIZE, &start, &end);
 
-       for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
-               size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(fifo), start, end);
+       for (fifo = 0; fifo < dispc->feat->num_fifos; ++fifo) {
+               size = REG_GET(dispc, DISPC_OVL_FIFO_SIZE_STATUS(fifo),
+                              start, end);
                size *= unit;
-               dispc.fifo_size[fifo] = size;
+               dispc->fifo_size[fifo] = size;
 
                /*
                 * By default fifos are mapped directly to overlays, fifo 0 to
                 * ovl 0, fifo 1 to ovl 1, etc.
                 */
-               dispc.fifo_assignment[fifo] = fifo;
+               dispc->fifo_assignment[fifo] = fifo;
        }
 
        /*
@@ -1348,57 +1395,58 @@ static void dispc_init_fifos(void)
         * giving GFX plane a larger fifo. WB but should work fine with a
         * smaller fifo.
         */
-       if (dispc.feat->gfx_fifo_workaround) {
+       if (dispc->feat->gfx_fifo_workaround) {
                u32 v;
 
-               v = dispc_read_reg(DISPC_GLOBAL_BUFFER);
+               v = dispc_read_reg(dispc, DISPC_GLOBAL_BUFFER);
 
                v = FLD_MOD(v, 4, 2, 0); /* GFX BUF top to WB */
                v = FLD_MOD(v, 4, 5, 3); /* GFX BUF bottom to WB */
                v = FLD_MOD(v, 0, 26, 24); /* WB BUF top to GFX */
                v = FLD_MOD(v, 0, 29, 27); /* WB BUF bottom to GFX */
 
-               dispc_write_reg(DISPC_GLOBAL_BUFFER, v);
+               dispc_write_reg(dispc, DISPC_GLOBAL_BUFFER, v);
 
-               dispc.fifo_assignment[OMAP_DSS_GFX] = OMAP_DSS_WB;
-               dispc.fifo_assignment[OMAP_DSS_WB] = OMAP_DSS_GFX;
+               dispc->fifo_assignment[OMAP_DSS_GFX] = OMAP_DSS_WB;
+               dispc->fifo_assignment[OMAP_DSS_WB] = OMAP_DSS_GFX;
        }
 
        /*
         * Setup default fifo thresholds.
         */
-       for (i = 0; i < dispc_get_num_ovls(&dispc); ++i) {
+       for (i = 0; i < dispc_get_num_ovls(dispc); ++i) {
                u32 low, high;
                const bool use_fifomerge = false;
                const bool manual_update = false;
 
-               dispc_ovl_compute_fifo_thresholds(&dispc, i, &low, &high,
-                       use_fifomerge, manual_update);
+               dispc_ovl_compute_fifo_thresholds(dispc, i, &low, &high,
+                                                 use_fifomerge, manual_update);
 
-               dispc_ovl_set_fifo_threshold(&dispc, i, low, high);
+               dispc_ovl_set_fifo_threshold(dispc, i, low, high);
        }
 
-       if (dispc.feat->has_writeback) {
+       if (dispc->feat->has_writeback) {
                u32 low, high;
                const bool use_fifomerge = false;
                const bool manual_update = false;
 
-               dispc_ovl_compute_fifo_thresholds(&dispc, OMAP_DSS_WB,
-                                                 &low, &high,
-                                                 use_fifomerge, manual_update);
+               dispc_ovl_compute_fifo_thresholds(dispc, OMAP_DSS_WB,
+                                                 &low, &high, use_fifomerge,
+                                                 manual_update);
 
-               dispc_ovl_set_fifo_threshold(&dispc, OMAP_DSS_WB, low, high);
+               dispc_ovl_set_fifo_threshold(dispc, OMAP_DSS_WB, low, high);
        }
 }
 
-static u32 dispc_ovl_get_fifo_size(enum omap_plane_id plane)
+static u32 dispc_ovl_get_fifo_size(struct dispc_device *dispc,
+                                  enum omap_plane_id plane)
 {
        int fifo;
        u32 size = 0;
 
-       for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
-               if (dispc.fifo_assignment[fifo] == plane)
-                       size += dispc.fifo_size[fifo];
+       for (fifo = 0; fifo < dispc->feat->num_fifos; ++fifo) {
+               if (dispc->fifo_assignment[fifo] == plane)
+                       size += dispc->fifo_size[fifo];
        }
 
        return size;
@@ -1419,18 +1467,20 @@ void dispc_ovl_set_fifo_threshold(struct dispc_device *dispc,
        low /= unit;
        high /= unit;
 
-       dispc_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end);
-       dispc_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end);
+       dispc_get_reg_field(dispc, FEAT_REG_FIFOHIGHTHRESHOLD,
+                           &hi_start, &hi_end);
+       dispc_get_reg_field(dispc, FEAT_REG_FIFOLOWTHRESHOLD,
+                           &lo_start, &lo_end);
 
        DSSDBG("fifo(%d) threshold (bytes), old %u/%u, new %u/%u\n",
                        plane,
-                       REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+                       REG_GET(dispc, DISPC_OVL_FIFO_THRESHOLD(plane),
                                lo_start, lo_end) * unit,
-                       REG_GET(DISPC_OVL_FIFO_THRESHOLD(plane),
+                       REG_GET(dispc, DISPC_OVL_FIFO_THRESHOLD(plane),
                                hi_start, hi_end) * unit,
                        low * unit, high * unit);
 
-       dispc_write_reg(DISPC_OVL_FIFO_THRESHOLD(plane),
+       dispc_write_reg(dispc, DISPC_OVL_FIFO_THRESHOLD(plane),
                        FLD_VAL(high, hi_start, hi_end) |
                        FLD_VAL(low, lo_start, lo_end));
 
@@ -1439,20 +1489,21 @@ void dispc_ovl_set_fifo_threshold(struct dispc_device *dispc,
         * large for the preload field, set the threshold to the maximum value
         * that can be held by the preload register
         */
-       if (dispc_has_feature(FEAT_PRELOAD) && dispc->feat->set_max_preload &&
-                       plane != OMAP_DSS_WB)
-               dispc_write_reg(DISPC_OVL_PRELOAD(plane), min(high, 0xfffu));
+       if (dispc_has_feature(dispc, FEAT_PRELOAD) &&
+           dispc->feat->set_max_preload && plane != OMAP_DSS_WB)
+               dispc_write_reg(dispc, DISPC_OVL_PRELOAD(plane),
+                               min(high, 0xfffu));
 }
 
 void dispc_enable_fifomerge(struct dispc_device *dispc, bool enable)
 {
-       if (!dispc_has_feature(FEAT_FIFO_MERGE)) {
+       if (!dispc_has_feature(dispc, FEAT_FIFO_MERGE)) {
                WARN_ON(enable);
                return;
        }
 
        DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled");
-       REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14);
+       REG_FLD_MOD(dispc, DISPC_CONFIG, enable ? 1 : 0, 14, 14);
 }
 
 void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc,
@@ -1468,13 +1519,13 @@ void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc,
        unsigned int ovl_fifo_size, total_fifo_size, burst_size;
        int i;
 
-       burst_size = dispc_ovl_get_burst_size(plane);
-       ovl_fifo_size = dispc_ovl_get_fifo_size(plane);
+       burst_size = dispc_ovl_get_burst_size(dispc, plane);
+       ovl_fifo_size = dispc_ovl_get_fifo_size(dispc, plane);
 
        if (use_fifomerge) {
                total_fifo_size = 0;
                for (i = 0; i < dispc_get_num_ovls(dispc); ++i)
-                       total_fifo_size += dispc_ovl_get_fifo_size(i);
+                       total_fifo_size += dispc_ovl_get_fifo_size(dispc, i);
        } else {
                total_fifo_size = ovl_fifo_size;
        }
@@ -1485,7 +1536,7 @@ void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc,
         * combined fifo size
         */
 
-       if (manual_update && dispc_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) {
+       if (manual_update && dispc_has_feature(dispc, FEAT_OMAP3_DSI_FIFO_BUG)) {
                *fifo_low = ovl_fifo_size - burst_size * 2;
                *fifo_high = total_fifo_size - burst_size;
        } else if (plane == OMAP_DSS_WB) {
@@ -1502,7 +1553,8 @@ void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc,
        }
 }
 
-static void dispc_ovl_set_mflag(enum omap_plane_id plane, bool enable)
+static void dispc_ovl_set_mflag(struct dispc_device *dispc,
+                               enum omap_plane_id plane, bool enable)
 {
        int bit;
 
@@ -1511,17 +1563,18 @@ static void dispc_ovl_set_mflag(enum omap_plane_id plane, bool enable)
        else
                bit = 23;
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable, bit, bit);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), enable, bit, bit);
 }
 
-static void dispc_ovl_set_mflag_threshold(enum omap_plane_id plane,
-       int low, int high)
+static void dispc_ovl_set_mflag_threshold(struct dispc_device *dispc,
+                                         enum omap_plane_id plane,
+                                         int low, int high)
 {
-       dispc_write_reg(DISPC_OVL_MFLAG_THRESHOLD(plane),
+       dispc_write_reg(dispc, DISPC_OVL_MFLAG_THRESHOLD(plane),
                FLD_VAL(high, 31, 16) | FLD_VAL(low, 15, 0));
 }
 
-static void dispc_init_mflag(void)
+static void dispc_init_mflag(struct dispc_device *dispc)
 {
        int i;
 
@@ -1535,16 +1588,16 @@ static void dispc_init_mflag(void)
         *
         * As a work-around, set force MFLAG to always on.
         */
-       dispc_write_reg(DISPC_GLOBAL_MFLAG_ATTRIBUTE,
+       dispc_write_reg(dispc, DISPC_GLOBAL_MFLAG_ATTRIBUTE,
                (1 << 0) |      /* MFLAG_CTRL = force always on */
                (0 << 2));      /* MFLAG_START = disable */
 
-       for (i = 0; i < dispc_get_num_ovls(&dispc); ++i) {
-               u32 size = dispc_ovl_get_fifo_size(i);
-               u32 unit = dispc.feat->buffer_size_unit;
+       for (i = 0; i < dispc_get_num_ovls(dispc); ++i) {
+               u32 size = dispc_ovl_get_fifo_size(dispc, i);
+               u32 unit = dispc->feat->buffer_size_unit;
                u32 low, high;
 
-               dispc_ovl_set_mflag(i, true);
+               dispc_ovl_set_mflag(dispc, i, true);
 
                /*
                 * Simulation team suggests below thesholds:
@@ -1555,15 +1608,15 @@ static void dispc_init_mflag(void)
                low = size * 4 / 8 / unit;
                high = size * 5 / 8 / unit;
 
-               dispc_ovl_set_mflag_threshold(i, low, high);
+               dispc_ovl_set_mflag_threshold(dispc, i, low, high);
        }
 
-       if (dispc.feat->has_writeback) {
-               u32 size = dispc_ovl_get_fifo_size(OMAP_DSS_WB);
-               u32 unit = dispc.feat->buffer_size_unit;
+       if (dispc->feat->has_writeback) {
+               u32 size = dispc_ovl_get_fifo_size(dispc, OMAP_DSS_WB);
+               u32 unit = dispc->feat->buffer_size_unit;
                u32 low, high;
 
-               dispc_ovl_set_mflag(OMAP_DSS_WB, true);
+               dispc_ovl_set_mflag(dispc, OMAP_DSS_WB, true);
 
                /*
                 * Simulation team suggests below thesholds:
@@ -1574,98 +1627,112 @@ static void dispc_init_mflag(void)
                low = size * 4 / 8 / unit;
                high = size * 5 / 8 / unit;
 
-               dispc_ovl_set_mflag_threshold(OMAP_DSS_WB, low, high);
+               dispc_ovl_set_mflag_threshold(dispc, OMAP_DSS_WB, low, high);
        }
 }
 
-static void dispc_ovl_set_fir(enum omap_plane_id plane,
-                               int hinc, int vinc,
-                               enum omap_color_component color_comp)
+static void dispc_ovl_set_fir(struct dispc_device *dispc,
+                             enum omap_plane_id plane,
+                             int hinc, int vinc,
+                             enum omap_color_component color_comp)
 {
        u32 val;
 
        if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
                u8 hinc_start, hinc_end, vinc_start, vinc_end;
 
-               dispc_get_reg_field(FEAT_REG_FIRHINC, &hinc_start, &hinc_end);
-               dispc_get_reg_field(FEAT_REG_FIRVINC, &vinc_start, &vinc_end);
+               dispc_get_reg_field(dispc, FEAT_REG_FIRHINC,
+                                   &hinc_start, &hinc_end);
+               dispc_get_reg_field(dispc, FEAT_REG_FIRVINC,
+                                   &vinc_start, &vinc_end);
                val = FLD_VAL(vinc, vinc_start, vinc_end) |
                                FLD_VAL(hinc, hinc_start, hinc_end);
 
-               dispc_write_reg(DISPC_OVL_FIR(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_FIR(plane), val);
        } else {
                val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0);
-               dispc_write_reg(DISPC_OVL_FIR2(plane), val);
+               dispc_write_reg(dispc, DISPC_OVL_FIR2(plane), val);
        }
 }
 
-static void dispc_ovl_set_vid_accu0(enum omap_plane_id plane, int haccu,
+static void dispc_ovl_set_vid_accu0(struct dispc_device *dispc,
+                                   enum omap_plane_id plane, int haccu,
                                    int vaccu)
 {
        u32 val;
        u8 hor_start, hor_end, vert_start, vert_end;
 
-       dispc_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
-       dispc_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+       dispc_get_reg_field(dispc, FEAT_REG_HORIZONTALACCU,
+                           &hor_start, &hor_end);
+       dispc_get_reg_field(dispc, FEAT_REG_VERTICALACCU,
+                           &vert_start, &vert_end);
 
        val = FLD_VAL(vaccu, vert_start, vert_end) |
                        FLD_VAL(haccu, hor_start, hor_end);
 
-       dispc_write_reg(DISPC_OVL_ACCU0(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ACCU0(plane), val);
 }
 
-static void dispc_ovl_set_vid_accu1(enum omap_plane_id plane, int haccu,
+static void dispc_ovl_set_vid_accu1(struct dispc_device *dispc,
+                                   enum omap_plane_id plane, int haccu,
                                    int vaccu)
 {
        u32 val;
        u8 hor_start, hor_end, vert_start, vert_end;
 
-       dispc_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
-       dispc_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+       dispc_get_reg_field(dispc, FEAT_REG_HORIZONTALACCU,
+                           &hor_start, &hor_end);
+       dispc_get_reg_field(dispc, FEAT_REG_VERTICALACCU,
+                           &vert_start, &vert_end);
 
        val = FLD_VAL(vaccu, vert_start, vert_end) |
                        FLD_VAL(haccu, hor_start, hor_end);
 
-       dispc_write_reg(DISPC_OVL_ACCU1(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ACCU1(plane), val);
 }
 
-static void dispc_ovl_set_vid_accu2_0(enum omap_plane_id plane, int haccu,
-               int vaccu)
+static void dispc_ovl_set_vid_accu2_0(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int haccu,
+                                     int vaccu)
 {
        u32 val;
 
        val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
-       dispc_write_reg(DISPC_OVL_ACCU2_0(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ACCU2_0(plane), val);
 }
 
-static void dispc_ovl_set_vid_accu2_1(enum omap_plane_id plane, int haccu,
-               int vaccu)
+static void dispc_ovl_set_vid_accu2_1(struct dispc_device *dispc,
+                                     enum omap_plane_id plane, int haccu,
+                                     int vaccu)
 {
        u32 val;
 
        val = FLD_VAL(vaccu, 26, 16) | FLD_VAL(haccu, 10, 0);
-       dispc_write_reg(DISPC_OVL_ACCU2_1(plane), val);
+       dispc_write_reg(dispc, DISPC_OVL_ACCU2_1(plane), val);
 }
 
-static void dispc_ovl_set_scale_param(enum omap_plane_id plane,
-               u16 orig_width, u16 orig_height,
-               u16 out_width, u16 out_height,
-               bool five_taps, u8 rotation,
-               enum omap_color_component color_comp)
+static void dispc_ovl_set_scale_param(struct dispc_device *dispc,
+                                     enum omap_plane_id plane,
+                                     u16 orig_width, u16 orig_height,
+                                     u16 out_width, u16 out_height,
+                                     bool five_taps, u8 rotation,
+                                     enum omap_color_component color_comp)
 {
        int fir_hinc, fir_vinc;
 
        fir_hinc = 1024 * orig_width / out_width;
        fir_vinc = 1024 * orig_height / out_height;
 
-       dispc_ovl_set_scale_coef(plane, fir_hinc, fir_vinc, five_taps,
-                               color_comp);
-       dispc_ovl_set_fir(plane, fir_hinc, fir_vinc, color_comp);
+       dispc_ovl_set_scale_coef(dispc, plane, fir_hinc, fir_vinc, five_taps,
+                                color_comp);
+       dispc_ovl_set_fir(dispc, plane, fir_hinc, fir_vinc, color_comp);
 }
 
-static void dispc_ovl_set_accu_uv(enum omap_plane_id plane,
-               u16 orig_width, u16 orig_height, u16 out_width, u16 out_height,
-               bool ilace, u32 fourcc, u8 rotation)
+static void dispc_ovl_set_accu_uv(struct dispc_device *dispc,
+                                 enum omap_plane_id plane,
+                                 u16 orig_width, u16 orig_height,
+                                 u16 out_width, u16 out_height,
+                                 bool ilace, u32 fourcc, u8 rotation)
 {
        int h_accu2_0, h_accu2_1;
        int v_accu2_0, v_accu2_1;
@@ -1746,25 +1813,26 @@ static void dispc_ovl_set_accu_uv(enum omap_plane_id plane,
        v_accu2_0 = (accu_val->v0_m * chroma_vinc / accu_val->v0_n) % 1024;
        v_accu2_1 = (accu_val->v1_m * chroma_vinc / accu_val->v1_n) % 1024;
 
-       dispc_ovl_set_vid_accu2_0(plane, h_accu2_0, v_accu2_0);
-       dispc_ovl_set_vid_accu2_1(plane, h_accu2_1, v_accu2_1);
+       dispc_ovl_set_vid_accu2_0(dispc, plane, h_accu2_0, v_accu2_0);
+       dispc_ovl_set_vid_accu2_1(dispc, plane, h_accu2_1, v_accu2_1);
 }
 
-static void dispc_ovl_set_scaling_common(enum omap_plane_id plane,
-               u16 orig_width, u16 orig_height,
-               u16 out_width, u16 out_height,
-               bool ilace, bool five_taps,
-               bool fieldmode, u32 fourcc,
-               u8 rotation)
+static void dispc_ovl_set_scaling_common(struct dispc_device *dispc,
+                                        enum omap_plane_id plane,
+                                        u16 orig_width, u16 orig_height,
+                                        u16 out_width, u16 out_height,
+                                        bool ilace, bool five_taps,
+                                        bool fieldmode, u32 fourcc,
+                                        u8 rotation)
 {
        int accu0 = 0;
        int accu1 = 0;
        u32 l;
 
-       dispc_ovl_set_scale_param(plane, orig_width, orig_height,
-                               out_width, out_height, five_taps,
-                               rotation, DISPC_COLOR_COMPONENT_RGB_Y);
-       l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+       dispc_ovl_set_scale_param(dispc, plane, orig_width, orig_height,
+                                 out_width, out_height, five_taps,
+                                 rotation, DISPC_COLOR_COMPONENT_RGB_Y);
+       l = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane));
 
        /* RESIZEENABLE and VERTICALTAPS */
        l &= ~((0x3 << 5) | (0x1 << 21));
@@ -1773,19 +1841,19 @@ static void dispc_ovl_set_scaling_common(enum omap_plane_id plane,
        l |= five_taps ? (1 << 21) : 0;
 
        /* VRESIZECONF and HRESIZECONF */
-       if (dispc_has_feature(FEAT_RESIZECONF)) {
+       if (dispc_has_feature(dispc, FEAT_RESIZECONF)) {
                l &= ~(0x3 << 7);
                l |= (orig_width <= out_width) ? 0 : (1 << 7);
                l |= (orig_height <= out_height) ? 0 : (1 << 8);
        }
 
        /* LINEBUFFERSPLIT */
-       if (dispc_has_feature(FEAT_LINEBUFFERSPLIT)) {
+       if (dispc_has_feature(dispc, FEAT_LINEBUFFERSPLIT)) {
                l &= ~(0x1 << 22);
                l |= five_taps ? (1 << 22) : 0;
        }
 
-       dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
+       dispc_write_reg(dispc, DISPC_OVL_ATTRIBUTES(plane), l);
 
        /*
         * field 0 = even field = bottom field
@@ -1800,33 +1868,35 @@ static void dispc_ovl_set_scaling_common(enum omap_plane_id plane,
                }
        }
 
-       dispc_ovl_set_vid_accu0(plane, 0, accu0);
-       dispc_ovl_set_vid_accu1(plane, 0, accu1);
+       dispc_ovl_set_vid_accu0(dispc, plane, 0, accu0);
+       dispc_ovl_set_vid_accu1(dispc, plane, 0, accu1);
 }
 
-static void dispc_ovl_set_scaling_uv(enum omap_plane_id plane,
-               u16 orig_width, u16 orig_height,
-               u16 out_width, u16 out_height,
-               bool ilace, bool five_taps,
-               bool fieldmode, u32 fourcc,
-               u8 rotation)
+static void dispc_ovl_set_scaling_uv(struct dispc_device *dispc,
+                                    enum omap_plane_id plane,
+                                    u16 orig_width, u16 orig_height,
+                                    u16 out_width, u16 out_height,
+                                    bool ilace, bool five_taps,
+                                    bool fieldmode, u32 fourcc,
+                                    u8 rotation)
 {
        int scale_x = out_width != orig_width;
        int scale_y = out_height != orig_height;
        bool chroma_upscale = plane != OMAP_DSS_WB;
 
-       if (!dispc_has_feature(FEAT_HANDLE_UV_SEPARATE))
+       if (!dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE))
                return;
 
        if (!format_is_yuv(fourcc)) {
                /* reset chroma resampling for RGB formats  */
                if (plane != OMAP_DSS_WB)
-                       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 8, 8);
+                       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane),
+                                   0, 8, 8);
                return;
        }
 
-       dispc_ovl_set_accu_uv(plane, orig_width, orig_height, out_width,
-                       out_height, ilace, fourcc, rotation);
+       dispc_ovl_set_accu_uv(dispc, plane, orig_width, orig_height, out_width,
+                             out_height, ilace, fourcc, rotation);
 
        switch (fourcc) {
        case DRM_FORMAT_NV12:
@@ -1868,46 +1938,43 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane_id plane,
        if (out_height != orig_height)
                scale_y = true;
 
-       dispc_ovl_set_scale_param(plane, orig_width, orig_height,
-                       out_width, out_height, five_taps,
-                               rotation, DISPC_COLOR_COMPONENT_UV);
+       dispc_ovl_set_scale_param(dispc, plane, orig_width, orig_height,
+                                 out_width, out_height, five_taps,
+                                 rotation, DISPC_COLOR_COMPONENT_UV);
 
        if (plane != OMAP_DSS_WB)
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane),
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane),
                        (scale_x || scale_y) ? 1 : 0, 8, 8);
 
        /* set H scaling */
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), scale_x ? 1 : 0, 5, 5);
        /* set V scaling */
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), scale_y ? 1 : 0, 6, 6);
 }
 
-static void dispc_ovl_set_scaling(enum omap_plane_id plane,
-               u16 orig_width, u16 orig_height,
-               u16 out_width, u16 out_height,
-               bool ilace, bool five_taps,
-               bool fieldmode, u32 fourcc,
-               u8 rotation)
+static void dispc_ovl_set_scaling(struct dispc_device *dispc,
+                                 enum omap_plane_id plane,
+                                 u16 orig_width, u16 orig_height,
+                                 u16 out_width, u16 out_height,
+                                 bool ilace, bool five_taps,
+                                 bool fieldmode, u32 fourcc,
+                                 u8 rotation)
 {
        BUG_ON(plane == OMAP_DSS_GFX);
 
-       dispc_ovl_set_scaling_common(plane,
-                       orig_width, orig_height,
-                       out_width, out_height,
-                       ilace, five_taps,
-                       fieldmode, fourcc,
-                       rotation);
+       dispc_ovl_set_scaling_common(dispc, plane, orig_width, orig_height,
+                                    out_width, out_height, ilace, five_taps,
+                                    fieldmode, fourcc, rotation);
 
-       dispc_ovl_set_scaling_uv(plane,
-               orig_width, orig_height,
-               out_width, out_height,
-               ilace, five_taps,
-               fieldmode, fourcc,
-               rotation);
+       dispc_ovl_set_scaling_uv(dispc, plane, orig_width, orig_height,
+                                out_width, out_height, ilace, five_taps,
+                                fieldmode, fourcc, rotation);
 }
 
-static void dispc_ovl_set_rotation_attrs(enum omap_plane_id plane, u8 rotation,
-               enum omap_dss_rotation_type rotation_type, u32 fourcc)
+static void dispc_ovl_set_rotation_attrs(struct dispc_device *dispc,
+                                        enum omap_plane_id plane, u8 rotation,
+                                        enum omap_dss_rotation_type rotation_type,
+                                        u32 fourcc)
 {
        bool row_repeat = false;
        int vidrot = 0;
@@ -1961,19 +2028,20 @@ static void dispc_ovl_set_rotation_attrs(enum omap_plane_id plane, u8 rotation,
        if (fourcc == DRM_FORMAT_NV12 && rotation_type != OMAP_DSS_ROT_TILER)
                vidrot = 1;
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
-       if (dispc_has_feature(FEAT_ROWREPEATENABLE))
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
+       if (dispc_has_feature(dispc, FEAT_ROWREPEATENABLE))
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane),
                        row_repeat ? 1 : 0, 18, 18);
 
-       if (dispc_ovl_color_mode_supported(plane, DRM_FORMAT_NV12)) {
+       if (dispc_ovl_color_mode_supported(dispc, plane, DRM_FORMAT_NV12)) {
                bool doublestride =
                        fourcc == DRM_FORMAT_NV12 &&
                        rotation_type == OMAP_DSS_ROT_TILER &&
                        !drm_rotation_90_or_270(rotation);
 
                /* DOUBLESTRIDE */
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), doublestride, 22, 22);
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane),
+                           doublestride, 22, 22);
        }
 }
 
@@ -2210,27 +2278,31 @@ static unsigned long calc_core_clk_44xx(unsigned long pclk, u16 width,
                return pclk;
 }
 
-static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk,
-               const struct videomode *vm,
-               u16 width, u16 height, u16 out_width, u16 out_height,
-               u32 fourcc, bool *five_taps,
-               int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
-               u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+static int dispc_ovl_calc_scaling_24xx(struct dispc_device *dispc,
+                                      unsigned long pclk, unsigned long lclk,
+                                      const struct videomode *vm,
+                                      u16 width, u16 height,
+                                      u16 out_width, u16 out_height,
+                                      u32 fourcc, bool *five_taps,
+                                      int *x_predecim, int *y_predecim,
+                                      int *decim_x, int *decim_y,
+                                      u16 pos_x, unsigned long *core_clk,
+                                      bool mem_to_mem)
 {
        int error;
        u16 in_width, in_height;
        int min_factor = min(*decim_x, *decim_y);
-       const int maxsinglelinewidth = dispc.feat->max_line_width;
+       const int maxsinglelinewidth = dispc->feat->max_line_width;
 
        *five_taps = false;
 
        do {
                in_height = height / *decim_y;
                in_width = width / *decim_x;
-               *core_clk = dispc.feat->calc_core_clk(pclk, in_width,
+               *core_clk = dispc->feat->calc_core_clk(pclk, in_width,
                                in_height, out_width, out_height, mem_to_mem);
                error = (in_width > maxsinglelinewidth || !*core_clk ||
-                       *core_clk > dispc_core_clk_rate());
+                       *core_clk > dispc_core_clk_rate(dispc));
                if (error) {
                        if (*decim_x == *decim_y) {
                                *decim_x = min_factor;
@@ -2255,16 +2327,20 @@ static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk,
        return 0;
 }
 
-static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk,
-               const struct videomode *vm,
-               u16 width, u16 height, u16 out_width, u16 out_height,
-               u32 fourcc, bool *five_taps,
-               int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
-               u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+static int dispc_ovl_calc_scaling_34xx(struct dispc_device *dispc,
+                                      unsigned long pclk, unsigned long lclk,
+                                      const struct videomode *vm,
+                                      u16 width, u16 height,
+                                      u16 out_width, u16 out_height,
+                                      u32 fourcc, bool *five_taps,
+                                      int *x_predecim, int *y_predecim,
+                                      int *decim_x, int *decim_y,
+                                      u16 pos_x, unsigned long *core_clk,
+                                      bool mem_to_mem)
 {
        int error;
        u16 in_width, in_height;
-       const int maxsinglelinewidth = dispc.feat->max_line_width;
+       const int maxsinglelinewidth = dispc->feat->max_line_width;
 
        do {
                in_height = height / *decim_y;
@@ -2281,7 +2357,7 @@ again:
                                                in_width, in_height, out_width,
                                                out_height, fourcc);
                else
-                       *core_clk = dispc.feat->calc_core_clk(pclk, in_width,
+                       *core_clk = dispc->feat->calc_core_clk(pclk, in_width,
                                        in_height, out_width, out_height,
                                        mem_to_mem);
 
@@ -2295,7 +2371,7 @@ again:
 
                error = (error || in_width > maxsinglelinewidth * 2 ||
                        (in_width > maxsinglelinewidth && *five_taps) ||
-                       !*core_clk || *core_clk > dispc_core_clk_rate());
+                       !*core_clk || *core_clk > dispc_core_clk_rate(dispc));
 
                if (!error) {
                        /* verify that we're inside the limits of scaler */
@@ -2339,24 +2415,28 @@ again:
        return 0;
 }
 
-static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
-               const struct videomode *vm,
-               u16 width, u16 height, u16 out_width, u16 out_height,
-               u32 fourcc, bool *five_taps,
-               int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
-               u16 pos_x, unsigned long *core_clk, bool mem_to_mem)
+static int dispc_ovl_calc_scaling_44xx(struct dispc_device *dispc,
+                                      unsigned long pclk, unsigned long lclk,
+                                      const struct videomode *vm,
+                                      u16 width, u16 height,
+                                      u16 out_width, u16 out_height,
+                                      u32 fourcc, bool *five_taps,
+                                      int *x_predecim, int *y_predecim,
+                                      int *decim_x, int *decim_y,
+                                      u16 pos_x, unsigned long *core_clk,
+                                      bool mem_to_mem)
 {
        u16 in_width, in_width_max;
        int decim_x_min = *decim_x;
        u16 in_height = height / *decim_y;
-       const int maxsinglelinewidth = dispc.feat->max_line_width;
-       const int maxdownscale = dispc.feat->max_downscale;
+       const int maxsinglelinewidth = dispc->feat->max_line_width;
+       const int maxdownscale = dispc->feat->max_downscale;
 
        if (mem_to_mem) {
                in_width_max = out_width * maxdownscale;
        } else {
-               in_width_max = dispc_core_clk_rate() /
-                                       DIV_ROUND_UP(pclk, out_width);
+               in_width_max = dispc_core_clk_rate(dispc)
+                            / DIV_ROUND_UP(pclk, out_width);
        }
 
        *decim_x = DIV_ROUND_UP(width, in_width_max);
@@ -2394,7 +2474,7 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
                return -EINVAL;
        }
 
-       *core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height,
+       *core_clk = dispc->feat->calc_core_clk(pclk, in_width, in_height,
                                out_width, out_height, mem_to_mem);
        return 0;
 }
@@ -2402,15 +2482,18 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
 #define DIV_FRAC(dividend, divisor) \
        ((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100))
 
-static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
-               enum omap_overlay_caps caps,
-               const struct videomode *vm,
-               u16 width, u16 height, u16 out_width, u16 out_height,
-               u32 fourcc, bool *five_taps,
-               int *x_predecim, int *y_predecim, u16 pos_x,
-               enum omap_dss_rotation_type rotation_type, bool mem_to_mem)
-{
-       const int maxdownscale = dispc.feat->max_downscale;
+static int dispc_ovl_calc_scaling(struct dispc_device *dispc,
+                                 unsigned long pclk, unsigned long lclk,
+                                 enum omap_overlay_caps caps,
+                                 const struct videomode *vm,
+                                 u16 width, u16 height,
+                                 u16 out_width, u16 out_height,
+                                 u32 fourcc, bool *five_taps,
+                                 int *x_predecim, int *y_predecim, u16 pos_x,
+                                 enum omap_dss_rotation_type rotation_type,
+                                 bool mem_to_mem)
+{
+       const int maxdownscale = dispc->feat->max_downscale;
        const int max_decim_limit = 16;
        unsigned long core_clk = 0;
        int decim_x, decim_y, ret;
@@ -2431,7 +2514,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
        } else {
                *x_predecim = max_decim_limit;
                *y_predecim = (rotation_type == OMAP_DSS_ROT_TILER &&
-                               dispc_has_feature(FEAT_BURST_2D)) ?
+                               dispc_has_feature(dispc, FEAT_BURST_2D)) ?
                                2 : max_decim_limit;
        }
 
@@ -2444,10 +2527,11 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
        if (decim_y > *y_predecim || out_height > height * 8)
                return -EINVAL;
 
-       ret = dispc.feat->calc_scaling(pclk, lclk, vm, width, height,
-               out_width, out_height, fourcc, five_taps,
-               x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk,
-               mem_to_mem);
+       ret = dispc->feat->calc_scaling(dispc, pclk, lclk, vm, width, height,
+                                       out_width, out_height, fourcc,
+                                       five_taps, x_predecim, y_predecim,
+                                       &decim_x, &decim_y, pos_x, &core_clk,
+                                       mem_to_mem);
        if (ret)
                return ret;
 
@@ -2463,13 +2547,13 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
                out_height / (height / decim_y), DIV_FRAC(out_height, height / decim_y),
 
                *five_taps ? 5 : 3,
-               core_clk, dispc_core_clk_rate());
+               core_clk, dispc_core_clk_rate(dispc));
 
-       if (!core_clk || core_clk > dispc_core_clk_rate()) {
+       if (!core_clk || core_clk > dispc_core_clk_rate(dispc)) {
                DSSERR("failed to set up scaling, "
                        "required core clk rate = %lu Hz, "
                        "current core clk rate = %lu Hz\n",
-                       core_clk, dispc_core_clk_rate());
+                       core_clk, dispc_core_clk_rate(dispc));
                return -EINVAL;
        }
 
@@ -2478,14 +2562,18 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
        return 0;
 }
 
-static int dispc_ovl_setup_common(enum omap_plane_id plane,
-               enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr,
-               u16 screen_width, int pos_x, int pos_y, u16 width, u16 height,
-               u16 out_width, u16 out_height, u32 fourcc,
-               u8 rotation, u8 zorder, u8 pre_mult_alpha,
-               u8 global_alpha, enum omap_dss_rotation_type rotation_type,
-               bool replication, const struct videomode *vm,
-               bool mem_to_mem)
+static int dispc_ovl_setup_common(struct dispc_device *dispc,
+                                 enum omap_plane_id plane,
+                                 enum omap_overlay_caps caps,
+                                 u32 paddr, u32 p_uv_addr,
+                                 u16 screen_width, int pos_x, int pos_y,
+                                 u16 width, u16 height,
+                                 u16 out_width, u16 out_height,
+                                 u32 fourcc, u8 rotation, u8 zorder,
+                                 u8 pre_mult_alpha, u8 global_alpha,
+                                 enum omap_dss_rotation_type rotation_type,
+                                 bool replication, const struct videomode *vm,
+                                 bool mem_to_mem)
 {
        bool five_taps = true;
        bool fieldmode = false;
@@ -2499,8 +2587,8 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
        u16 in_width = width;
        int x_predecim = 1, y_predecim = 1;
        bool ilace = !!(vm->flags & DISPLAY_FLAGS_INTERLACED);
-       unsigned long pclk = dispc_plane_pclk_rate(plane);
-       unsigned long lclk = dispc_plane_lclk_rate(plane);
+       unsigned long pclk = dispc_plane_pclk_rate(dispc, plane);
+       unsigned long lclk = dispc_plane_lclk_rate(dispc, plane);
 
        if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER)
                return -EINVAL;
@@ -2527,13 +2615,13 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
                        out_height);
        }
 
-       if (!dispc_ovl_color_mode_supported(plane, fourcc))
+       if (!dispc_ovl_color_mode_supported(dispc, plane, fourcc))
                return -EINVAL;
 
-       r = dispc_ovl_calc_scaling(pclk, lclk, caps, vm, in_width,
-                       in_height, out_width, out_height, fourcc,
-                       &five_taps, &x_predecim, &y_predecim, pos_x,
-                       rotation_type, mem_to_mem);
+       r = dispc_ovl_calc_scaling(dispc, pclk, lclk, caps, vm, in_width,
+                                  in_height, out_width, out_height, fourcc,
+                                  &five_taps, &x_predecim, &y_predecim, pos_x,
+                                  rotation_type, mem_to_mem);
        if (r)
                return r;
 
@@ -2595,49 +2683,50 @@ static int dispc_ovl_setup_common(enum omap_plane_id plane,
        DSSDBG("offset0 %u, offset1 %u, row_inc %d, pix_inc %d\n",
                        offset0, offset1, row_inc, pix_inc);
 
-       dispc_ovl_set_color_mode(plane, fourcc);
+       dispc_ovl_set_color_mode(dispc, plane, fourcc);
 
-       dispc_ovl_configure_burst_type(plane, rotation_type);
+       dispc_ovl_configure_burst_type(dispc, plane, rotation_type);
 
-       if (dispc.feat->reverse_ilace_field_order)
+       if (dispc->feat->reverse_ilace_field_order)
                swap(offset0, offset1);
 
-       dispc_ovl_set_ba0(plane, paddr + offset0);
-       dispc_ovl_set_ba1(plane, paddr + offset1);
+       dispc_ovl_set_ba0(dispc, plane, paddr + offset0);
+       dispc_ovl_set_ba1(dispc, plane, paddr + offset1);
 
        if (fourcc == DRM_FORMAT_NV12) {
-               dispc_ovl_set_ba0_uv(plane, p_uv_addr + offset0);
-               dispc_ovl_set_ba1_uv(plane, p_uv_addr + offset1);
+               dispc_ovl_set_ba0_uv(dispc, plane, p_uv_addr + offset0);
+               dispc_ovl_set_ba1_uv(dispc, plane, p_uv_addr + offset1);
        }
 
-       if (dispc.feat->last_pixel_inc_missing)
+       if (dispc->feat->last_pixel_inc_missing)
                row_inc += pix_inc - 1;
 
-       dispc_ovl_set_row_inc(plane, row_inc);
-       dispc_ovl_set_pix_inc(plane, pix_inc);
+       dispc_ovl_set_row_inc(dispc, plane, row_inc);
+       dispc_ovl_set_pix_inc(dispc, plane, pix_inc);
 
        DSSDBG("%d,%d %dx%d -> %dx%d\n", pos_x, pos_y, in_width,
                        in_height, out_width, out_height);
 
-       dispc_ovl_set_pos(plane, caps, pos_x, pos_y);
+       dispc_ovl_set_pos(dispc, plane, caps, pos_x, pos_y);
 
-       dispc_ovl_set_input_size(plane, in_width, in_height);
+       dispc_ovl_set_input_size(dispc, plane, in_width, in_height);
 
        if (caps & OMAP_DSS_OVL_CAP_SCALE) {
-               dispc_ovl_set_scaling(plane, in_width, in_height, out_width,
-                                  out_height, ilace, five_taps, fieldmode,
-                                  fourcc, rotation);
-               dispc_ovl_set_output_size(plane, out_width, out_height);
-               dispc_ovl_set_vid_color_conv(plane, cconv);
+               dispc_ovl_set_scaling(dispc, plane, in_width, in_height,
+                                     out_width, out_height, ilace, five_taps,
+                                     fieldmode, fourcc, rotation);
+               dispc_ovl_set_output_size(dispc, plane, out_width, out_height);
+               dispc_ovl_set_vid_color_conv(dispc, plane, cconv);
        }
 
-       dispc_ovl_set_rotation_attrs(plane, rotation, rotation_type, fourcc);
+       dispc_ovl_set_rotation_attrs(dispc, plane, rotation, rotation_type,
+                                    fourcc);
 
-       dispc_ovl_set_zorder(plane, caps, zorder);
-       dispc_ovl_set_pre_mult_alpha(plane, caps, pre_mult_alpha);
-       dispc_ovl_setup_global_alpha(plane, caps, global_alpha);
+       dispc_ovl_set_zorder(dispc, plane, caps, zorder);
+       dispc_ovl_set_pre_mult_alpha(dispc, plane, caps, pre_mult_alpha);
+       dispc_ovl_setup_global_alpha(dispc, plane, caps, global_alpha);
 
-       dispc_ovl_enable_replication(plane, caps, replication);
+       dispc_ovl_enable_replication(dispc, plane, caps, replication);
 
        return 0;
 }
@@ -2658,9 +2747,9 @@ static int dispc_ovl_setup(struct dispc_device *dispc,
                oi->pos_y, oi->width, oi->height, oi->out_width, oi->out_height,
                oi->fourcc, oi->rotation, channel, replication);
 
-       dispc_ovl_set_channel_out(plane, channel);
+       dispc_ovl_set_channel_out(dispc, plane, channel);
 
-       r = dispc_ovl_setup_common(plane, caps, oi->paddr, oi->p_uv_addr,
+       r = dispc_ovl_setup_common(dispc, plane, caps, oi->paddr, oi->p_uv_addr,
                oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
                oi->out_width, oi->out_height, oi->fourcc, oi->rotation,
                oi->zorder, oi->pre_mult_alpha, oi->global_alpha,
@@ -2689,7 +2778,7 @@ int dispc_wb_setup(struct dispc_device *dispc,
                "rot %d\n", wi->paddr, wi->p_uv_addr, in_width,
                in_height, wi->width, wi->height, wi->fourcc, wi->rotation);
 
-       r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr,
+       r = dispc_ovl_setup_common(dispc, plane, caps, wi->paddr, wi->p_uv_addr,
                wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
                wi->height, wi->fourcc, wi->rotation, zorder,
                wi->pre_mult_alpha, global_alpha, wi->rotation_type,
@@ -2712,18 +2801,18 @@ int dispc_wb_setup(struct dispc_device *dispc,
        }
 
        /* setup extra DISPC_WB_ATTRIBUTES */
-       l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
+       l = dispc_read_reg(dispc, DISPC_OVL_ATTRIBUTES(plane));
        l = FLD_MOD(l, truncation, 10, 10);     /* TRUNCATIONENABLE */
        l = FLD_MOD(l, mem_to_mem, 19, 19);     /* WRITEBACKMODE */
        if (mem_to_mem)
                l = FLD_MOD(l, 1, 26, 24);      /* CAPTUREMODE */
        else
                l = FLD_MOD(l, 0, 26, 24);      /* CAPTUREMODE */
-       dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
+       dispc_write_reg(dispc, DISPC_OVL_ATTRIBUTES(plane), l);
 
        if (mem_to_mem) {
                /* WBDELAYCOUNT */
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0);
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0);
        } else {
                int wbdelay;
 
@@ -2731,7 +2820,7 @@ int dispc_wb_setup(struct dispc_device *dispc,
                              vm->vsync_len + vm->vback_porch, (u32)255);
 
                /* WBDELAYCOUNT */
-               REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
+               REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
        }
 
        return r;
@@ -2742,7 +2831,7 @@ static int dispc_ovl_enable(struct dispc_device *dispc,
 {
        DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
 
-       REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0);
+       REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), enable ? 1 : 0, 0, 0);
 
        return 0;
 }
@@ -2754,94 +2843,106 @@ dispc_mgr_get_supported_outputs(struct dispc_device *dispc,
        return dss_get_supported_outputs(dispc->dss, channel);
 }
 
-static void dispc_lcd_enable_signal_polarity(bool act_high)
+static void dispc_lcd_enable_signal_polarity(struct dispc_device *dispc,
+                                            bool act_high)
 {
-       if (!dispc_has_feature(FEAT_LCDENABLEPOL))
+       if (!dispc_has_feature(dispc, FEAT_LCDENABLEPOL))
                return;
 
-       REG_FLD_MOD(DISPC_CONTROL, act_high ? 1 : 0, 29, 29);
+       REG_FLD_MOD(dispc, DISPC_CONTROL, act_high ? 1 : 0, 29, 29);
 }
 
 void dispc_lcd_enable_signal(struct dispc_device *dispc, bool enable)
 {
-       if (!dispc_has_feature(FEAT_LCDENABLESIGNAL))
+       if (!dispc_has_feature(dispc, FEAT_LCDENABLESIGNAL))
                return;
 
-       REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 28, 28);
+       REG_FLD_MOD(dispc, DISPC_CONTROL, enable ? 1 : 0, 28, 28);
 }
 
 void dispc_pck_free_enable(struct dispc_device *dispc, bool enable)
 {
-       if (!dispc_has_feature(FEAT_PCKFREEENABLE))
+       if (!dispc_has_feature(dispc, FEAT_PCKFREEENABLE))
                return;
 
-       REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27);
+       REG_FLD_MOD(dispc, DISPC_CONTROL, enable ? 1 : 0, 27, 27);
 }
 
-static void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable)
+static void dispc_mgr_enable_fifohandcheck(struct dispc_device *dispc,
+                                          enum omap_channel channel,
+                                          bool enable)
 {
-       mgr_fld_write(channel, DISPC_MGR_FLD_FIFOHANDCHECK, enable);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_FIFOHANDCHECK, enable);
 }
 
 
-static void dispc_mgr_set_lcd_type_tft(enum omap_channel channel)
+static void dispc_mgr_set_lcd_type_tft(struct dispc_device *dispc,
+                                      enum omap_channel channel)
 {
-       mgr_fld_write(channel, DISPC_MGR_FLD_STNTFT, 1);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_STNTFT, 1);
 }
 
-static void dispc_set_loadmode(enum omap_dss_load_mode mode)
+static void dispc_set_loadmode(struct dispc_device *dispc,
+                              enum omap_dss_load_mode mode)
 {
-       REG_FLD_MOD(DISPC_CONFIG, mode, 2, 1);
+       REG_FLD_MOD(dispc, DISPC_CONFIG, mode, 2, 1);
 }
 
 
-static void dispc_mgr_set_default_color(enum omap_channel channel, u32 color)
+static void dispc_mgr_set_default_color(struct dispc_device *dispc,
+                                       enum omap_channel channel, u32 color)
 {
-       dispc_write_reg(DISPC_DEFAULT_COLOR(channel), color);
+       dispc_write_reg(dispc, DISPC_DEFAULT_COLOR(channel), color);
 }
 
-static void dispc_mgr_set_trans_key(enum omap_channel ch,
-               enum omap_dss_trans_key_type type,
-               u32 trans_key)
+static void dispc_mgr_set_trans_key(struct dispc_device *dispc,
+                                   enum omap_channel ch,
+                                   enum omap_dss_trans_key_type type,
+                                   u32 trans_key)
 {
-       mgr_fld_write(ch, DISPC_MGR_FLD_TCKSELECTION, type);
+       mgr_fld_write(dispc, ch, DISPC_MGR_FLD_TCKSELECTION, type);
 
-       dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key);
+       dispc_write_reg(dispc, DISPC_TRANS_COLOR(ch), trans_key);
 }
 
-static void dispc_mgr_enable_trans_key(enum omap_channel ch, bool enable)
+static void dispc_mgr_enable_trans_key(struct dispc_device *dispc,
+                                      enum omap_channel ch, bool enable)
 {
-       mgr_fld_write(ch, DISPC_MGR_FLD_TCKENABLE, enable);
+       mgr_fld_write(dispc, ch, DISPC_MGR_FLD_TCKENABLE, enable);
 }
 
-static void dispc_mgr_enable_alpha_fixed_zorder(enum omap_channel ch,
-               bool enable)
+static void dispc_mgr_enable_alpha_fixed_zorder(struct dispc_device *dispc,
+                                               enum omap_channel ch,
+                                               bool enable)
 {
-       if (!dispc_has_feature(FEAT_ALPHA_FIXED_ZORDER))
+       if (!dispc_has_feature(dispc, FEAT_ALPHA_FIXED_ZORDER))
                return;
 
        if (ch == OMAP_DSS_CHANNEL_LCD)
-               REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18);
+               REG_FLD_MOD(dispc, DISPC_CONFIG, enable, 18, 18);
        else if (ch == OMAP_DSS_CHANNEL_DIGIT)
-               REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19);
+               REG_FLD_MOD(dispc, DISPC_CONFIG, enable, 19, 19);
 }
 
 static void dispc_mgr_setup(struct dispc_device *dispc,
                            enum omap_channel channel,
                            const struct omap_overlay_manager_info *info)
 {
-       dispc_mgr_set_default_color(channel, info->default_color);
-       dispc_mgr_set_trans_key(channel, info->trans_key_type, info->trans_key);
-       dispc_mgr_enable_trans_key(channel, info->trans_enabled);
-       dispc_mgr_enable_alpha_fixed_zorder(channel,
+       dispc_mgr_set_default_color(dispc, channel, info->default_color);
+       dispc_mgr_set_trans_key(dispc, channel, info->trans_key_type,
+                               info->trans_key);
+       dispc_mgr_enable_trans_key(dispc, channel, info->trans_enabled);
+       dispc_mgr_enable_alpha_fixed_zorder(dispc, channel,
                        info->partial_alpha_enabled);
-       if (dispc_has_feature(FEAT_CPR)) {
-               dispc_mgr_enable_cpr(channel, info->cpr_enable);
-               dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs);
+       if (dispc_has_feature(dispc, FEAT_CPR)) {
+               dispc_mgr_enable_cpr(dispc, channel, info->cpr_enable);
+               dispc_mgr_set_cpr_coef(dispc, channel, &info->cpr_coefs);
        }
 }
 
-static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
+static void dispc_mgr_set_tft_data_lines(struct dispc_device *dispc,
+                                        enum omap_channel channel,
+                                        u8 data_lines)
 {
        int code;
 
@@ -2863,10 +2964,11 @@ static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_line
                return;
        }
 
-       mgr_fld_write(channel, DISPC_MGR_FLD_TFTDATALINES, code);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_TFTDATALINES, code);
 }
 
-static void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode)
+static void dispc_mgr_set_io_pad_mode(struct dispc_device *dispc,
+                                     enum dss_io_pad_mode mode)
 {
        u32 l;
        int gpout0, gpout1;
@@ -2889,70 +2991,74 @@ static void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode)
                return;
        }
 
-       l = dispc_read_reg(DISPC_CONTROL);
+       l = dispc_read_reg(dispc, DISPC_CONTROL);
        l = FLD_MOD(l, gpout0, 15, 15);
        l = FLD_MOD(l, gpout1, 16, 16);
-       dispc_write_reg(DISPC_CONTROL, l);
+       dispc_write_reg(dispc, DISPC_CONTROL, l);
 }
 
-static void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable)
+static void dispc_mgr_enable_stallmode(struct dispc_device *dispc,
+                                      enum omap_channel channel, bool enable)
 {
-       mgr_fld_write(channel, DISPC_MGR_FLD_STALLMODE, enable);
+       mgr_fld_write(dispc, channel, DISPC_MGR_FLD_STALLMODE, enable);
 }
 
 static void dispc_mgr_set_lcd_config(struct dispc_device *dispc,
                                     enum omap_channel channel,
                                     const struct dss_lcd_mgr_config *config)
 {
-       dispc_mgr_set_io_pad_mode(config->io_pad_mode);
+       dispc_mgr_set_io_pad_mode(dispc, config->io_pad_mode);
 
-       dispc_mgr_enable_stallmode(channel, config->stallmode);
-       dispc_mgr_enable_fifohandcheck(channel, config->fifohandcheck);
+       dispc_mgr_enable_stallmode(dispc, channel, config->stallmode);
+       dispc_mgr_enable_fifohandcheck(dispc, channel, config->fifohandcheck);
 
        dispc_mgr_set_clock_div(dispc, channel, &config->clock_info);
 
-       dispc_mgr_set_tft_data_lines(channel, config->video_port_width);
+       dispc_mgr_set_tft_data_lines(dispc, channel, config->video_port_width);
 
-       dispc_lcd_enable_signal_polarity(config->lcden_sig_polarity);
+       dispc_lcd_enable_signal_polarity(dispc, config->lcden_sig_polarity);
 
-       dispc_mgr_set_lcd_type_tft(channel);
+       dispc_mgr_set_lcd_type_tft(dispc, channel);
 }
 
-static bool _dispc_mgr_size_ok(u16 width, u16 height)
+static bool _dispc_mgr_size_ok(struct dispc_device *dispc,
+                              u16 width, u16 height)
 {
-       return width <= dispc.feat->mgr_width_max &&
-               height <= dispc.feat->mgr_height_max;
+       return width <= dispc->feat->mgr_width_max &&
+               height <= dispc->feat->mgr_height_max;
 }
 
-static bool _dispc_lcd_timings_ok(int hsync_len, int hfp, int hbp,
-               int vsw, int vfp, int vbp)
+static bool _dispc_lcd_timings_ok(struct dispc_device *dispc,
+                                 int hsync_len, int hfp, int hbp,
+                                 int vsw, int vfp, int vbp)
 {
-       if (hsync_len < 1 || hsync_len > dispc.feat->sw_max ||
-                       hfp < 1 || hfp > dispc.feat->hp_max ||
-                       hbp < 1 || hbp > dispc.feat->hp_max ||
-                       vsw < 1 || vsw > dispc.feat->sw_max ||
-                       vfp < 0 || vfp > dispc.feat->vp_max ||
-                       vbp < 0 || vbp > dispc.feat->vp_max)
+       if (hsync_len < 1 || hsync_len > dispc->feat->sw_max ||
+           hfp < 1 || hfp > dispc->feat->hp_max ||
+           hbp < 1 || hbp > dispc->feat->hp_max ||
+           vsw < 1 || vsw > dispc->feat->sw_max ||
+           vfp < 0 || vfp > dispc->feat->vp_max ||
+           vbp < 0 || vbp > dispc->feat->vp_max)
                return false;
        return true;
 }
 
-static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
-               unsigned long pclk)
+static bool _dispc_mgr_pclk_ok(struct dispc_device *dispc,
+                              enum omap_channel channel,
+                              unsigned long pclk)
 {
        if (dss_mgr_is_lcd(channel))
-               return pclk <= dispc.feat->max_lcd_pclk;
+               return pclk <= dispc->feat->max_lcd_pclk;
        else
-               return pclk <= dispc.feat->max_tv_pclk;
+               return pclk <= dispc->feat->max_tv_pclk;
 }
 
 bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel,
                          const struct videomode *vm)
 {
-       if (!_dispc_mgr_size_ok(vm->hactive, vm->vactive))
+       if (!_dispc_mgr_size_ok(dispc, vm->hactive, vm->vactive))
                return false;
 
-       if (!_dispc_mgr_pclk_ok(channel, vm->pixelclock))
+       if (!_dispc_mgr_pclk_ok(dispc, channel, vm->pixelclock))
                return false;
 
        if (dss_mgr_is_lcd(channel)) {
@@ -2960,7 +3066,7 @@ bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel,
                if (vm->flags & DISPLAY_FLAGS_INTERLACED)
                        return false;
 
-               if (!_dispc_lcd_timings_ok(vm->hsync_len,
+               if (!_dispc_lcd_timings_ok(dispc, vm->hsync_len,
                                vm->hfront_porch, vm->hback_porch,
                                vm->vsync_len, vm->vfront_porch,
                                vm->vback_porch))
@@ -2970,21 +3076,22 @@ bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel,
        return true;
 }
 
-static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
+static void _dispc_mgr_set_lcd_timings(struct dispc_device *dispc,
+                                      enum omap_channel channel,
                                       const struct videomode *vm)
 {
        u32 timing_h, timing_v, l;
        bool onoff, rf, ipc, vs, hs, de;
 
-       timing_h = FLD_VAL(vm->hsync_len - 1, dispc.feat->sw_start, 0) |
-                  FLD_VAL(vm->hfront_porch - 1, dispc.feat->fp_start, 8) |
-                  FLD_VAL(vm->hback_porch - 1, dispc.feat->bp_start, 20);
-       timing_v = FLD_VAL(vm->vsync_len - 1, dispc.feat->sw_start, 0) |
-                  FLD_VAL(vm->vfront_porch, dispc.feat->fp_start, 8) |
-                  FLD_VAL(vm->vback_porch, dispc.feat->bp_start, 20);
+       timing_h = FLD_VAL(vm->hsync_len - 1, dispc->feat->sw_start, 0) |
+                  FLD_VAL(vm->hfront_porch - 1, dispc->feat->fp_start, 8) |
+                  FLD_VAL(vm->hback_porch - 1, dispc->feat->bp_start, 20);
+       timing_v = FLD_VAL(vm->vsync_len - 1, dispc->feat->sw_start, 0) |
+                  FLD_VAL(vm->vfront_porch, dispc->feat->fp_start, 8) |
+                  FLD_VAL(vm->vback_porch, dispc->feat->bp_start, 20);
 
-       dispc_write_reg(DISPC_TIMING_H(channel), timing_h);
-       dispc_write_reg(DISPC_TIMING_V(channel), timing_v);
+       dispc_write_reg(dispc, DISPC_TIMING_H(channel), timing_h);
+       dispc_write_reg(dispc, DISPC_TIMING_V(channel), timing_v);
 
        if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH)
                vs = false;
@@ -3022,12 +3129,12 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
                FLD_VAL(vs, 12, 12);
 
        /* always set ALIGN bit when available */
-       if (dispc.feat->supports_sync_align)
+       if (dispc->feat->supports_sync_align)
                l |= (1 << 18);
 
-       dispc_write_reg(DISPC_POL_FREQ(channel), l);
+       dispc_write_reg(dispc, DISPC_POL_FREQ(channel), l);
 
-       if (dispc.syscon_pol) {
+       if (dispc->syscon_pol) {
                const int shifts[] = {
                        [OMAP_DSS_CHANNEL_LCD] = 0,
                        [OMAP_DSS_CHANNEL_LCD2] = 1,
@@ -3042,8 +3149,8 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
                mask <<= 16 + shifts[channel];
                val <<= 16 + shifts[channel];
 
-               regmap_update_bits(dispc.syscon_pol, dispc.syscon_pol_offset,
-                       mask, val);
+               regmap_update_bits(dispc->syscon_pol, dispc->syscon_pol_offset,
+                                  mask, val);
        }
 }
 
@@ -3074,7 +3181,7 @@ static void dispc_mgr_set_timings(struct dispc_device *dispc,
        }
 
        if (dss_mgr_is_lcd(channel)) {
-               _dispc_mgr_set_lcd_timings(channel, &t);
+               _dispc_mgr_set_lcd_timings(dispc, channel, &t);
 
                xtot = t.hactive + t.hfront_porch + t.hsync_len + t.hback_porch;
                ytot = t.vactive + t.vfront_porch + t.vsync_len + t.vback_porch;
@@ -3099,51 +3206,53 @@ static void dispc_mgr_set_timings(struct dispc_device *dispc,
                        t.vactive /= 2;
 
                if (dispc->feat->supports_double_pixel)
-                       REG_FLD_MOD(DISPC_CONTROL,
+                       REG_FLD_MOD(dispc, DISPC_CONTROL,
                                    !!(t.flags & DISPLAY_FLAGS_DOUBLECLK),
                                    19, 17);
        }
 
-       dispc_mgr_set_size(channel, t.hactive, t.vactive);
+       dispc_mgr_set_size(dispc, channel, t.hactive, t.vactive);
 }
 
-static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
-               u16 pck_div)
+static void dispc_mgr_set_lcd_divisor(struct dispc_device *dispc,
+                                     enum omap_channel channel, u16 lck_div,
+                                     u16 pck_div)
 {
        BUG_ON(lck_div < 1);
        BUG_ON(pck_div < 1);
 
-       dispc_write_reg(DISPC_DIVISORo(channel),
+       dispc_write_reg(dispc, DISPC_DIVISORo(channel),
                        FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0));
 
-       if (!dispc_has_feature(FEAT_CORE_CLK_DIV) &&
+       if (!dispc_has_feature(dispc, FEAT_CORE_CLK_DIV) &&
                        channel == OMAP_DSS_CHANNEL_LCD)
-               dispc.core_clk_rate = dispc_fclk_rate() / lck_div;
+               dispc->core_clk_rate = dispc_fclk_rate(dispc) / lck_div;
 }
 
-static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div,
-               int *pck_div)
+static void dispc_mgr_get_lcd_divisor(struct dispc_device *dispc,
+                                     enum omap_channel channel, int *lck_div,
+                                     int *pck_div)
 {
        u32 l;
-       l = dispc_read_reg(DISPC_DIVISORo(channel));
+       l = dispc_read_reg(dispc, DISPC_DIVISORo(channel));
        *lck_div = FLD_GET(l, 23, 16);
        *pck_div = FLD_GET(l, 7, 0);
 }
 
-static unsigned long dispc_fclk_rate(void)
+static unsigned long dispc_fclk_rate(struct dispc_device *dispc)
 {
        unsigned long r;
        enum dss_clk_source src;
 
-       src = dss_get_dispc_clk_source(dispc.dss);
+       src = dss_get_dispc_clk_source(dispc->dss);
 
        if (src == DSS_CLK_SRC_FCK) {
-               r = dss_get_dispc_clk_rate(dispc.dss);
+               r = dss_get_dispc_clk_rate(dispc->dss);
        } else {
                struct dss_pll *pll;
                unsigned int clkout_idx;
 
-               pll = dss_pll_find_by_src(dispc.dss, src);
+               pll = dss_pll_find_by_src(dispc->dss, src);
                clkout_idx = dss_pll_get_clkout_idx_for_src(src);
 
                r = pll->cinfo.clkout[clkout_idx];
@@ -3152,7 +3261,8 @@ static unsigned long dispc_fclk_rate(void)
        return r;
 }
 
-static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
+static unsigned long dispc_mgr_lclk_rate(struct dispc_device *dispc,
+                                        enum omap_channel channel)
 {
        int lcd;
        unsigned long r;
@@ -3160,28 +3270,29 @@ static unsigned long dispc_mgr_lclk_rate(enum omap_channel channel)
 
        /* for TV, LCLK rate is the FCLK rate */
        if (!dss_mgr_is_lcd(channel))
-               return dispc_fclk_rate();
+               return dispc_fclk_rate(dispc);
 
-       src = dss_get_lcd_clk_source(dispc.dss, channel);
+       src = dss_get_lcd_clk_source(dispc->dss, channel);
 
        if (src == DSS_CLK_SRC_FCK) {
-               r = dss_get_dispc_clk_rate(dispc.dss);
+               r = dss_get_dispc_clk_rate(dispc->dss);
        } else {
                struct dss_pll *pll;
                unsigned int clkout_idx;
 
-               pll = dss_pll_find_by_src(dispc.dss, src);
+               pll = dss_pll_find_by_src(dispc->dss, src);
                clkout_idx = dss_pll_get_clkout_idx_for_src(src);
 
                r = pll->cinfo.clkout[clkout_idx];
        }
 
-       lcd = REG_GET(DISPC_DIVISORo(channel), 23, 16);
+       lcd = REG_GET(dispc, DISPC_DIVISORo(channel), 23, 16);
 
        return r / lcd;
 }
 
-static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel)
+static unsigned long dispc_mgr_pclk_rate(struct dispc_device *dispc,
+                                        enum omap_channel channel)
 {
        unsigned long r;
 
@@ -3189,15 +3300,15 @@ static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel)
                int pcd;
                u32 l;
 
-               l = dispc_read_reg(DISPC_DIVISORo(channel));
+               l = dispc_read_reg(dispc, DISPC_DIVISORo(channel));
 
                pcd = FLD_GET(l, 7, 0);
 
-               r = dispc_mgr_lclk_rate(channel);
+               r = dispc_mgr_lclk_rate(dispc, channel);
 
                return r / pcd;
        } else {
-               return dispc.tv_pclk_rate;
+               return dispc->tv_pclk_rate;
        }
 }
 
@@ -3206,53 +3317,57 @@ void dispc_set_tv_pclk(struct dispc_device *dispc, unsigned long pclk)
        dispc->tv_pclk_rate = pclk;
 }
 
-static unsigned long dispc_core_clk_rate(void)
+static unsigned long dispc_core_clk_rate(struct dispc_device *dispc)
 {
-       return dispc.core_clk_rate;
+       return dispc->core_clk_rate;
 }
 
-static unsigned long dispc_plane_pclk_rate(enum omap_plane_id plane)
+static unsigned long dispc_plane_pclk_rate(struct dispc_device *dispc,
+                                          enum omap_plane_id plane)
 {
        enum omap_channel channel;
 
        if (plane == OMAP_DSS_WB)
                return 0;
 
-       channel = dispc_ovl_get_channel_out(plane);
+       channel = dispc_ovl_get_channel_out(dispc, plane);
 
-       return dispc_mgr_pclk_rate(channel);
+       return dispc_mgr_pclk_rate(dispc, channel);
 }
 
-static unsigned long dispc_plane_lclk_rate(enum omap_plane_id plane)
+static unsigned long dispc_plane_lclk_rate(struct dispc_device *dispc,
+                                          enum omap_plane_id plane)
 {
        enum omap_channel channel;
 
        if (plane == OMAP_DSS_WB)
                return 0;
 
-       channel = dispc_ovl_get_channel_out(plane);
+       channel = dispc_ovl_get_channel_out(dispc, plane);
 
-       return dispc_mgr_lclk_rate(channel);
+       return dispc_mgr_lclk_rate(dispc, channel);
 }
 
-static void dispc_dump_clocks_channel(struct seq_file *s, enum omap_channel channel)
+static void dispc_dump_clocks_channel(struct dispc_device *dispc,
+                                     struct seq_file *s,
+                                     enum omap_channel channel)
 {
        int lcd, pcd;
        enum dss_clk_source lcd_clk_src;
 
        seq_printf(s, "- %s -\n", mgr_desc[channel].name);
 
-       lcd_clk_src = dss_get_lcd_clk_source(dispc.dss, channel);
+       lcd_clk_src = dss_get_lcd_clk_source(dispc->dss, channel);
 
        seq_printf(s, "%s clk source = %s\n", mgr_desc[channel].name,
                dss_get_clk_source_name(lcd_clk_src));
 
-       dispc_mgr_get_lcd_divisor(channel, &lcd, &pcd);
+       dispc_mgr_get_lcd_divisor(dispc, channel, &lcd, &pcd);
 
        seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
-               dispc_mgr_lclk_rate(channel), lcd);
+               dispc_mgr_lclk_rate(dispc, channel), lcd);
        seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
-               dispc_mgr_pclk_rate(channel), pcd);
+               dispc_mgr_pclk_rate(dispc, channel), pcd);
 }
 
 void dispc_dump_clocks(struct dispc_device *dispc, struct seq_file *s)
@@ -3270,29 +3385,30 @@ void dispc_dump_clocks(struct dispc_device *dispc, struct seq_file *s)
        seq_printf(s, "dispc fclk source = %s\n",
                        dss_get_clk_source_name(dispc_clk_src));
 
-       seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
+       seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate(dispc));
 
-       if (dispc_has_feature(FEAT_CORE_CLK_DIV)) {
+       if (dispc_has_feature(dispc, FEAT_CORE_CLK_DIV)) {
                seq_printf(s, "- DISPC-CORE-CLK -\n");
-               l = dispc_read_reg(DISPC_DIVISOR);
+               l = dispc_read_reg(dispc, DISPC_DIVISOR);
                lcd = FLD_GET(l, 23, 16);
 
                seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
-                               (dispc_fclk_rate()/lcd), lcd);
+                               (dispc_fclk_rate(dispc)/lcd), lcd);
        }
 
-       dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD);
+       dispc_dump_clocks_channel(dispc, s, OMAP_DSS_CHANNEL_LCD);
 
-       if (dispc_has_feature(FEAT_MGR_LCD2))
-               dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD2);
-       if (dispc_has_feature(FEAT_MGR_LCD3))
-               dispc_dump_clocks_channel(s, OMAP_DSS_CHANNEL_LCD3);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2))
+               dispc_dump_clocks_channel(dispc, s, OMAP_DSS_CHANNEL_LCD2);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3))
+               dispc_dump_clocks_channel(dispc, s, OMAP_DSS_CHANNEL_LCD3);
 
        dispc_runtime_put(dispc);
 }
 
 static int dispc_dump_regs(struct seq_file *s, void *p)
 {
+       struct dispc_device *dispc = s->private;
        int i, j;
        const char *mgr_names[] = {
                [OMAP_DSS_CHANNEL_LCD]          = "LCD",
@@ -3309,178 +3425,179 @@ static int dispc_dump_regs(struct seq_file *s, void *p)
        };
        const char **p_names;
 
-#define DUMPREG(r) seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r))
+#define DUMPREG(dispc, r) \
+       seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(dispc, r))
 
-       if (dispc_runtime_get(&dispc))
+       if (dispc_runtime_get(dispc))
                return 0;
 
        /* DISPC common registers */
-       DUMPREG(DISPC_REVISION);
-       DUMPREG(DISPC_SYSCONFIG);
-       DUMPREG(DISPC_SYSSTATUS);
-       DUMPREG(DISPC_IRQSTATUS);
-       DUMPREG(DISPC_IRQENABLE);
-       DUMPREG(DISPC_CONTROL);
-       DUMPREG(DISPC_CONFIG);
-       DUMPREG(DISPC_CAPABLE);
-       DUMPREG(DISPC_LINE_STATUS);
-       DUMPREG(DISPC_LINE_NUMBER);
-       if (dispc_has_feature(FEAT_ALPHA_FIXED_ZORDER) ||
-                       dispc_has_feature(FEAT_ALPHA_FREE_ZORDER))
-               DUMPREG(DISPC_GLOBAL_ALPHA);
-       if (dispc_has_feature(FEAT_MGR_LCD2)) {
-               DUMPREG(DISPC_CONTROL2);
-               DUMPREG(DISPC_CONFIG2);
+       DUMPREG(dispc, DISPC_REVISION);
+       DUMPREG(dispc, DISPC_SYSCONFIG);
+       DUMPREG(dispc, DISPC_SYSSTATUS);
+       DUMPREG(dispc, DISPC_IRQSTATUS);
+       DUMPREG(dispc, DISPC_IRQENABLE);
+       DUMPREG(dispc, DISPC_CONTROL);
+       DUMPREG(dispc, DISPC_CONFIG);
+       DUMPREG(dispc, DISPC_CAPABLE);
+       DUMPREG(dispc, DISPC_LINE_STATUS);
+       DUMPREG(dispc, DISPC_LINE_NUMBER);
+       if (dispc_has_feature(dispc, FEAT_ALPHA_FIXED_ZORDER) ||
+                       dispc_has_feature(dispc, FEAT_ALPHA_FREE_ZORDER))
+               DUMPREG(dispc, DISPC_GLOBAL_ALPHA);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2)) {
+               DUMPREG(dispc, DISPC_CONTROL2);
+               DUMPREG(dispc, DISPC_CONFIG2);
        }
-       if (dispc_has_feature(FEAT_MGR_LCD3)) {
-               DUMPREG(DISPC_CONTROL3);
-               DUMPREG(DISPC_CONFIG3);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3)) {
+               DUMPREG(dispc, DISPC_CONTROL3);
+               DUMPREG(dispc, DISPC_CONFIG3);
        }
-       if (dispc_has_feature(FEAT_MFLAG))
-               DUMPREG(DISPC_GLOBAL_MFLAG_ATTRIBUTE);
+       if (dispc_has_feature(dispc, FEAT_MFLAG))
+               DUMPREG(dispc, DISPC_GLOBAL_MFLAG_ATTRIBUTE);
 
 #undef DUMPREG
 
 #define DISPC_REG(i, name) name(i)
-#define DUMPREG(i, r) seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \
+#define DUMPREG(dispc, i, r) seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \
        (int)(48 - strlen(#r) - strlen(p_names[i])), " ", \
-       dispc_read_reg(DISPC_REG(i, r)))
+       dispc_read_reg(dispc, DISPC_REG(i, r)))
 
        p_names = mgr_names;
 
        /* DISPC channel specific registers */
-       for (i = 0; i < dispc_get_num_mgrs(&dispc); i++) {
-               DUMPREG(i, DISPC_DEFAULT_COLOR);
-               DUMPREG(i, DISPC_TRANS_COLOR);
-               DUMPREG(i, DISPC_SIZE_MGR);
+       for (i = 0; i < dispc_get_num_mgrs(dispc); i++) {
+               DUMPREG(dispc, i, DISPC_DEFAULT_COLOR);
+               DUMPREG(dispc, i, DISPC_TRANS_COLOR);
+               DUMPREG(dispc, i, DISPC_SIZE_MGR);
 
                if (i == OMAP_DSS_CHANNEL_DIGIT)
                        continue;
 
-               DUMPREG(i, DISPC_TIMING_H);
-               DUMPREG(i, DISPC_TIMING_V);
-               DUMPREG(i, DISPC_POL_FREQ);
-               DUMPREG(i, DISPC_DIVISORo);
+               DUMPREG(dispc, i, DISPC_TIMING_H);
+               DUMPREG(dispc, i, DISPC_TIMING_V);
+               DUMPREG(dispc, i, DISPC_POL_FREQ);
+               DUMPREG(dispc, i, DISPC_DIVISORo);
 
-               DUMPREG(i, DISPC_DATA_CYCLE1);
-               DUMPREG(i, DISPC_DATA_CYCLE2);
-               DUMPREG(i, DISPC_DATA_CYCLE3);
+               DUMPREG(dispc, i, DISPC_DATA_CYCLE1);
+               DUMPREG(dispc, i, DISPC_DATA_CYCLE2);
+               DUMPREG(dispc, i, DISPC_DATA_CYCLE3);
 
-               if (dispc_has_feature(FEAT_CPR)) {
-                       DUMPREG(i, DISPC_CPR_COEF_R);
-                       DUMPREG(i, DISPC_CPR_COEF_G);
-                       DUMPREG(i, DISPC_CPR_COEF_B);
+               if (dispc_has_feature(dispc, FEAT_CPR)) {
+                       DUMPREG(dispc, i, DISPC_CPR_COEF_R);
+                       DUMPREG(dispc, i, DISPC_CPR_COEF_G);
+                       DUMPREG(dispc, i, DISPC_CPR_COEF_B);
                }
        }
 
        p_names = ovl_names;
 
-       for (i = 0; i < dispc_get_num_ovls(&dispc); i++) {
-               DUMPREG(i, DISPC_OVL_BA0);
-               DUMPREG(i, DISPC_OVL_BA1);
-               DUMPREG(i, DISPC_OVL_POSITION);
-               DUMPREG(i, DISPC_OVL_SIZE);
-               DUMPREG(i, DISPC_OVL_ATTRIBUTES);
-               DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD);
-               DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS);
-               DUMPREG(i, DISPC_OVL_ROW_INC);
-               DUMPREG(i, DISPC_OVL_PIXEL_INC);
-
-               if (dispc_has_feature(FEAT_PRELOAD))
-                       DUMPREG(i, DISPC_OVL_PRELOAD);
-               if (dispc_has_feature(FEAT_MFLAG))
-                       DUMPREG(i, DISPC_OVL_MFLAG_THRESHOLD);
+       for (i = 0; i < dispc_get_num_ovls(dispc); i++) {
+               DUMPREG(dispc, i, DISPC_OVL_BA0);
+               DUMPREG(dispc, i, DISPC_OVL_BA1);
+               DUMPREG(dispc, i, DISPC_OVL_POSITION);
+               DUMPREG(dispc, i, DISPC_OVL_SIZE);
+               DUMPREG(dispc, i, DISPC_OVL_ATTRIBUTES);
+               DUMPREG(dispc, i, DISPC_OVL_FIFO_THRESHOLD);
+               DUMPREG(dispc, i, DISPC_OVL_FIFO_SIZE_STATUS);
+               DUMPREG(dispc, i, DISPC_OVL_ROW_INC);
+               DUMPREG(dispc, i, DISPC_OVL_PIXEL_INC);
+
+               if (dispc_has_feature(dispc, FEAT_PRELOAD))
+                       DUMPREG(dispc, i, DISPC_OVL_PRELOAD);
+               if (dispc_has_feature(dispc, FEAT_MFLAG))
+                       DUMPREG(dispc, i, DISPC_OVL_MFLAG_THRESHOLD);
 
                if (i == OMAP_DSS_GFX) {
-                       DUMPREG(i, DISPC_OVL_WINDOW_SKIP);
-                       DUMPREG(i, DISPC_OVL_TABLE_BA);
+                       DUMPREG(dispc, i, DISPC_OVL_WINDOW_SKIP);
+                       DUMPREG(dispc, i, DISPC_OVL_TABLE_BA);
                        continue;
                }
 
-               DUMPREG(i, DISPC_OVL_FIR);
-               DUMPREG(i, DISPC_OVL_PICTURE_SIZE);
-               DUMPREG(i, DISPC_OVL_ACCU0);
-               DUMPREG(i, DISPC_OVL_ACCU1);
-               if (dispc_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
-                       DUMPREG(i, DISPC_OVL_BA0_UV);
-                       DUMPREG(i, DISPC_OVL_BA1_UV);
-                       DUMPREG(i, DISPC_OVL_FIR2);
-                       DUMPREG(i, DISPC_OVL_ACCU2_0);
-                       DUMPREG(i, DISPC_OVL_ACCU2_1);
+               DUMPREG(dispc, i, DISPC_OVL_FIR);
+               DUMPREG(dispc, i, DISPC_OVL_PICTURE_SIZE);
+               DUMPREG(dispc, i, DISPC_OVL_ACCU0);
+               DUMPREG(dispc, i, DISPC_OVL_ACCU1);
+               if (dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) {
+                       DUMPREG(dispc, i, DISPC_OVL_BA0_UV);
+                       DUMPREG(dispc, i, DISPC_OVL_BA1_UV);
+                       DUMPREG(dispc, i, DISPC_OVL_FIR2);
+                       DUMPREG(dispc, i, DISPC_OVL_ACCU2_0);
+                       DUMPREG(dispc, i, DISPC_OVL_ACCU2_1);
                }
-               if (dispc_has_feature(FEAT_ATTR2))
-                       DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
+               if (dispc_has_feature(dispc, FEAT_ATTR2))
+                       DUMPREG(dispc, i, DISPC_OVL_ATTRIBUTES2);
        }
 
-       if (dispc.feat->has_writeback) {
+       if (dispc->feat->has_writeback) {
                i = OMAP_DSS_WB;
-               DUMPREG(i, DISPC_OVL_BA0);
-               DUMPREG(i, DISPC_OVL_BA1);
-               DUMPREG(i, DISPC_OVL_SIZE);
-               DUMPREG(i, DISPC_OVL_ATTRIBUTES);
-               DUMPREG(i, DISPC_OVL_FIFO_THRESHOLD);
-               DUMPREG(i, DISPC_OVL_FIFO_SIZE_STATUS);
-               DUMPREG(i, DISPC_OVL_ROW_INC);
-               DUMPREG(i, DISPC_OVL_PIXEL_INC);
-
-               if (dispc_has_feature(FEAT_MFLAG))
-                       DUMPREG(i, DISPC_OVL_MFLAG_THRESHOLD);
-
-               DUMPREG(i, DISPC_OVL_FIR);
-               DUMPREG(i, DISPC_OVL_PICTURE_SIZE);
-               DUMPREG(i, DISPC_OVL_ACCU0);
-               DUMPREG(i, DISPC_OVL_ACCU1);
-               if (dispc_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
-                       DUMPREG(i, DISPC_OVL_BA0_UV);
-                       DUMPREG(i, DISPC_OVL_BA1_UV);
-                       DUMPREG(i, DISPC_OVL_FIR2);
-                       DUMPREG(i, DISPC_OVL_ACCU2_0);
-                       DUMPREG(i, DISPC_OVL_ACCU2_1);
+               DUMPREG(dispc, i, DISPC_OVL_BA0);
+               DUMPREG(dispc, i, DISPC_OVL_BA1);
+               DUMPREG(dispc, i, DISPC_OVL_SIZE);
+               DUMPREG(dispc, i, DISPC_OVL_ATTRIBUTES);
+               DUMPREG(dispc, i, DISPC_OVL_FIFO_THRESHOLD);
+               DUMPREG(dispc, i, DISPC_OVL_FIFO_SIZE_STATUS);
+               DUMPREG(dispc, i, DISPC_OVL_ROW_INC);
+               DUMPREG(dispc, i, DISPC_OVL_PIXEL_INC);
+
+               if (dispc_has_feature(dispc, FEAT_MFLAG))
+                       DUMPREG(dispc, i, DISPC_OVL_MFLAG_THRESHOLD);
+
+               DUMPREG(dispc, i, DISPC_OVL_FIR);
+               DUMPREG(dispc, i, DISPC_OVL_PICTURE_SIZE);
+               DUMPREG(dispc, i, DISPC_OVL_ACCU0);
+               DUMPREG(dispc, i, DISPC_OVL_ACCU1);
+               if (dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) {
+                       DUMPREG(dispc, i, DISPC_OVL_BA0_UV);
+                       DUMPREG(dispc, i, DISPC_OVL_BA1_UV);
+                       DUMPREG(dispc, i, DISPC_OVL_FIR2);
+                       DUMPREG(dispc, i, DISPC_OVL_ACCU2_0);
+                       DUMPREG(dispc, i, DISPC_OVL_ACCU2_1);
                }
-               if (dispc_has_feature(FEAT_ATTR2))
-                       DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
+               if (dispc_has_feature(dispc, FEAT_ATTR2))
+                       DUMPREG(dispc, i, DISPC_OVL_ATTRIBUTES2);
        }
 
 #undef DISPC_REG
 #undef DUMPREG
 
 #define DISPC_REG(plane, name, i) name(plane, i)
-#define DUMPREG(plane, name, i) \
+#define DUMPREG(dispc, plane, name, i) \
        seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \
        (int)(46 - strlen(#name) - strlen(p_names[plane])), " ", \
-       dispc_read_reg(DISPC_REG(plane, name, i)))
+       dispc_read_reg(dispc, DISPC_REG(plane, name, i)))
 
        /* Video pipeline coefficient registers */
 
        /* start from OMAP_DSS_VIDEO1 */
-       for (i = 1; i < dispc_get_num_ovls(&dispc); i++) {
+       for (i = 1; i < dispc_get_num_ovls(dispc); i++) {
                for (j = 0; j < 8; j++)
-                       DUMPREG(i, DISPC_OVL_FIR_COEF_H, j);
+                       DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_H, j);
 
                for (j = 0; j < 8; j++)
-                       DUMPREG(i, DISPC_OVL_FIR_COEF_HV, j);
+                       DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_HV, j);
 
                for (j = 0; j < 5; j++)
-                       DUMPREG(i, DISPC_OVL_CONV_COEF, j);
+                       DUMPREG(dispc, i, DISPC_OVL_CONV_COEF, j);
 
-               if (dispc_has_feature(FEAT_FIR_COEF_V)) {
+               if (dispc_has_feature(dispc, FEAT_FIR_COEF_V)) {
                        for (j = 0; j < 8; j++)
-                               DUMPREG(i, DISPC_OVL_FIR_COEF_V, j);
+                               DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_V, j);
                }
 
-               if (dispc_has_feature(FEAT_HANDLE_UV_SEPARATE)) {
+               if (dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) {
                        for (j = 0; j < 8; j++)
-                               DUMPREG(i, DISPC_OVL_FIR_COEF_H2, j);
+                               DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_H2, j);
 
                        for (j = 0; j < 8; j++)
-                               DUMPREG(i, DISPC_OVL_FIR_COEF_HV2, j);
+                               DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_HV2, j);
 
                        for (j = 0; j < 8; j++)
-                               DUMPREG(i, DISPC_OVL_FIR_COEF_V2, j);
+                               DUMPREG(dispc, i, DISPC_OVL_FIR_COEF_V2, j);
                }
        }
 
-       dispc_runtime_put(&dispc);
+       dispc_runtime_put(dispc);
 
 #undef DISPC_REG
 #undef DUMPREG
@@ -3548,8 +3665,8 @@ bool dispc_div_calc(struct dispc_device *dispc, unsigned long dispc_freq,
                         * also. Thus we need to use the calculated lck. For
                         * OMAP4+ the DISPC fclk is a separate clock.
                         */
-                       if (dispc_has_feature(FEAT_CORE_CLK_DIV))
-                               fck = dispc_core_clk_rate();
+                       if (dispc_has_feature(dispc, FEAT_CORE_CLK_DIV))
+                               fck = dispc_core_clk_rate(dispc);
                        else
                                fck = lck;
 
@@ -3571,7 +3688,8 @@ void dispc_mgr_set_clock_div(struct dispc_device *dispc,
        DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div);
        DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div);
 
-       dispc_mgr_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div);
+       dispc_mgr_set_lcd_divisor(dispc, channel, cinfo->lck_div,
+                                 cinfo->pck_div);
 }
 
 int dispc_mgr_get_clock_div(struct dispc_device *dispc,
@@ -3580,10 +3698,10 @@ int dispc_mgr_get_clock_div(struct dispc_device *dispc,
 {
        unsigned long fck;
 
-       fck = dispc_fclk_rate();
+       fck = dispc_fclk_rate(dispc);
 
-       cinfo->lck_div = REG_GET(DISPC_DIVISORo(channel), 23, 16);
-       cinfo->pck_div = REG_GET(DISPC_DIVISORo(channel), 7, 0);
+       cinfo->lck_div = REG_GET(dispc, DISPC_DIVISORo(channel), 23, 16);
+       cinfo->pck_div = REG_GET(dispc, DISPC_DIVISORo(channel), 7, 0);
 
        cinfo->lck = fck / cinfo->lck_div;
        cinfo->pck = cinfo->lck / cinfo->pck_div;
@@ -3593,35 +3711,36 @@ int dispc_mgr_get_clock_div(struct dispc_device *dispc,
 
 static u32 dispc_read_irqstatus(struct dispc_device *dispc)
 {
-       return dispc_read_reg(DISPC_IRQSTATUS);
+       return dispc_read_reg(dispc, DISPC_IRQSTATUS);
 }
 
 static void dispc_clear_irqstatus(struct dispc_device *dispc, u32 mask)
 {
-       dispc_write_reg(DISPC_IRQSTATUS, mask);
+       dispc_write_reg(dispc, DISPC_IRQSTATUS, mask);
 }
 
 static void dispc_write_irqenable(struct dispc_device *dispc, u32 mask)
 {
-       u32 old_mask = dispc_read_reg(DISPC_IRQENABLE);
+       u32 old_mask = dispc_read_reg(dispc, DISPC_IRQENABLE);
 
        /* clear the irqstatus for newly enabled irqs */
        dispc_clear_irqstatus(dispc, (mask ^ old_mask) & mask);
 
-       dispc_write_reg(DISPC_IRQENABLE, mask);
+       dispc_write_reg(dispc, DISPC_IRQENABLE, mask);
 
        /* flush posted write */
-       dispc_read_reg(DISPC_IRQENABLE);
+       dispc_read_reg(dispc, DISPC_IRQENABLE);
 }
 
 void dispc_enable_sidle(struct dispc_device *dispc)
 {
-       REG_FLD_MOD(DISPC_SYSCONFIG, 2, 4, 3);  /* SIDLEMODE: smart idle */
+       /* SIDLEMODE: smart idle */
+       REG_FLD_MOD(dispc, DISPC_SYSCONFIG, 2, 4, 3);
 }
 
 void dispc_disable_sidle(struct dispc_device *dispc)
 {
-       REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3);  /* SIDLEMODE: no idle */
+       REG_FLD_MOD(dispc, DISPC_SYSCONFIG, 1, 4, 3);   /* SIDLEMODE: no idle */
 }
 
 static u32 dispc_mgr_gamma_size(struct dispc_device *dispc,
@@ -3635,10 +3754,11 @@ static u32 dispc_mgr_gamma_size(struct dispc_device *dispc,
        return gdesc->len;
 }
 
-static void dispc_mgr_write_gamma_table(enum omap_channel channel)
+static void dispc_mgr_write_gamma_table(struct dispc_device *dispc,
+                                       enum omap_channel channel)
 {
        const struct dispc_gamma_desc *gdesc = &mgr_desc[channel].gamma;
-       u32 *table = dispc.gamma_table[channel];
+       u32 *table = dispc->gamma_table[channel];
        unsigned int i;
 
        DSSDBG("%s: channel %d\n", __func__, channel);
@@ -3651,26 +3771,26 @@ static void dispc_mgr_write_gamma_table(enum omap_channel channel)
                else if (i == 0)
                        v |= 1 << 31;
 
-               dispc_write_reg(gdesc->reg, v);
+               dispc_write_reg(dispc, gdesc->reg, v);
        }
 }
 
-static void dispc_restore_gamma_tables(void)
+static void dispc_restore_gamma_tables(struct dispc_device *dispc)
 {
        DSSDBG("%s()\n", __func__);
 
-       if (!dispc.feat->has_gamma_table)
+       if (!dispc->feat->has_gamma_table)
                return;
 
-       dispc_mgr_write_gamma_table(OMAP_DSS_CHANNEL_LCD);
+       dispc_mgr_write_gamma_table(dispc, OMAP_DSS_CHANNEL_LCD);
 
-       dispc_mgr_write_gamma_table(OMAP_DSS_CHANNEL_DIGIT);
+       dispc_mgr_write_gamma_table(dispc, OMAP_DSS_CHANNEL_DIGIT);
 
-       if (dispc_has_feature(FEAT_MGR_LCD2))
-               dispc_mgr_write_gamma_table(OMAP_DSS_CHANNEL_LCD2);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD2))
+               dispc_mgr_write_gamma_table(dispc, OMAP_DSS_CHANNEL_LCD2);
 
-       if (dispc_has_feature(FEAT_MGR_LCD3))
-               dispc_mgr_write_gamma_table(OMAP_DSS_CHANNEL_LCD3);
+       if (dispc_has_feature(dispc, FEAT_MGR_LCD3))
+               dispc_mgr_write_gamma_table(dispc, OMAP_DSS_CHANNEL_LCD3);
 }
 
 static const struct drm_color_lut dispc_mgr_gamma_default_lut[] = {
@@ -3723,81 +3843,82 @@ static void dispc_mgr_set_gamma(struct dispc_device *dispc,
        }
 
        if (dispc->is_enabled)
-               dispc_mgr_write_gamma_table(channel);
+               dispc_mgr_write_gamma_table(dispc, channel);
 }
 
-static int dispc_init_gamma_tables(void)
+static int dispc_init_gamma_tables(struct dispc_device *dispc)
 {
        int channel;
 
-       if (!dispc.feat->has_gamma_table)
+       if (!dispc->feat->has_gamma_table)
                return 0;
 
-       for (channel = 0; channel < ARRAY_SIZE(dispc.gamma_table); channel++) {
+       for (channel = 0; channel < ARRAY_SIZE(dispc->gamma_table); channel++) {
                const struct dispc_gamma_desc *gdesc = &mgr_desc[channel].gamma;
                u32 *gt;
 
                if (channel == OMAP_DSS_CHANNEL_LCD2 &&
-                   !dispc_has_feature(FEAT_MGR_LCD2))
+                   !dispc_has_feature(dispc, FEAT_MGR_LCD2))
                        continue;
 
                if (channel == OMAP_DSS_CHANNEL_LCD3 &&
-                   !dispc_has_feature(FEAT_MGR_LCD3))
+                   !dispc_has_feature(dispc, FEAT_MGR_LCD3))
                        continue;
 
-               gt = devm_kmalloc_array(&dispc.pdev->dev, gdesc->len,
-                                          sizeof(u32), GFP_KERNEL);
+               gt = devm_kmalloc_array(&dispc->pdev->dev, gdesc->len,
+                                       sizeof(u32), GFP_KERNEL);
                if (!gt)
                        return -ENOMEM;
 
-               dispc.gamma_table[channel] = gt;
+               dispc->gamma_table[channel] = gt;
 
-               dispc_mgr_set_gamma(&dispc, channel, NULL, 0);
+               dispc_mgr_set_gamma(dispc, channel, NULL, 0);
        }
        return 0;
 }
 
-static void _omap_dispc_initial_config(void)
+static void _omap_dispc_initial_config(struct dispc_device *dispc)
 {
        u32 l;
 
        /* Exclusively enable DISPC_CORE_CLK and set divider to 1 */
-       if (dispc_has_feature(FEAT_CORE_CLK_DIV)) {
-               l = dispc_read_reg(DISPC_DIVISOR);
+       if (dispc_has_feature(dispc, FEAT_CORE_CLK_DIV)) {
+               l = dispc_read_reg(dispc, DISPC_DIVISOR);
                /* Use DISPC_DIVISOR.LCD, instead of DISPC_DIVISOR1.LCD */
                l = FLD_MOD(l, 1, 0, 0);
                l = FLD_MOD(l, 1, 23, 16);
-               dispc_write_reg(DISPC_DIVISOR, l);
+               dispc_write_reg(dispc, DISPC_DIVISOR, l);
 
-               dispc.core_clk_rate = dispc_fclk_rate();
+               dispc->core_clk_rate = dispc_fclk_rate(dispc);
        }
 
        /* Use gamma table mode, instead of palette mode */
-       if (dispc.feat->has_gamma_table)
-               REG_FLD_MOD(DISPC_CONFIG, 1, 3, 3);
+       if (dispc->feat->has_gamma_table)
+               REG_FLD_MOD(dispc, DISPC_CONFIG, 1, 3, 3);
 
        /* For older DSS versions (FEAT_FUNCGATED) this enables
         * func-clock auto-gating. For newer versions
-        * (dispc.feat->has_gamma_table) this enables tv-out gamma tables.
+        * (dispc->feat->has_gamma_table) this enables tv-out gamma tables.
         */
-       if (dispc_has_feature(FEAT_FUNCGATED) || dispc.feat->has_gamma_table)
-               REG_FLD_MOD(DISPC_CONFIG, 1, 9, 9);
+       if (dispc_has_feature(dispc, FEAT_FUNCGATED) ||
+           dispc->feat->has_gamma_table)
+               REG_FLD_MOD(dispc, DISPC_CONFIG, 1, 9, 9);
 
-       dispc_setup_color_conv_coef();
+       dispc_setup_color_conv_coef(dispc);
 
-       dispc_set_loadmode(OMAP_DSS_LOAD_FRAME_ONLY);
+       dispc_set_loadmode(dispc, OMAP_DSS_LOAD_FRAME_ONLY);
 
-       dispc_init_fifos();
+       dispc_init_fifos(dispc);
 
-       dispc_configure_burst_sizes();
+       dispc_configure_burst_sizes(dispc);
 
-       dispc_ovl_enable_zorder_planes();
+       dispc_ovl_enable_zorder_planes(dispc);
 
-       if (dispc.feat->mstandby_workaround)
-               REG_FLD_MOD(DISPC_MSTANDBY_CTRL, 1, 0, 0);
+       if (dispc->feat->mstandby_workaround)
+               REG_FLD_MOD(dispc, DISPC_MSTANDBY_CTRL, 1, 0, 0);
 
-       if (dispc_has_feature(FEAT_MFLAG))
-               dispc_init_mflag();
+       if (dispc_has_feature(dispc, FEAT_MFLAG))
+               dispc_init_mflag(dispc);
 }
 
 static const enum dispc_feature_id omap2_dispc_features_list[] = {
@@ -4316,10 +4437,12 @@ static const struct dispc_features omap54xx_dispc_feats = {
 
 static irqreturn_t dispc_irq_handler(int irq, void *arg)
 {
-       if (!dispc.is_enabled)
+       struct dispc_device *dispc = arg;
+
+       if (!dispc->is_enabled)
                return IRQ_NONE;
 
-       return dispc.user_handler(irq, dispc.user_data);
+       return dispc->user_handler(irq, dispc->user_data);
 }
 
 static int dispc_request_irq(struct dispc_device *dispc, irq_handler_t handler,
@@ -4436,18 +4559,19 @@ static struct i734_buf {
        void *vaddr;
 } i734_buf;
 
-static int dispc_errata_i734_wa_init(void)
+static int dispc_errata_i734_wa_init(struct dispc_device *dispc)
 {
-       if (!dispc.feat->has_gamma_i734_bug)
+       if (!dispc->feat->has_gamma_i734_bug)
                return 0;
 
        i734_buf.size = i734.ovli.width * i734.ovli.height *
                color_mode_to_bpp(i734.ovli.fourcc) / 8;
 
-       i734_buf.vaddr = dma_alloc_writecombine(&dispc.pdev->dev, i734_buf.size,
-                                               &i734_buf.paddr, GFP_KERNEL);
+       i734_buf.vaddr = dma_alloc_writecombine(&dispc->pdev->dev,
+                                               i734_buf.size, &i734_buf.paddr,
+                                               GFP_KERNEL);
        if (!i734_buf.vaddr) {
-               dev_err(&dispc.pdev->dev, "%s: dma_alloc_writecombine failed",
+               dev_err(&dispc->pdev->dev, "%s: dma_alloc_writecombine failed",
                        __func__);
                return -ENOMEM;
        }
@@ -4455,73 +4579,73 @@ static int dispc_errata_i734_wa_init(void)
        return 0;
 }
 
-static void dispc_errata_i734_wa_fini(void)
+static void dispc_errata_i734_wa_fini(struct dispc_device *dispc)
 {
-       if (!dispc.feat->has_gamma_i734_bug)
+       if (!dispc->feat->has_gamma_i734_bug)
                return;
 
-       dma_free_writecombine(&dispc.pdev->dev, i734_buf.size, i734_buf.vaddr,
+       dma_free_writecombine(&dispc->pdev->dev, i734_buf.size, i734_buf.vaddr,
                              i734_buf.paddr);
 }
 
-static void dispc_errata_i734_wa(void)
+static void dispc_errata_i734_wa(struct dispc_device *dispc)
 {
-       u32 framedone_irq = dispc_mgr_get_framedone_irq(&dispc,
+       u32 framedone_irq = dispc_mgr_get_framedone_irq(dispc,
                                                        OMAP_DSS_CHANNEL_LCD);
        struct omap_overlay_info ovli;
        struct dss_lcd_mgr_config lcd_conf;
        u32 gatestate;
        unsigned int count;
 
-       if (!dispc.feat->has_gamma_i734_bug)
+       if (!dispc->feat->has_gamma_i734_bug)
                return;
 
-       gatestate = REG_GET(DISPC_CONFIG, 8, 4);
+       gatestate = REG_GET(dispc, DISPC_CONFIG, 8, 4);
 
        ovli = i734.ovli;
        ovli.paddr = i734_buf.paddr;
        lcd_conf = i734.lcd_conf;
 
        /* Gate all LCD1 outputs */
-       REG_FLD_MOD(DISPC_CONFIG, 0x1f, 8, 4);
+       REG_FLD_MOD(dispc, DISPC_CONFIG, 0x1f, 8, 4);
 
        /* Setup and enable GFX plane */
-       dispc_ovl_setup(&dispc, OMAP_DSS_GFX, &ovli, &i734.vm, false,
+       dispc_ovl_setup(dispc, OMAP_DSS_GFX, &ovli, &i734.vm, false,
                        OMAP_DSS_CHANNEL_LCD);
-       dispc_ovl_enable(&dispc, OMAP_DSS_GFX, true);
+       dispc_ovl_enable(dispc, OMAP_DSS_GFX, true);
 
        /* Set up and enable display manager for LCD1 */
-       dispc_mgr_setup(&dispc, OMAP_DSS_CHANNEL_LCD, &i734.mgri);
-       dispc_calc_clock_rates(&dispc, dss_get_dispc_clk_rate(dispc.dss),
+       dispc_mgr_setup(dispc, OMAP_DSS_CHANNEL_LCD, &i734.mgri);
+       dispc_calc_clock_rates(dispc, dss_get_dispc_clk_rate(dispc->dss),
                               &lcd_conf.clock_info);
-       dispc_mgr_set_lcd_config(&dispc, OMAP_DSS_CHANNEL_LCD, &lcd_conf);
-       dispc_mgr_set_timings(&dispc, OMAP_DSS_CHANNEL_LCD, &i734.vm);
+       dispc_mgr_set_lcd_config(dispc, OMAP_DSS_CHANNEL_LCD, &lcd_conf);
+       dispc_mgr_set_timings(dispc, OMAP_DSS_CHANNEL_LCD, &i734.vm);
 
-       dispc_clear_irqstatus(&dispc, framedone_irq);
+       dispc_clear_irqstatus(dispc, framedone_irq);
 
        /* Enable and shut the channel to produce just one frame */
-       dispc_mgr_enable(&dispc, OMAP_DSS_CHANNEL_LCD, true);
-       dispc_mgr_enable(&dispc, OMAP_DSS_CHANNEL_LCD, false);
+       dispc_mgr_enable(dispc, OMAP_DSS_CHANNEL_LCD, true);
+       dispc_mgr_enable(dispc, OMAP_DSS_CHANNEL_LCD, false);
 
        /* Busy wait for framedone. We can't fiddle with irq handlers
         * in PM resume. Typically the loop runs less than 5 times and
         * waits less than a micro second.
         */
        count = 0;
-       while (!(dispc_read_irqstatus(&dispc) & framedone_irq)) {
+       while (!(dispc_read_irqstatus(dispc) & framedone_irq)) {
                if (count++ > 10000) {
-                       dev_err(&dispc.pdev->dev, "%s: framedone timeout\n",
+                       dev_err(&dispc->pdev->dev, "%s: framedone timeout\n",
                                __func__);
                        break;
                }
        }
-       dispc_ovl_enable(&dispc, OMAP_DSS_GFX, false);
+       dispc_ovl_enable(dispc, OMAP_DSS_GFX, false);
 
        /* Clear all irq bits before continuing */
-       dispc_clear_irqstatus(&dispc, 0xffffffff);
+       dispc_clear_irqstatus(dispc, 0xffffffff);
 
        /* Restore the original state to LCD1 output gates */
-       REG_FLD_MOD(DISPC_CONFIG, gatestate, 8, 4);
+       REG_FLD_MOD(dispc, DISPC_CONFIG, gatestate, 8, 4);
 }
 
 static const struct dispc_ops dispc_ops = {
@@ -4583,15 +4707,21 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
        struct platform_device *pdev = to_platform_device(dev);
        const struct soc_device_attribute *soc;
        struct dss_device *dss = dss_get_device(master);
+       struct dispc_device *dispc;
        u32 rev;
        int r = 0;
        struct resource *dispc_mem;
        struct device_node *np = pdev->dev.of_node;
 
-       dispc.pdev = pdev;
-       dispc.dss = dss;
+       dispc = kzalloc(sizeof(*dispc), GFP_KERNEL);
+       if (!dispc)
+               return -ENOMEM;
+
+       dispc->pdev = pdev;
+       platform_set_drvdata(pdev, dispc);
+       dispc->dss = dss;
 
-       spin_lock_init(&dispc.control_lock);
+       spin_lock_init(&dispc->control_lock);
 
        /*
         * The OMAP3-based models can't be told apart using the compatible
@@ -4599,82 +4729,92 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
         */
        soc = soc_device_match(dispc_soc_devices);
        if (soc)
-               dispc.feat = soc->data;
+               dispc->feat = soc->data;
        else
-               dispc.feat = of_match_device(dispc_of_match, &pdev->dev)->data;
+               dispc->feat = of_match_device(dispc_of_match, &pdev->dev)->data;
 
-       r = dispc_errata_i734_wa_init();
+       r = dispc_errata_i734_wa_init(dispc);
        if (r)
-               return r;
+               goto err_free;
 
-       dispc_mem = platform_get_resource(dispc.pdev, IORESOURCE_MEM, 0);
-       dispc.base = devm_ioremap_resource(&pdev->dev, dispc_mem);
-       if (IS_ERR(dispc.base))
-               return PTR_ERR(dispc.base);
+       dispc_mem = platform_get_resource(dispc->pdev, IORESOURCE_MEM, 0);
+       dispc->base = devm_ioremap_resource(&pdev->dev, dispc_mem);
+       if (IS_ERR(dispc->base)) {
+               r = PTR_ERR(dispc->base);
+               goto err_free;
+       }
 
-       dispc.irq = platform_get_irq(dispc.pdev, 0);
-       if (dispc.irq < 0) {
+       dispc->irq = platform_get_irq(dispc->pdev, 0);
+       if (dispc->irq < 0) {
                DSSERR("platform_get_irq failed\n");
-               return -ENODEV;
+               r = -ENODEV;
+               goto err_free;
        }
 
        if (np && of_property_read_bool(np, "syscon-pol")) {
-               dispc.syscon_pol = syscon_regmap_lookup_by_phandle(np, "syscon-pol");
-               if (IS_ERR(dispc.syscon_pol)) {
+               dispc->syscon_pol = syscon_regmap_lookup_by_phandle(np, "syscon-pol");
+               if (IS_ERR(dispc->syscon_pol)) {
                        dev_err(&pdev->dev, "failed to get syscon-pol regmap\n");
-                       return PTR_ERR(dispc.syscon_pol);
+                       r = PTR_ERR(dispc->syscon_pol);
+                       goto err_free;
                }
 
                if (of_property_read_u32_index(np, "syscon-pol", 1,
-                               &dispc.syscon_pol_offset)) {
+                               &dispc->syscon_pol_offset)) {
                        dev_err(&pdev->dev, "failed to get syscon-pol offset\n");
-                       return -EINVAL;
+                       r = -EINVAL;
+                       goto err_free;
                }
        }
 
-       r = dispc_init_gamma_tables();
+       r = dispc_init_gamma_tables(dispc);
        if (r)
-               return r;
+               goto err_free;
 
        pm_runtime_enable(&pdev->dev);
 
-       r = dispc_runtime_get(&dispc);
+       r = dispc_runtime_get(dispc);
        if (r)
                goto err_runtime_get;
 
-       _omap_dispc_initial_config();
+       _omap_dispc_initial_config(dispc);
 
-       rev = dispc_read_reg(DISPC_REVISION);
+       rev = dispc_read_reg(dispc, DISPC_REVISION);
        dev_dbg(&pdev->dev, "OMAP DISPC rev %d.%d\n",
               FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
 
-       dispc_runtime_put(&dispc);
+       dispc_runtime_put(dispc);
 
-       dss->dispc = &dispc;
+       dss->dispc = dispc;
        dss->dispc_ops = &dispc_ops;
 
-       dispc.debugfs = dss_debugfs_create_file(dss, "dispc", dispc_dump_regs,
-                                               &dispc);
+       dispc->debugfs = dss_debugfs_create_file(dss, "dispc", dispc_dump_regs,
+                                                dispc);
 
        return 0;
 
 err_runtime_get:
        pm_runtime_disable(&pdev->dev);
+err_free:
+       kfree(dispc);
        return r;
 }
 
 static void dispc_unbind(struct device *dev, struct device *master, void *data)
 {
-       struct dss_device *dss = dispc.dss;
+       struct dispc_device *dispc = dev_get_drvdata(dev);
+       struct dss_device *dss = dispc->dss;
 
-       dss_debugfs_remove_file(dispc.debugfs);
+       dss_debugfs_remove_file(dispc->debugfs);
 
        dss->dispc = NULL;
        dss->dispc_ops = NULL;
 
        pm_runtime_disable(dev);
 
-       dispc_errata_i734_wa_fini();
+       dispc_errata_i734_wa_fini(dispc);
+
+       kfree(dispc);
 }
 
 static const struct component_ops dispc_component_ops = {
@@ -4695,36 +4835,40 @@ static int dispc_remove(struct platform_device *pdev)
 
 static int dispc_runtime_suspend(struct device *dev)
 {
-       dispc.is_enabled = false;
+       struct dispc_device *dispc = dev_get_drvdata(dev);
+
+       dispc->is_enabled = false;
        /* ensure the dispc_irq_handler sees the is_enabled value */
        smp_wmb();
        /* wait for current handler to finish before turning the DISPC off */
-       synchronize_irq(dispc.irq);
+       synchronize_irq(dispc->irq);
 
-       dispc_save_context();
+       dispc_save_context(dispc);
 
        return 0;
 }
 
 static int dispc_runtime_resume(struct device *dev)
 {
+       struct dispc_device *dispc = dev_get_drvdata(dev);
+
        /*
         * The reset value for load mode is 0 (OMAP_DSS_LOAD_CLUT_AND_FRAME)
         * but we always initialize it to 2 (OMAP_DSS_LOAD_FRAME_ONLY) in
         * _omap_dispc_initial_config(). We can thus use it to detect if
         * we have lost register context.
         */
-       if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) {
-               _omap_dispc_initial_config();
+       if (REG_GET(dispc, DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) {
+               _omap_dispc_initial_config(dispc);
 
-               dispc_errata_i734_wa();
+               dispc_errata_i734_wa(dispc);
 
-               dispc_restore_context();
+               dispc_restore_context(dispc);
 
-               dispc_restore_gamma_tables();
+               dispc_restore_gamma_tables(dispc);
        }
 
-       dispc.is_enabled = true;
+       dispc->is_enabled = true;
        /* ensure the dispc_irq_handler sees the is_enabled value */
        smp_wmb();