1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
4 * Author:Mark Yao <mark.yao@rock-chips.com>
8 #include <linux/component.h>
9 #include <linux/delay.h>
10 #include <linux/iopoll.h>
11 #include <linux/kernel.h>
12 #include <linux/log2.h>
13 #include <linux/module.h>
15 #include <linux/of_device.h>
16 #include <linux/overflow.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_runtime.h>
19 #include <linux/reset.h>
22 #include <drm/drm_atomic.h>
23 #include <drm/drm_atomic_uapi.h>
24 #include <drm/drm_blend.h>
25 #include <drm/drm_crtc.h>
26 #include <drm/drm_flip_work.h>
27 #include <drm/drm_fourcc.h>
28 #include <drm/drm_framebuffer.h>
29 #include <drm/drm_gem_atomic_helper.h>
30 #include <drm/drm_gem_framebuffer_helper.h>
31 #include <drm/drm_probe_helper.h>
32 #include <drm/drm_self_refresh_helper.h>
33 #include <drm/drm_vblank.h>
35 #ifdef CONFIG_DRM_ANALOGIX_DP
36 #include <drm/bridge/analogix_dp.h>
39 #include "rockchip_drm_drv.h"
40 #include "rockchip_drm_gem.h"
41 #include "rockchip_drm_fb.h"
42 #include "rockchip_drm_vop.h"
43 #include "rockchip_rgb.h"
45 #define VOP_WIN_SET(vop, win, name, v) \
46 vop_reg_set(vop, &win->phy->name, win->base, ~0, v, #name)
47 #define VOP_SCL_SET(vop, win, name, v) \
48 vop_reg_set(vop, &win->phy->scl->name, win->base, ~0, v, #name)
49 #define VOP_SCL_SET_EXT(vop, win, name, v) \
50 vop_reg_set(vop, &win->phy->scl->ext->name, \
51 win->base, ~0, v, #name)
53 #define VOP_WIN_YUV2YUV_SET(vop, win_yuv2yuv, name, v) \
55 if (win_yuv2yuv && win_yuv2yuv->name.mask) \
56 vop_reg_set(vop, &win_yuv2yuv->name, 0, ~0, v, #name); \
59 #define VOP_WIN_YUV2YUV_COEFFICIENT_SET(vop, win_yuv2yuv, name, v) \
61 if (win_yuv2yuv && win_yuv2yuv->phy->name.mask) \
62 vop_reg_set(vop, &win_yuv2yuv->phy->name, win_yuv2yuv->base, ~0, v, #name); \
65 #define VOP_INTR_SET_MASK(vop, name, mask, v) \
66 vop_reg_set(vop, &vop->data->intr->name, 0, mask, v, #name)
68 #define VOP_REG_SET(vop, group, name, v) \
69 vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name)
71 #define VOP_HAS_REG(vop, group, name) \
72 (!!(vop->data->group->name.mask))
74 #define VOP_INTR_SET_TYPE(vop, name, type, v) \
76 int i, reg = 0, mask = 0; \
77 for (i = 0; i < vop->data->intr->nintrs; i++) { \
78 if (vop->data->intr->intrs[i] & type) { \
83 VOP_INTR_SET_MASK(vop, name, mask, reg); \
85 #define VOP_INTR_GET_TYPE(vop, name, type) \
86 vop_get_intr_type(vop, &vop->data->intr->name, type)
88 #define VOP_WIN_GET(vop, win, name) \
89 vop_read_reg(vop, win->base, &win->phy->name)
91 #define VOP_WIN_HAS_REG(win, name) \
92 (!!(win->phy->name.mask))
94 #define VOP_WIN_GET_YRGBADDR(vop, win) \
95 vop_readl(vop, win->base + win->phy->yrgb_mst.offset)
97 #define VOP_WIN_TO_INDEX(vop_win) \
98 ((vop_win) - (vop_win)->vop->win)
100 #define VOP_AFBC_SET(vop, name, v) \
102 if ((vop)->data->afbc) \
103 vop_reg_set((vop), &(vop)->data->afbc->name, \
107 #define to_vop(x) container_of(x, struct vop, crtc)
108 #define to_vop_win(x) container_of(x, struct vop_win, base)
110 #define AFBC_FMT_RGB565 0x0
111 #define AFBC_FMT_U8U8U8U8 0x5
112 #define AFBC_FMT_U8U8U8 0x4
114 #define AFBC_TILE_16x16 BIT(4)
117 * The coefficients of the following matrix are all fixed points.
118 * The format is S2.10 for the 3x3 part of the matrix, and S9.12 for the offsets.
119 * They are all represented in two's complement.
121 static const uint32_t bt601_yuv2rgb[] = {
123 0x4A8, 0x1E6F, 0x1CBF,
125 0x321168, 0x0877CF, 0x2EB127
129 VOP_PENDING_FB_UNREF,
133 struct drm_plane base;
134 const struct vop_win_data *data;
135 const struct vop_win_yuv2yuv_data *yuv2yuv_data;
141 struct drm_crtc crtc;
143 struct drm_device *drm_dev;
146 struct completion dsp_hold_completion;
147 unsigned int win_enabled;
149 /* protected by dev->event_lock */
150 struct drm_pending_vblank_event *event;
152 struct drm_flip_work fb_unref_work;
153 unsigned long pending;
155 struct completion line_flag_completion;
157 const struct vop_data *data;
161 void __iomem *lut_regs;
163 /* physical map length of vop register */
166 /* one time only one process allowed to config the register */
168 /* lock vop irq reg */
170 /* protects crtc enable/disable */
171 struct mutex vop_lock;
179 /* vop share memory frequency */
183 struct reset_control *dclk_rst;
185 /* optional internal rgb encoder */
186 struct rockchip_rgb *rgb;
188 struct vop_win win[];
191 static inline uint32_t vop_readl(struct vop *vop, uint32_t offset)
193 return readl(vop->regs + offset);
196 static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base,
197 const struct vop_reg *reg)
199 return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask;
202 static void vop_reg_set(struct vop *vop, const struct vop_reg *reg,
203 uint32_t _offset, uint32_t _mask, uint32_t v,
204 const char *reg_name)
206 int offset, mask, shift;
208 if (!reg || !reg->mask) {
209 DRM_DEV_DEBUG(vop->dev, "Warning: not support %s\n", reg_name);
213 offset = reg->offset + _offset;
214 mask = reg->mask & _mask;
217 if (reg->write_mask) {
218 v = ((v << shift) & 0xffff) | (mask << (shift + 16));
220 uint32_t cached_val = vop->regsbak[offset >> 2];
222 v = (cached_val & ~(mask << shift)) | ((v & mask) << shift);
223 vop->regsbak[offset >> 2] = v;
227 writel_relaxed(v, vop->regs + offset);
229 writel(v, vop->regs + offset);
232 static inline uint32_t vop_get_intr_type(struct vop *vop,
233 const struct vop_reg *reg, int type)
236 uint32_t regs = vop_read_reg(vop, 0, reg);
238 for (i = 0; i < vop->data->intr->nintrs; i++) {
239 if ((type & vop->data->intr->intrs[i]) && (regs & 1 << i))
240 ret |= vop->data->intr->intrs[i];
246 static inline void vop_cfg_done(struct vop *vop)
248 VOP_REG_SET(vop, common, cfg_done, 1);
251 static bool has_rb_swapped(uint32_t format)
254 case DRM_FORMAT_XBGR8888:
255 case DRM_FORMAT_ABGR8888:
256 case DRM_FORMAT_BGR888:
257 case DRM_FORMAT_BGR565:
264 static bool has_uv_swapped(uint32_t format)
267 case DRM_FORMAT_NV21:
268 case DRM_FORMAT_NV61:
269 case DRM_FORMAT_NV42:
276 static enum vop_data_format vop_convert_format(uint32_t format)
279 case DRM_FORMAT_XRGB8888:
280 case DRM_FORMAT_ARGB8888:
281 case DRM_FORMAT_XBGR8888:
282 case DRM_FORMAT_ABGR8888:
283 return VOP_FMT_ARGB8888;
284 case DRM_FORMAT_RGB888:
285 case DRM_FORMAT_BGR888:
286 return VOP_FMT_RGB888;
287 case DRM_FORMAT_RGB565:
288 case DRM_FORMAT_BGR565:
289 return VOP_FMT_RGB565;
290 case DRM_FORMAT_NV12:
291 case DRM_FORMAT_NV21:
292 return VOP_FMT_YUV420SP;
293 case DRM_FORMAT_NV16:
294 case DRM_FORMAT_NV61:
295 return VOP_FMT_YUV422SP;
296 case DRM_FORMAT_NV24:
297 case DRM_FORMAT_NV42:
298 return VOP_FMT_YUV444SP;
300 DRM_ERROR("unsupported format[%08x]\n", format);
305 static int vop_convert_afbc_format(uint32_t format)
308 case DRM_FORMAT_XRGB8888:
309 case DRM_FORMAT_ARGB8888:
310 case DRM_FORMAT_XBGR8888:
311 case DRM_FORMAT_ABGR8888:
312 return AFBC_FMT_U8U8U8U8;
313 case DRM_FORMAT_RGB888:
314 case DRM_FORMAT_BGR888:
315 return AFBC_FMT_U8U8U8;
316 case DRM_FORMAT_RGB565:
317 case DRM_FORMAT_BGR565:
318 return AFBC_FMT_RGB565;
320 DRM_DEBUG_KMS("unsupported AFBC format[%08x]\n", format);
325 static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
326 uint32_t dst, bool is_horizontal,
327 int vsu_mode, int *vskiplines)
329 uint16_t val = 1 << SCL_FT_DEFAULT_FIXPOINT_SHIFT;
335 if (mode == SCALE_UP)
336 val = GET_SCL_FT_BIC(src, dst);
337 else if (mode == SCALE_DOWN)
338 val = GET_SCL_FT_BILI_DN(src, dst);
340 if (mode == SCALE_UP) {
341 if (vsu_mode == SCALE_UP_BIL)
342 val = GET_SCL_FT_BILI_UP(src, dst);
344 val = GET_SCL_FT_BIC(src, dst);
345 } else if (mode == SCALE_DOWN) {
347 *vskiplines = scl_get_vskiplines(src, dst);
348 val = scl_get_bili_dn_vskip(src, dst,
351 val = GET_SCL_FT_BILI_DN(src, dst);
359 static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win,
360 uint32_t src_w, uint32_t src_h, uint32_t dst_w,
361 uint32_t dst_h, const struct drm_format_info *info)
363 uint16_t yrgb_hor_scl_mode, yrgb_ver_scl_mode;
364 uint16_t cbcr_hor_scl_mode = SCALE_NONE;
365 uint16_t cbcr_ver_scl_mode = SCALE_NONE;
367 uint16_t cbcr_src_w = src_w / info->hsub;
368 uint16_t cbcr_src_h = src_h / info->vsub;
378 DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n");
382 if (!win->phy->scl->ext) {
383 VOP_SCL_SET(vop, win, scale_yrgb_x,
384 scl_cal_scale2(src_w, dst_w));
385 VOP_SCL_SET(vop, win, scale_yrgb_y,
386 scl_cal_scale2(src_h, dst_h));
388 VOP_SCL_SET(vop, win, scale_cbcr_x,
389 scl_cal_scale2(cbcr_src_w, dst_w));
390 VOP_SCL_SET(vop, win, scale_cbcr_y,
391 scl_cal_scale2(cbcr_src_h, dst_h));
396 yrgb_hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
397 yrgb_ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
400 cbcr_hor_scl_mode = scl_get_scl_mode(cbcr_src_w, dst_w);
401 cbcr_ver_scl_mode = scl_get_scl_mode(cbcr_src_h, dst_h);
402 if (cbcr_hor_scl_mode == SCALE_DOWN)
403 lb_mode = scl_vop_cal_lb_mode(dst_w, true);
405 lb_mode = scl_vop_cal_lb_mode(cbcr_src_w, true);
407 if (yrgb_hor_scl_mode == SCALE_DOWN)
408 lb_mode = scl_vop_cal_lb_mode(dst_w, false);
410 lb_mode = scl_vop_cal_lb_mode(src_w, false);
413 VOP_SCL_SET_EXT(vop, win, lb_mode, lb_mode);
414 if (lb_mode == LB_RGB_3840X2) {
415 if (yrgb_ver_scl_mode != SCALE_NONE) {
416 DRM_DEV_ERROR(vop->dev, "not allow yrgb ver scale\n");
419 if (cbcr_ver_scl_mode != SCALE_NONE) {
420 DRM_DEV_ERROR(vop->dev, "not allow cbcr ver scale\n");
423 vsu_mode = SCALE_UP_BIL;
424 } else if (lb_mode == LB_RGB_2560X4) {
425 vsu_mode = SCALE_UP_BIL;
427 vsu_mode = SCALE_UP_BIC;
430 val = scl_vop_cal_scale(yrgb_hor_scl_mode, src_w, dst_w,
432 VOP_SCL_SET(vop, win, scale_yrgb_x, val);
433 val = scl_vop_cal_scale(yrgb_ver_scl_mode, src_h, dst_h,
434 false, vsu_mode, &vskiplines);
435 VOP_SCL_SET(vop, win, scale_yrgb_y, val);
437 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt4, vskiplines == 4);
438 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt2, vskiplines == 2);
440 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, yrgb_hor_scl_mode);
441 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, yrgb_ver_scl_mode);
442 VOP_SCL_SET_EXT(vop, win, yrgb_hsd_mode, SCALE_DOWN_BIL);
443 VOP_SCL_SET_EXT(vop, win, yrgb_vsd_mode, SCALE_DOWN_BIL);
444 VOP_SCL_SET_EXT(vop, win, yrgb_vsu_mode, vsu_mode);
446 val = scl_vop_cal_scale(cbcr_hor_scl_mode, cbcr_src_w,
447 dst_w, true, 0, NULL);
448 VOP_SCL_SET(vop, win, scale_cbcr_x, val);
449 val = scl_vop_cal_scale(cbcr_ver_scl_mode, cbcr_src_h,
450 dst_h, false, vsu_mode, &vskiplines);
451 VOP_SCL_SET(vop, win, scale_cbcr_y, val);
453 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt4, vskiplines == 4);
454 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt2, vskiplines == 2);
455 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, cbcr_hor_scl_mode);
456 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, cbcr_ver_scl_mode);
457 VOP_SCL_SET_EXT(vop, win, cbcr_hsd_mode, SCALE_DOWN_BIL);
458 VOP_SCL_SET_EXT(vop, win, cbcr_vsd_mode, SCALE_DOWN_BIL);
459 VOP_SCL_SET_EXT(vop, win, cbcr_vsu_mode, vsu_mode);
463 static void vop_dsp_hold_valid_irq_enable(struct vop *vop)
467 if (WARN_ON(!vop->is_enabled))
470 spin_lock_irqsave(&vop->irq_lock, flags);
472 VOP_INTR_SET_TYPE(vop, clear, DSP_HOLD_VALID_INTR, 1);
473 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 1);
475 spin_unlock_irqrestore(&vop->irq_lock, flags);
478 static void vop_dsp_hold_valid_irq_disable(struct vop *vop)
482 if (WARN_ON(!vop->is_enabled))
485 spin_lock_irqsave(&vop->irq_lock, flags);
487 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 0);
489 spin_unlock_irqrestore(&vop->irq_lock, flags);
493 * (1) each frame starts at the start of the Vsync pulse which is signaled by
494 * the "FRAME_SYNC" interrupt.
495 * (2) the active data region of each frame ends at dsp_vact_end
496 * (3) we should program this same number (dsp_vact_end) into dsp_line_frag_num,
497 * to get "LINE_FLAG" interrupt at the end of the active on screen data.
499 * VOP_INTR_CTRL0.dsp_line_frag_num = VOP_DSP_VACT_ST_END.dsp_vact_end
501 * LINE_FLAG -------------------------------+
505 * | Vsync | Vbp | Vactive | Vfp |
509 * dsp_vs_end ------------+ | | | VOP_DSP_VTOTAL_VS_END
510 * dsp_vact_start --------------+ | | VOP_DSP_VACT_ST_END
511 * dsp_vact_end ----------------------------+ | VOP_DSP_VACT_ST_END
512 * dsp_total -------------------------------------+ VOP_DSP_VTOTAL_VS_END
514 static bool vop_line_flag_irq_is_enabled(struct vop *vop)
516 uint32_t line_flag_irq;
519 spin_lock_irqsave(&vop->irq_lock, flags);
521 line_flag_irq = VOP_INTR_GET_TYPE(vop, enable, LINE_FLAG_INTR);
523 spin_unlock_irqrestore(&vop->irq_lock, flags);
525 return !!line_flag_irq;
528 static void vop_line_flag_irq_enable(struct vop *vop)
532 if (WARN_ON(!vop->is_enabled))
535 spin_lock_irqsave(&vop->irq_lock, flags);
537 VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
538 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
540 spin_unlock_irqrestore(&vop->irq_lock, flags);
543 static void vop_line_flag_irq_disable(struct vop *vop)
547 if (WARN_ON(!vop->is_enabled))
550 spin_lock_irqsave(&vop->irq_lock, flags);
552 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 0);
554 spin_unlock_irqrestore(&vop->irq_lock, flags);
557 static int vop_core_clks_enable(struct vop *vop)
561 ret = clk_enable(vop->hclk);
565 ret = clk_enable(vop->aclk);
567 goto err_disable_hclk;
572 clk_disable(vop->hclk);
576 static void vop_core_clks_disable(struct vop *vop)
578 clk_disable(vop->aclk);
579 clk_disable(vop->hclk);
582 static void vop_win_disable(struct vop *vop, const struct vop_win *vop_win)
584 const struct vop_win_data *win = vop_win->data;
586 if (win->phy->scl && win->phy->scl->ext) {
587 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE);
588 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE);
589 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE);
590 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE);
593 VOP_WIN_SET(vop, win, enable, 0);
594 vop->win_enabled &= ~BIT(VOP_WIN_TO_INDEX(vop_win));
597 static int vop_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
599 struct vop *vop = to_vop(crtc);
602 ret = pm_runtime_resume_and_get(vop->dev);
604 DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
608 ret = vop_core_clks_enable(vop);
609 if (WARN_ON(ret < 0))
610 goto err_put_pm_runtime;
612 ret = clk_enable(vop->dclk);
613 if (WARN_ON(ret < 0))
614 goto err_disable_core;
617 * Slave iommu shares power, irq and clock with vop. It was associated
618 * automatically with this master device via common driver code.
619 * Now that we have enabled the clock we attach it to the shared drm
622 ret = rockchip_drm_dma_attach_device(vop->drm_dev, vop->dev);
624 DRM_DEV_ERROR(vop->dev,
625 "failed to attach dma mapping, %d\n", ret);
626 goto err_disable_dclk;
629 spin_lock(&vop->reg_lock);
630 for (i = 0; i < vop->len; i += 4)
631 writel_relaxed(vop->regsbak[i / 4], vop->regs + i);
634 * We need to make sure that all windows are disabled before we
635 * enable the crtc. Otherwise we might try to scan from a destroyed
638 * In the case of enable-after-PSR, we don't need to worry about this
639 * case since the buffer is guaranteed to be valid and disabling the
640 * window will result in screen glitches on PSR exit.
642 if (!old_state || !old_state->self_refresh_active) {
643 for (i = 0; i < vop->data->win_size; i++) {
644 struct vop_win *vop_win = &vop->win[i];
646 vop_win_disable(vop, vop_win);
650 if (vop->data->afbc) {
651 struct rockchip_crtc_state *s;
653 * Disable AFBC and forget there was a vop window with AFBC
655 VOP_AFBC_SET(vop, enable, 0);
656 s = to_rockchip_crtc_state(crtc->state);
657 s->enable_afbc = false;
662 spin_unlock(&vop->reg_lock);
665 * At here, vop clock & iommu is enable, R/W vop regs would be safe.
667 vop->is_enabled = true;
669 spin_lock(&vop->reg_lock);
671 VOP_REG_SET(vop, common, standby, 1);
673 spin_unlock(&vop->reg_lock);
675 drm_crtc_vblank_on(crtc);
680 clk_disable(vop->dclk);
682 vop_core_clks_disable(vop);
684 pm_runtime_put_sync(vop->dev);
688 static void rockchip_drm_set_win_enabled(struct drm_crtc *crtc, bool enabled)
690 struct vop *vop = to_vop(crtc);
693 spin_lock(&vop->reg_lock);
695 for (i = 0; i < vop->data->win_size; i++) {
696 struct vop_win *vop_win = &vop->win[i];
697 const struct vop_win_data *win = vop_win->data;
699 VOP_WIN_SET(vop, win, enable,
700 enabled && (vop->win_enabled & BIT(i)));
704 spin_unlock(&vop->reg_lock);
707 static void vop_crtc_atomic_disable(struct drm_crtc *crtc,
708 struct drm_atomic_state *state)
710 struct vop *vop = to_vop(crtc);
714 if (crtc->state->self_refresh_active)
715 rockchip_drm_set_win_enabled(crtc, false);
717 if (crtc->state->self_refresh_active)
720 mutex_lock(&vop->vop_lock);
722 drm_crtc_vblank_off(crtc);
725 * Vop standby will take effect at end of current frame,
726 * if dsp hold valid irq happen, it means standby complete.
728 * we must wait standby complete when we want to disable aclk,
729 * if not, memory bus maybe dead.
731 reinit_completion(&vop->dsp_hold_completion);
732 vop_dsp_hold_valid_irq_enable(vop);
734 spin_lock(&vop->reg_lock);
736 VOP_REG_SET(vop, common, standby, 1);
738 spin_unlock(&vop->reg_lock);
740 if (!wait_for_completion_timeout(&vop->dsp_hold_completion,
741 msecs_to_jiffies(200)))
742 WARN(1, "%s: timed out waiting for DSP hold", crtc->name);
744 vop_dsp_hold_valid_irq_disable(vop);
746 vop->is_enabled = false;
749 * vop standby complete, so iommu detach is safe.
751 rockchip_drm_dma_detach_device(vop->drm_dev, vop->dev);
753 clk_disable(vop->dclk);
754 vop_core_clks_disable(vop);
755 pm_runtime_put(vop->dev);
757 mutex_unlock(&vop->vop_lock);
760 if (crtc->state->event && !crtc->state->active) {
761 spin_lock_irq(&crtc->dev->event_lock);
762 drm_crtc_send_vblank_event(crtc, crtc->state->event);
763 spin_unlock_irq(&crtc->dev->event_lock);
765 crtc->state->event = NULL;
769 static void vop_plane_destroy(struct drm_plane *plane)
771 drm_plane_cleanup(plane);
774 static inline bool rockchip_afbc(u64 modifier)
776 return modifier == ROCKCHIP_AFBC_MOD;
779 static bool rockchip_mod_supported(struct drm_plane *plane,
780 u32 format, u64 modifier)
782 if (modifier == DRM_FORMAT_MOD_LINEAR)
785 if (!rockchip_afbc(modifier)) {
786 DRM_DEBUG_KMS("Unsupported format modifier 0x%llx\n", modifier);
791 return vop_convert_afbc_format(format) >= 0;
794 static int vop_plane_atomic_check(struct drm_plane *plane,
795 struct drm_atomic_state *state)
797 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
799 struct drm_crtc *crtc = new_plane_state->crtc;
800 struct drm_crtc_state *crtc_state;
801 struct drm_framebuffer *fb = new_plane_state->fb;
802 struct vop_win *vop_win = to_vop_win(plane);
803 const struct vop_win_data *win = vop_win->data;
805 int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
806 DRM_PLANE_NO_SCALING;
807 int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
808 DRM_PLANE_NO_SCALING;
810 if (!crtc || WARN_ON(!fb))
813 crtc_state = drm_atomic_get_existing_crtc_state(state,
815 if (WARN_ON(!crtc_state))
818 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
819 min_scale, max_scale,
824 if (!new_plane_state->visible)
827 ret = vop_convert_format(fb->format->format);
832 * Src.x1 can be odd when do clip, but yuv plane start point
833 * need align with 2 pixel.
835 if (fb->format->is_yuv && ((new_plane_state->src.x1 >> 16) % 2)) {
836 DRM_DEBUG_KMS("Invalid Source: Yuv format not support odd xpos\n");
840 if (fb->format->is_yuv && new_plane_state->rotation & DRM_MODE_REFLECT_Y) {
841 DRM_DEBUG_KMS("Invalid Source: Yuv format does not support this rotation\n");
845 if (rockchip_afbc(fb->modifier)) {
846 struct vop *vop = to_vop(crtc);
848 if (!vop->data->afbc) {
849 DRM_DEBUG_KMS("vop does not support AFBC\n");
853 ret = vop_convert_afbc_format(fb->format->format);
857 if (new_plane_state->src.x1 || new_plane_state->src.y1) {
858 DRM_DEBUG_KMS("AFBC does not support offset display, " \
859 "xpos=%d, ypos=%d, offset=%d\n",
860 new_plane_state->src.x1, new_plane_state->src.y1,
865 if (new_plane_state->rotation && new_plane_state->rotation != DRM_MODE_ROTATE_0) {
866 DRM_DEBUG_KMS("No rotation support in AFBC, rotation=%d\n",
867 new_plane_state->rotation);
875 static void vop_plane_atomic_disable(struct drm_plane *plane,
876 struct drm_atomic_state *state)
878 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
880 struct vop_win *vop_win = to_vop_win(plane);
881 struct vop *vop = to_vop(old_state->crtc);
883 if (!old_state->crtc)
886 spin_lock(&vop->reg_lock);
888 vop_win_disable(vop, vop_win);
890 spin_unlock(&vop->reg_lock);
893 static void vop_plane_atomic_update(struct drm_plane *plane,
894 struct drm_atomic_state *state)
896 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
898 struct drm_crtc *crtc = new_state->crtc;
899 struct vop_win *vop_win = to_vop_win(plane);
900 const struct vop_win_data *win = vop_win->data;
901 const struct vop_win_yuv2yuv_data *win_yuv2yuv = vop_win->yuv2yuv_data;
902 struct vop *vop = to_vop(new_state->crtc);
903 struct drm_framebuffer *fb = new_state->fb;
904 unsigned int actual_w, actual_h;
905 unsigned int dsp_stx, dsp_sty;
906 uint32_t act_info, dsp_info, dsp_st;
907 struct drm_rect *src = &new_state->src;
908 struct drm_rect *dest = &new_state->dst;
909 struct drm_gem_object *obj, *uv_obj;
910 struct rockchip_gem_object *rk_obj, *rk_uv_obj;
911 unsigned long offset;
914 bool rb_swap, uv_swap;
915 int win_index = VOP_WIN_TO_INDEX(vop_win);
917 int is_yuv = fb->format->is_yuv;
921 * can't update plane when vop is disabled.
926 if (WARN_ON(!vop->is_enabled))
929 if (!new_state->visible) {
930 vop_plane_atomic_disable(plane, state);
935 rk_obj = to_rockchip_obj(obj);
937 actual_w = drm_rect_width(src) >> 16;
938 actual_h = drm_rect_height(src) >> 16;
939 act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
941 dsp_info = (drm_rect_height(dest) - 1) << 16;
942 dsp_info |= (drm_rect_width(dest) - 1) & 0xffff;
944 dsp_stx = dest->x1 + crtc->mode.htotal - crtc->mode.hsync_start;
945 dsp_sty = dest->y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
946 dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
948 offset = (src->x1 >> 16) * fb->format->cpp[0];
949 offset += (src->y1 >> 16) * fb->pitches[0];
950 dma_addr = rk_obj->dma_addr + offset + fb->offsets[0];
953 * For y-mirroring we need to move address
954 * to the beginning of the last line.
956 if (new_state->rotation & DRM_MODE_REFLECT_Y)
957 dma_addr += (actual_h - 1) * fb->pitches[0];
959 format = vop_convert_format(fb->format->format);
961 spin_lock(&vop->reg_lock);
963 if (rockchip_afbc(fb->modifier)) {
964 int afbc_format = vop_convert_afbc_format(fb->format->format);
966 VOP_AFBC_SET(vop, format, afbc_format | AFBC_TILE_16x16);
967 VOP_AFBC_SET(vop, hreg_block_split, 0);
968 VOP_AFBC_SET(vop, win_sel, VOP_WIN_TO_INDEX(vop_win));
969 VOP_AFBC_SET(vop, hdr_ptr, dma_addr);
970 VOP_AFBC_SET(vop, pic_size, act_info);
973 VOP_WIN_SET(vop, win, format, format);
974 VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4));
975 VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
976 VOP_WIN_YUV2YUV_SET(vop, win_yuv2yuv, y2r_en, is_yuv);
977 VOP_WIN_SET(vop, win, y_mir_en,
978 (new_state->rotation & DRM_MODE_REFLECT_Y) ? 1 : 0);
979 VOP_WIN_SET(vop, win, x_mir_en,
980 (new_state->rotation & DRM_MODE_REFLECT_X) ? 1 : 0);
983 int hsub = fb->format->hsub;
984 int vsub = fb->format->vsub;
985 int bpp = fb->format->cpp[1];
988 rk_uv_obj = to_rockchip_obj(uv_obj);
990 offset = (src->x1 >> 16) * bpp / hsub;
991 offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
993 dma_addr = rk_uv_obj->dma_addr + offset + fb->offsets[1];
994 VOP_WIN_SET(vop, win, uv_vir, DIV_ROUND_UP(fb->pitches[1], 4));
995 VOP_WIN_SET(vop, win, uv_mst, dma_addr);
997 for (i = 0; i < NUM_YUV2YUV_COEFFICIENTS; i++) {
998 VOP_WIN_YUV2YUV_COEFFICIENT_SET(vop,
1000 y2r_coefficients[i],
1004 uv_swap = has_uv_swapped(fb->format->format);
1005 VOP_WIN_SET(vop, win, uv_swap, uv_swap);
1009 scl_vop_cal_scl_fac(vop, win, actual_w, actual_h,
1010 drm_rect_width(dest), drm_rect_height(dest),
1013 VOP_WIN_SET(vop, win, act_info, act_info);
1014 VOP_WIN_SET(vop, win, dsp_info, dsp_info);
1015 VOP_WIN_SET(vop, win, dsp_st, dsp_st);
1017 rb_swap = has_rb_swapped(fb->format->format);
1018 VOP_WIN_SET(vop, win, rb_swap, rb_swap);
1021 * Blending win0 with the background color doesn't seem to work
1022 * correctly. We only get the background color, no matter the contents
1023 * of the win0 framebuffer. However, blending pre-multiplied color
1024 * with the default opaque black default background color is a no-op,
1025 * so we can just disable blending to get the correct result.
1027 if (fb->format->has_alpha && win_index > 0) {
1028 VOP_WIN_SET(vop, win, dst_alpha_ctl,
1029 DST_FACTOR_M0(ALPHA_SRC_INVERSE));
1030 val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
1031 SRC_ALPHA_M0(ALPHA_STRAIGHT) |
1032 SRC_BLEND_M0(ALPHA_PER_PIX) |
1033 SRC_ALPHA_CAL_M0(ALPHA_NO_SATURATION) |
1034 SRC_FACTOR_M0(ALPHA_ONE);
1035 VOP_WIN_SET(vop, win, src_alpha_ctl, val);
1037 VOP_WIN_SET(vop, win, alpha_pre_mul, ALPHA_SRC_PRE_MUL);
1038 VOP_WIN_SET(vop, win, alpha_mode, ALPHA_PER_PIX);
1039 VOP_WIN_SET(vop, win, alpha_en, 1);
1041 VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0));
1042 VOP_WIN_SET(vop, win, alpha_en, 0);
1045 VOP_WIN_SET(vop, win, enable, 1);
1046 vop->win_enabled |= BIT(win_index);
1047 spin_unlock(&vop->reg_lock);
1050 static int vop_plane_atomic_async_check(struct drm_plane *plane,
1051 struct drm_atomic_state *state)
1053 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1055 struct vop_win *vop_win = to_vop_win(plane);
1056 const struct vop_win_data *win = vop_win->data;
1057 int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
1058 DRM_PLANE_NO_SCALING;
1059 int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
1060 DRM_PLANE_NO_SCALING;
1061 struct drm_crtc_state *crtc_state;
1063 if (plane != new_plane_state->crtc->cursor)
1069 if (!plane->state->fb)
1073 crtc_state = drm_atomic_get_existing_crtc_state(state,
1074 new_plane_state->crtc);
1075 else /* Special case for asynchronous cursor updates. */
1076 crtc_state = plane->crtc->state;
1078 return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
1079 min_scale, max_scale,
1083 static void vop_plane_atomic_async_update(struct drm_plane *plane,
1084 struct drm_atomic_state *state)
1086 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1088 struct vop *vop = to_vop(plane->state->crtc);
1089 struct drm_framebuffer *old_fb = plane->state->fb;
1091 plane->state->crtc_x = new_state->crtc_x;
1092 plane->state->crtc_y = new_state->crtc_y;
1093 plane->state->crtc_h = new_state->crtc_h;
1094 plane->state->crtc_w = new_state->crtc_w;
1095 plane->state->src_x = new_state->src_x;
1096 plane->state->src_y = new_state->src_y;
1097 plane->state->src_h = new_state->src_h;
1098 plane->state->src_w = new_state->src_w;
1099 swap(plane->state->fb, new_state->fb);
1101 if (vop->is_enabled) {
1102 vop_plane_atomic_update(plane, state);
1103 spin_lock(&vop->reg_lock);
1105 spin_unlock(&vop->reg_lock);
1108 * A scanout can still be occurring, so we can't drop the
1109 * reference to the old framebuffer. To solve this we get a
1110 * reference to old_fb and set a worker to release it later.
1111 * FIXME: if we perform 500 async_update calls before the
1112 * vblank, then we can have 500 different framebuffers waiting
1115 if (old_fb && plane->state->fb != old_fb) {
1116 drm_framebuffer_get(old_fb);
1117 WARN_ON(drm_crtc_vblank_get(plane->state->crtc) != 0);
1118 drm_flip_work_queue(&vop->fb_unref_work, old_fb);
1119 set_bit(VOP_PENDING_FB_UNREF, &vop->pending);
1124 static const struct drm_plane_helper_funcs plane_helper_funcs = {
1125 .atomic_check = vop_plane_atomic_check,
1126 .atomic_update = vop_plane_atomic_update,
1127 .atomic_disable = vop_plane_atomic_disable,
1128 .atomic_async_check = vop_plane_atomic_async_check,
1129 .atomic_async_update = vop_plane_atomic_async_update,
1132 static const struct drm_plane_funcs vop_plane_funcs = {
1133 .update_plane = drm_atomic_helper_update_plane,
1134 .disable_plane = drm_atomic_helper_disable_plane,
1135 .destroy = vop_plane_destroy,
1136 .reset = drm_atomic_helper_plane_reset,
1137 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
1138 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
1139 .format_mod_supported = rockchip_mod_supported,
1142 static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
1144 struct vop *vop = to_vop(crtc);
1145 unsigned long flags;
1147 if (WARN_ON(!vop->is_enabled))
1150 spin_lock_irqsave(&vop->irq_lock, flags);
1152 VOP_INTR_SET_TYPE(vop, clear, FS_INTR, 1);
1153 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 1);
1155 spin_unlock_irqrestore(&vop->irq_lock, flags);
1160 static void vop_crtc_disable_vblank(struct drm_crtc *crtc)
1162 struct vop *vop = to_vop(crtc);
1163 unsigned long flags;
1165 if (WARN_ON(!vop->is_enabled))
1168 spin_lock_irqsave(&vop->irq_lock, flags);
1170 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 0);
1172 spin_unlock_irqrestore(&vop->irq_lock, flags);
1175 static enum drm_mode_status vop_crtc_mode_valid(struct drm_crtc *crtc,
1176 const struct drm_display_mode *mode)
1178 struct vop *vop = to_vop(crtc);
1180 if (vop->data->max_output.width && mode->hdisplay > vop->data->max_output.width)
1181 return MODE_BAD_HVALUE;
1186 static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
1187 const struct drm_display_mode *mode,
1188 struct drm_display_mode *adjusted_mode)
1190 struct vop *vop = to_vop(crtc);
1198 * - DRM works in kHz.
1199 * - Clock framework works in Hz.
1200 * - Rockchip's clock driver picks the clock rate that is the
1201 * same _OR LOWER_ than the one requested.
1205 * 1. Try to set the exact rate first, and confirm the clock framework
1208 * 2. If the clock framework cannot provide the exact rate, we should
1209 * add 999 Hz to the requested rate. That way if the clock we need
1210 * is 60000001 Hz (~60 MHz) and DRM tells us to make 60000 kHz then
1211 * the clock framework will actually give us the right clock.
1213 * 3. Get the clock framework to round the rate for us to tell us
1214 * what it will actually make.
1216 * 4. Store the rounded up rate so that we don't need to worry about
1217 * this in the actual clk_set_rate().
1219 rate = clk_round_rate(vop->dclk, adjusted_mode->clock * 1000);
1220 if (rate / 1000 != adjusted_mode->clock)
1221 rate = clk_round_rate(vop->dclk,
1222 adjusted_mode->clock * 1000 + 999);
1223 adjusted_mode->clock = DIV_ROUND_UP(rate, 1000);
1228 static bool vop_dsp_lut_is_enabled(struct vop *vop)
1230 return vop_read_reg(vop, 0, &vop->data->common->dsp_lut_en);
1233 static u32 vop_lut_buffer_index(struct vop *vop)
1235 return vop_read_reg(vop, 0, &vop->data->common->lut_buffer_index);
1238 static void vop_crtc_write_gamma_lut(struct vop *vop, struct drm_crtc *crtc)
1240 struct drm_color_lut *lut = crtc->state->gamma_lut->data;
1241 unsigned int i, bpc = ilog2(vop->data->lut_size);
1243 for (i = 0; i < crtc->gamma_size; i++) {
1246 word = (drm_color_lut_extract(lut[i].red, bpc) << (2 * bpc)) |
1247 (drm_color_lut_extract(lut[i].green, bpc) << bpc) |
1248 drm_color_lut_extract(lut[i].blue, bpc);
1249 writel(word, vop->lut_regs + i * 4);
1253 static void vop_crtc_gamma_set(struct vop *vop, struct drm_crtc *crtc,
1254 struct drm_crtc_state *old_state)
1256 struct drm_crtc_state *state = crtc->state;
1258 u32 lut_idx, old_idx;
1264 if (!state->gamma_lut || !VOP_HAS_REG(vop, common, update_gamma_lut)) {
1266 * To disable gamma (gamma_lut is null) or to write
1267 * an update to the LUT, clear dsp_lut_en.
1269 spin_lock(&vop->reg_lock);
1270 VOP_REG_SET(vop, common, dsp_lut_en, 0);
1272 spin_unlock(&vop->reg_lock);
1275 * In order to write the LUT to the internal memory,
1276 * we need to first make sure the dsp_lut_en bit is cleared.
1278 ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop,
1279 idle, !idle, 5, 30 * 1000);
1281 DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n");
1285 if (!state->gamma_lut)
1289 * On RK3399 the gamma LUT can updated without clearing dsp_lut_en,
1290 * by setting update_gamma_lut then waiting for lut_buffer_index change
1292 old_idx = vop_lut_buffer_index(vop);
1295 spin_lock(&vop->reg_lock);
1296 vop_crtc_write_gamma_lut(vop, crtc);
1297 VOP_REG_SET(vop, common, dsp_lut_en, 1);
1298 VOP_REG_SET(vop, common, update_gamma_lut, 1);
1300 spin_unlock(&vop->reg_lock);
1302 if (VOP_HAS_REG(vop, common, update_gamma_lut)) {
1303 ret = readx_poll_timeout(vop_lut_buffer_index, vop,
1304 lut_idx, lut_idx != old_idx, 5, 30 * 1000);
1306 DRM_DEV_ERROR(vop->dev, "gamma LUT update timeout!\n");
1311 * update_gamma_lut is auto cleared by HW, but write 0 to clear the bit
1312 * in our backup of the regs.
1314 spin_lock(&vop->reg_lock);
1315 VOP_REG_SET(vop, common, update_gamma_lut, 0);
1316 spin_unlock(&vop->reg_lock);
1320 static void vop_crtc_atomic_begin(struct drm_crtc *crtc,
1321 struct drm_atomic_state *state)
1323 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
1325 struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state,
1327 struct vop *vop = to_vop(crtc);
1330 * Only update GAMMA if the 'active' flag is not changed,
1331 * otherwise it's updated by .atomic_enable.
1333 if (crtc_state->color_mgmt_changed &&
1334 !crtc_state->active_changed)
1335 vop_crtc_gamma_set(vop, crtc, old_crtc_state);
1338 static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
1339 struct drm_atomic_state *state)
1341 struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state,
1343 struct vop *vop = to_vop(crtc);
1344 const struct vop_data *vop_data = vop->data;
1345 struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
1346 struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
1347 u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
1348 u16 hdisplay = adjusted_mode->hdisplay;
1349 u16 htotal = adjusted_mode->htotal;
1350 u16 hact_st = adjusted_mode->htotal - adjusted_mode->hsync_start;
1351 u16 hact_end = hact_st + hdisplay;
1352 u16 vdisplay = adjusted_mode->vdisplay;
1353 u16 vtotal = adjusted_mode->vtotal;
1354 u16 vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
1355 u16 vact_st = adjusted_mode->vtotal - adjusted_mode->vsync_start;
1356 u16 vact_end = vact_st + vdisplay;
1357 uint32_t pin_pol, val;
1358 int dither_bpc = s->output_bpc ? s->output_bpc : 10;
1361 if (old_state && old_state->self_refresh_active) {
1362 drm_crtc_vblank_on(crtc);
1363 rockchip_drm_set_win_enabled(crtc, true);
1367 mutex_lock(&vop->vop_lock);
1369 WARN_ON(vop->event);
1371 ret = vop_enable(crtc, old_state);
1373 mutex_unlock(&vop->vop_lock);
1374 DRM_DEV_ERROR(vop->dev, "Failed to enable vop (%d)\n", ret);
1377 pin_pol = (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) ?
1378 BIT(HSYNC_POSITIVE) : 0;
1379 pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ?
1380 BIT(VSYNC_POSITIVE) : 0;
1381 VOP_REG_SET(vop, output, pin_pol, pin_pol);
1382 VOP_REG_SET(vop, output, mipi_dual_channel_en, 0);
1384 switch (s->output_type) {
1385 case DRM_MODE_CONNECTOR_LVDS:
1386 VOP_REG_SET(vop, output, rgb_dclk_pol, 1);
1387 VOP_REG_SET(vop, output, rgb_pin_pol, pin_pol);
1388 VOP_REG_SET(vop, output, rgb_en, 1);
1390 case DRM_MODE_CONNECTOR_eDP:
1391 VOP_REG_SET(vop, output, edp_dclk_pol, 1);
1392 VOP_REG_SET(vop, output, edp_pin_pol, pin_pol);
1393 VOP_REG_SET(vop, output, edp_en, 1);
1395 case DRM_MODE_CONNECTOR_HDMIA:
1396 VOP_REG_SET(vop, output, hdmi_dclk_pol, 1);
1397 VOP_REG_SET(vop, output, hdmi_pin_pol, pin_pol);
1398 VOP_REG_SET(vop, output, hdmi_en, 1);
1400 case DRM_MODE_CONNECTOR_DSI:
1401 VOP_REG_SET(vop, output, mipi_dclk_pol, 1);
1402 VOP_REG_SET(vop, output, mipi_pin_pol, pin_pol);
1403 VOP_REG_SET(vop, output, mipi_en, 1);
1404 VOP_REG_SET(vop, output, mipi_dual_channel_en,
1405 !!(s->output_flags & ROCKCHIP_OUTPUT_DSI_DUAL));
1407 case DRM_MODE_CONNECTOR_DisplayPort:
1408 VOP_REG_SET(vop, output, dp_dclk_pol, 0);
1409 VOP_REG_SET(vop, output, dp_pin_pol, pin_pol);
1410 VOP_REG_SET(vop, output, dp_en, 1);
1413 DRM_DEV_ERROR(vop->dev, "unsupported connector_type [%d]\n",
1418 * if vop is not support RGB10 output, need force RGB10 to RGB888.
1420 if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
1421 !(vop_data->feature & VOP_FEATURE_OUTPUT_RGB10))
1422 s->output_mode = ROCKCHIP_OUT_MODE_P888;
1424 if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA && dither_bpc <= 8)
1425 VOP_REG_SET(vop, common, pre_dither_down, 1);
1427 VOP_REG_SET(vop, common, pre_dither_down, 0);
1429 if (dither_bpc == 6) {
1430 VOP_REG_SET(vop, common, dither_down_sel, DITHER_DOWN_ALLEGRO);
1431 VOP_REG_SET(vop, common, dither_down_mode, RGB888_TO_RGB666);
1432 VOP_REG_SET(vop, common, dither_down_en, 1);
1434 VOP_REG_SET(vop, common, dither_down_en, 0);
1437 VOP_REG_SET(vop, common, out_mode, s->output_mode);
1439 VOP_REG_SET(vop, modeset, htotal_pw, (htotal << 16) | hsync_len);
1440 val = hact_st << 16;
1442 VOP_REG_SET(vop, modeset, hact_st_end, val);
1443 VOP_REG_SET(vop, modeset, hpost_st_end, val);
1445 VOP_REG_SET(vop, modeset, vtotal_pw, (vtotal << 16) | vsync_len);
1446 val = vact_st << 16;
1448 VOP_REG_SET(vop, modeset, vact_st_end, val);
1449 VOP_REG_SET(vop, modeset, vpost_st_end, val);
1451 VOP_REG_SET(vop, intr, line_flag_num[0], vact_end);
1453 clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
1455 VOP_REG_SET(vop, common, standby, 0);
1456 mutex_unlock(&vop->vop_lock);
1459 * If we have a GAMMA LUT in the state, then let's make sure
1460 * it's updated. We might be coming out of suspend,
1461 * which means the LUT internal memory needs to be re-written.
1463 if (crtc->state->gamma_lut)
1464 vop_crtc_gamma_set(vop, crtc, old_state);
1467 static bool vop_fs_irq_is_pending(struct vop *vop)
1469 return VOP_INTR_GET_TYPE(vop, status, FS_INTR);
1472 static void vop_wait_for_irq_handler(struct vop *vop)
1478 * Spin until frame start interrupt status bit goes low, which means
1479 * that interrupt handler was invoked and cleared it. The timeout of
1480 * 10 msecs is really too long, but it is just a safety measure if
1481 * something goes really wrong. The wait will only happen in the very
1482 * unlikely case of a vblank happening exactly at the same time and
1483 * shouldn't exceed microseconds range.
1485 ret = readx_poll_timeout_atomic(vop_fs_irq_is_pending, vop, pending,
1486 !pending, 0, 10 * 1000);
1488 DRM_DEV_ERROR(vop->dev, "VOP vblank IRQ stuck for 10 ms\n");
1490 synchronize_irq(vop->irq);
1493 static int vop_crtc_atomic_check(struct drm_crtc *crtc,
1494 struct drm_atomic_state *state)
1496 struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
1498 struct vop *vop = to_vop(crtc);
1499 struct drm_plane *plane;
1500 struct drm_plane_state *plane_state;
1501 struct rockchip_crtc_state *s;
1502 int afbc_planes = 0;
1504 if (vop->lut_regs && crtc_state->color_mgmt_changed &&
1505 crtc_state->gamma_lut) {
1508 len = drm_color_lut_size(crtc_state->gamma_lut);
1509 if (len != crtc->gamma_size) {
1510 DRM_DEBUG_KMS("Invalid LUT size; got %d, expected %d\n",
1511 len, crtc->gamma_size);
1516 drm_atomic_crtc_state_for_each_plane(plane, crtc_state) {
1518 drm_atomic_get_plane_state(crtc_state->state, plane);
1519 if (IS_ERR(plane_state)) {
1520 DRM_DEBUG_KMS("Cannot get plane state for plane %s\n",
1522 return PTR_ERR(plane_state);
1525 if (drm_is_afbc(plane_state->fb->modifier))
1529 if (afbc_planes > 1) {
1530 DRM_DEBUG_KMS("Invalid number of AFBC planes; got %d, expected at most 1\n", afbc_planes);
1534 s = to_rockchip_crtc_state(crtc_state);
1535 s->enable_afbc = afbc_planes > 0;
1540 static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
1541 struct drm_atomic_state *state)
1543 struct drm_crtc_state *old_crtc_state = drm_atomic_get_old_crtc_state(state,
1545 struct drm_atomic_state *old_state = old_crtc_state->state;
1546 struct drm_plane_state *old_plane_state, *new_plane_state;
1547 struct vop *vop = to_vop(crtc);
1548 struct drm_plane *plane;
1549 struct rockchip_crtc_state *s;
1552 if (WARN_ON(!vop->is_enabled))
1555 spin_lock(&vop->reg_lock);
1557 /* Enable AFBC if there is some AFBC window, disable otherwise. */
1558 s = to_rockchip_crtc_state(crtc->state);
1559 VOP_AFBC_SET(vop, enable, s->enable_afbc);
1562 spin_unlock(&vop->reg_lock);
1565 * There is a (rather unlikely) possiblity that a vblank interrupt
1566 * fired before we set the cfg_done bit. To avoid spuriously
1567 * signalling flip completion we need to wait for it to finish.
1569 vop_wait_for_irq_handler(vop);
1571 spin_lock_irq(&crtc->dev->event_lock);
1572 if (crtc->state->event) {
1573 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1574 WARN_ON(vop->event);
1576 vop->event = crtc->state->event;
1577 crtc->state->event = NULL;
1579 spin_unlock_irq(&crtc->dev->event_lock);
1581 for_each_oldnew_plane_in_state(old_state, plane, old_plane_state,
1582 new_plane_state, i) {
1583 if (!old_plane_state->fb)
1586 if (old_plane_state->fb == new_plane_state->fb)
1589 drm_framebuffer_get(old_plane_state->fb);
1590 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1591 drm_flip_work_queue(&vop->fb_unref_work, old_plane_state->fb);
1592 set_bit(VOP_PENDING_FB_UNREF, &vop->pending);
1596 static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
1597 .mode_valid = vop_crtc_mode_valid,
1598 .mode_fixup = vop_crtc_mode_fixup,
1599 .atomic_check = vop_crtc_atomic_check,
1600 .atomic_begin = vop_crtc_atomic_begin,
1601 .atomic_flush = vop_crtc_atomic_flush,
1602 .atomic_enable = vop_crtc_atomic_enable,
1603 .atomic_disable = vop_crtc_atomic_disable,
1606 static void vop_crtc_destroy(struct drm_crtc *crtc)
1608 drm_crtc_cleanup(crtc);
1611 static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
1613 struct rockchip_crtc_state *rockchip_state;
1615 if (WARN_ON(!crtc->state))
1618 rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
1619 if (!rockchip_state)
1622 __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base);
1623 return &rockchip_state->base;
1626 static void vop_crtc_destroy_state(struct drm_crtc *crtc,
1627 struct drm_crtc_state *state)
1629 struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
1631 __drm_atomic_helper_crtc_destroy_state(&s->base);
1635 static void vop_crtc_reset(struct drm_crtc *crtc)
1637 struct rockchip_crtc_state *crtc_state =
1638 kzalloc(sizeof(*crtc_state), GFP_KERNEL);
1641 vop_crtc_destroy_state(crtc, crtc->state);
1643 __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
1646 #ifdef CONFIG_DRM_ANALOGIX_DP
1647 static struct drm_connector *vop_get_edp_connector(struct vop *vop)
1649 struct drm_connector *connector;
1650 struct drm_connector_list_iter conn_iter;
1652 drm_connector_list_iter_begin(vop->drm_dev, &conn_iter);
1653 drm_for_each_connector_iter(connector, &conn_iter) {
1654 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1655 drm_connector_list_iter_end(&conn_iter);
1659 drm_connector_list_iter_end(&conn_iter);
1664 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1665 const char *source_name)
1667 struct vop *vop = to_vop(crtc);
1668 struct drm_connector *connector;
1671 connector = vop_get_edp_connector(vop);
1675 if (source_name && strcmp(source_name, "auto") == 0)
1676 ret = analogix_dp_start_crc(connector);
1677 else if (!source_name)
1678 ret = analogix_dp_stop_crc(connector);
1686 vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
1689 if (source_name && strcmp(source_name, "auto") != 0)
1697 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1698 const char *source_name)
1704 vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
1711 static const struct drm_crtc_funcs vop_crtc_funcs = {
1712 .set_config = drm_atomic_helper_set_config,
1713 .page_flip = drm_atomic_helper_page_flip,
1714 .destroy = vop_crtc_destroy,
1715 .reset = vop_crtc_reset,
1716 .atomic_duplicate_state = vop_crtc_duplicate_state,
1717 .atomic_destroy_state = vop_crtc_destroy_state,
1718 .enable_vblank = vop_crtc_enable_vblank,
1719 .disable_vblank = vop_crtc_disable_vblank,
1720 .set_crc_source = vop_crtc_set_crc_source,
1721 .verify_crc_source = vop_crtc_verify_crc_source,
1724 static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)
1726 struct vop *vop = container_of(work, struct vop, fb_unref_work);
1727 struct drm_framebuffer *fb = val;
1729 drm_crtc_vblank_put(&vop->crtc);
1730 drm_framebuffer_put(fb);
1733 static void vop_handle_vblank(struct vop *vop)
1735 struct drm_device *drm = vop->drm_dev;
1736 struct drm_crtc *crtc = &vop->crtc;
1738 spin_lock(&drm->event_lock);
1740 drm_crtc_send_vblank_event(crtc, vop->event);
1741 drm_crtc_vblank_put(crtc);
1744 spin_unlock(&drm->event_lock);
1746 if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending))
1747 drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq);
1750 static irqreturn_t vop_isr(int irq, void *data)
1752 struct vop *vop = data;
1753 struct drm_crtc *crtc = &vop->crtc;
1754 uint32_t active_irqs;
1758 * The irq is shared with the iommu. If the runtime-pm state of the
1759 * vop-device is disabled the irq has to be targeted at the iommu.
1761 if (!pm_runtime_get_if_in_use(vop->dev))
1764 if (vop_core_clks_enable(vop)) {
1765 DRM_DEV_ERROR_RATELIMITED(vop->dev, "couldn't enable clocks\n");
1770 * interrupt register has interrupt status, enable and clear bits, we
1771 * must hold irq_lock to avoid a race with enable/disable_vblank().
1773 spin_lock(&vop->irq_lock);
1775 active_irqs = VOP_INTR_GET_TYPE(vop, status, INTR_MASK);
1776 /* Clear all active interrupt sources */
1778 VOP_INTR_SET_TYPE(vop, clear, active_irqs, 1);
1780 spin_unlock(&vop->irq_lock);
1782 /* This is expected for vop iommu irqs, since the irq is shared */
1786 if (active_irqs & DSP_HOLD_VALID_INTR) {
1787 complete(&vop->dsp_hold_completion);
1788 active_irqs &= ~DSP_HOLD_VALID_INTR;
1792 if (active_irqs & LINE_FLAG_INTR) {
1793 complete(&vop->line_flag_completion);
1794 active_irqs &= ~LINE_FLAG_INTR;
1798 if (active_irqs & FS_INTR) {
1799 drm_crtc_handle_vblank(crtc);
1800 vop_handle_vblank(vop);
1801 active_irqs &= ~FS_INTR;
1805 /* Unhandled irqs are spurious. */
1807 DRM_DEV_ERROR(vop->dev, "Unknown VOP IRQs: %#02x\n",
1811 vop_core_clks_disable(vop);
1813 pm_runtime_put(vop->dev);
1817 static void vop_plane_add_properties(struct drm_plane *plane,
1818 const struct vop_win_data *win_data)
1820 unsigned int flags = 0;
1822 flags |= VOP_WIN_HAS_REG(win_data, x_mir_en) ? DRM_MODE_REFLECT_X : 0;
1823 flags |= VOP_WIN_HAS_REG(win_data, y_mir_en) ? DRM_MODE_REFLECT_Y : 0;
1825 drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
1826 DRM_MODE_ROTATE_0 | flags);
1829 static int vop_create_crtc(struct vop *vop)
1831 const struct vop_data *vop_data = vop->data;
1832 struct device *dev = vop->dev;
1833 struct drm_device *drm_dev = vop->drm_dev;
1834 struct drm_plane *primary = NULL, *cursor = NULL, *plane, *tmp;
1835 struct drm_crtc *crtc = &vop->crtc;
1836 struct device_node *port;
1841 * Create drm_plane for primary and cursor planes first, since we need
1842 * to pass them to drm_crtc_init_with_planes, which sets the
1843 * "possible_crtcs" to the newly initialized crtc.
1845 for (i = 0; i < vop_data->win_size; i++) {
1846 struct vop_win *vop_win = &vop->win[i];
1847 const struct vop_win_data *win_data = vop_win->data;
1849 if (win_data->type != DRM_PLANE_TYPE_PRIMARY &&
1850 win_data->type != DRM_PLANE_TYPE_CURSOR)
1853 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1854 0, &vop_plane_funcs,
1855 win_data->phy->data_formats,
1856 win_data->phy->nformats,
1857 win_data->phy->format_modifiers,
1858 win_data->type, NULL);
1860 DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n",
1862 goto err_cleanup_planes;
1865 plane = &vop_win->base;
1866 drm_plane_helper_add(plane, &plane_helper_funcs);
1867 vop_plane_add_properties(plane, win_data);
1868 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
1870 else if (plane->type == DRM_PLANE_TYPE_CURSOR)
1874 ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
1875 &vop_crtc_funcs, NULL);
1877 goto err_cleanup_planes;
1879 drm_crtc_helper_add(crtc, &vop_crtc_helper_funcs);
1880 if (vop->lut_regs) {
1881 drm_mode_crtc_set_gamma_size(crtc, vop_data->lut_size);
1882 drm_crtc_enable_color_mgmt(crtc, 0, false, vop_data->lut_size);
1886 * Create drm_planes for overlay windows with possible_crtcs restricted
1887 * to the newly created crtc.
1889 for (i = 0; i < vop_data->win_size; i++) {
1890 struct vop_win *vop_win = &vop->win[i];
1891 const struct vop_win_data *win_data = vop_win->data;
1892 unsigned long possible_crtcs = drm_crtc_mask(crtc);
1894 if (win_data->type != DRM_PLANE_TYPE_OVERLAY)
1897 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1900 win_data->phy->data_formats,
1901 win_data->phy->nformats,
1902 win_data->phy->format_modifiers,
1903 win_data->type, NULL);
1905 DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n",
1907 goto err_cleanup_crtc;
1909 drm_plane_helper_add(&vop_win->base, &plane_helper_funcs);
1910 vop_plane_add_properties(&vop_win->base, win_data);
1913 port = of_get_child_by_name(dev->of_node, "port");
1915 DRM_DEV_ERROR(vop->dev, "no port node found in %pOF\n",
1918 goto err_cleanup_crtc;
1921 drm_flip_work_init(&vop->fb_unref_work, "fb_unref",
1922 vop_fb_unref_worker);
1924 init_completion(&vop->dsp_hold_completion);
1925 init_completion(&vop->line_flag_completion);
1928 ret = drm_self_refresh_helper_init(crtc);
1930 DRM_DEV_DEBUG_KMS(vop->dev,
1931 "Failed to init %s with SR helpers %d, ignoring\n",
1937 drm_crtc_cleanup(crtc);
1939 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1941 drm_plane_cleanup(plane);
1945 static void vop_destroy_crtc(struct vop *vop)
1947 struct drm_crtc *crtc = &vop->crtc;
1948 struct drm_device *drm_dev = vop->drm_dev;
1949 struct drm_plane *plane, *tmp;
1951 drm_self_refresh_helper_cleanup(crtc);
1953 of_node_put(crtc->port);
1956 * We need to cleanup the planes now. Why?
1958 * The planes are "&vop->win[i].base". That means the memory is
1959 * all part of the big "struct vop" chunk of memory. That memory
1960 * was devm allocated and associated with this component. We need to
1961 * free it ourselves before vop_unbind() finishes.
1963 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1965 vop_plane_destroy(plane);
1968 * Destroy CRTC after vop_plane_destroy() since vop_disable_plane()
1969 * references the CRTC.
1971 drm_crtc_cleanup(crtc);
1972 drm_flip_work_cleanup(&vop->fb_unref_work);
1975 static int vop_initial(struct vop *vop)
1977 struct reset_control *ahb_rst;
1980 vop->hclk = devm_clk_get(vop->dev, "hclk_vop");
1981 if (IS_ERR(vop->hclk)) {
1982 DRM_DEV_ERROR(vop->dev, "failed to get hclk source\n");
1983 return PTR_ERR(vop->hclk);
1985 vop->aclk = devm_clk_get(vop->dev, "aclk_vop");
1986 if (IS_ERR(vop->aclk)) {
1987 DRM_DEV_ERROR(vop->dev, "failed to get aclk source\n");
1988 return PTR_ERR(vop->aclk);
1990 vop->dclk = devm_clk_get(vop->dev, "dclk_vop");
1991 if (IS_ERR(vop->dclk)) {
1992 DRM_DEV_ERROR(vop->dev, "failed to get dclk source\n");
1993 return PTR_ERR(vop->dclk);
1996 ret = pm_runtime_resume_and_get(vop->dev);
1998 DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
2002 ret = clk_prepare(vop->dclk);
2004 DRM_DEV_ERROR(vop->dev, "failed to prepare dclk\n");
2005 goto err_put_pm_runtime;
2008 /* Enable both the hclk and aclk to setup the vop */
2009 ret = clk_prepare_enable(vop->hclk);
2011 DRM_DEV_ERROR(vop->dev, "failed to prepare/enable hclk\n");
2012 goto err_unprepare_dclk;
2015 ret = clk_prepare_enable(vop->aclk);
2017 DRM_DEV_ERROR(vop->dev, "failed to prepare/enable aclk\n");
2018 goto err_disable_hclk;
2022 * do hclk_reset, reset all vop registers.
2024 ahb_rst = devm_reset_control_get(vop->dev, "ahb");
2025 if (IS_ERR(ahb_rst)) {
2026 DRM_DEV_ERROR(vop->dev, "failed to get ahb reset\n");
2027 ret = PTR_ERR(ahb_rst);
2028 goto err_disable_aclk;
2030 reset_control_assert(ahb_rst);
2031 usleep_range(10, 20);
2032 reset_control_deassert(ahb_rst);
2034 VOP_INTR_SET_TYPE(vop, clear, INTR_MASK, 1);
2035 VOP_INTR_SET_TYPE(vop, enable, INTR_MASK, 0);
2037 for (i = 0; i < vop->len; i += sizeof(u32))
2038 vop->regsbak[i / 4] = readl_relaxed(vop->regs + i);
2040 VOP_REG_SET(vop, misc, global_regdone_en, 1);
2041 VOP_REG_SET(vop, common, dsp_blank, 0);
2043 for (i = 0; i < vop->data->win_size; i++) {
2044 struct vop_win *vop_win = &vop->win[i];
2045 const struct vop_win_data *win = vop_win->data;
2046 int channel = i * 2 + 1;
2048 VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel);
2049 vop_win_disable(vop, vop_win);
2050 VOP_WIN_SET(vop, win, gate, 1);
2056 * do dclk_reset, let all config take affect.
2058 vop->dclk_rst = devm_reset_control_get(vop->dev, "dclk");
2059 if (IS_ERR(vop->dclk_rst)) {
2060 DRM_DEV_ERROR(vop->dev, "failed to get dclk reset\n");
2061 ret = PTR_ERR(vop->dclk_rst);
2062 goto err_disable_aclk;
2064 reset_control_assert(vop->dclk_rst);
2065 usleep_range(10, 20);
2066 reset_control_deassert(vop->dclk_rst);
2068 clk_disable(vop->hclk);
2069 clk_disable(vop->aclk);
2071 vop->is_enabled = false;
2073 pm_runtime_put_sync(vop->dev);
2078 clk_disable_unprepare(vop->aclk);
2080 clk_disable_unprepare(vop->hclk);
2082 clk_unprepare(vop->dclk);
2084 pm_runtime_put_sync(vop->dev);
2089 * Initialize the vop->win array elements.
2091 static void vop_win_init(struct vop *vop)
2093 const struct vop_data *vop_data = vop->data;
2096 for (i = 0; i < vop_data->win_size; i++) {
2097 struct vop_win *vop_win = &vop->win[i];
2098 const struct vop_win_data *win_data = &vop_data->win[i];
2100 vop_win->data = win_data;
2103 if (vop_data->win_yuv2yuv)
2104 vop_win->yuv2yuv_data = &vop_data->win_yuv2yuv[i];
2109 * rockchip_drm_wait_vact_end
2110 * @crtc: CRTC to enable line flag
2111 * @mstimeout: millisecond for timeout
2113 * Wait for vact_end line flag irq or timeout.
2116 * Zero on success, negative errno on failure.
2118 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout)
2120 struct vop *vop = to_vop(crtc);
2121 unsigned long jiffies_left;
2124 if (!crtc || !vop->is_enabled)
2127 mutex_lock(&vop->vop_lock);
2128 if (mstimeout <= 0) {
2133 if (vop_line_flag_irq_is_enabled(vop)) {
2138 reinit_completion(&vop->line_flag_completion);
2139 vop_line_flag_irq_enable(vop);
2141 jiffies_left = wait_for_completion_timeout(&vop->line_flag_completion,
2142 msecs_to_jiffies(mstimeout));
2143 vop_line_flag_irq_disable(vop);
2145 if (jiffies_left == 0) {
2146 DRM_DEV_ERROR(vop->dev, "Timeout waiting for IRQ\n");
2152 mutex_unlock(&vop->vop_lock);
2155 EXPORT_SYMBOL(rockchip_drm_wait_vact_end);
2157 static int vop_bind(struct device *dev, struct device *master, void *data)
2159 struct platform_device *pdev = to_platform_device(dev);
2160 const struct vop_data *vop_data;
2161 struct drm_device *drm_dev = data;
2163 struct resource *res;
2166 vop_data = of_device_get_match_data(dev);
2170 /* Allocate vop struct and its vop_win array */
2171 vop = devm_kzalloc(dev, struct_size(vop, win, vop_data->win_size),
2177 vop->data = vop_data;
2178 vop->drm_dev = drm_dev;
2179 dev_set_drvdata(dev, vop);
2183 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2184 vop->regs = devm_ioremap_resource(dev, res);
2185 if (IS_ERR(vop->regs))
2186 return PTR_ERR(vop->regs);
2187 vop->len = resource_size(res);
2189 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
2191 if (vop_data->lut_size != 1024 && vop_data->lut_size != 256) {
2192 DRM_DEV_ERROR(dev, "unsupported gamma LUT size %d\n", vop_data->lut_size);
2195 vop->lut_regs = devm_ioremap_resource(dev, res);
2196 if (IS_ERR(vop->lut_regs))
2197 return PTR_ERR(vop->lut_regs);
2200 vop->regsbak = devm_kzalloc(dev, vop->len, GFP_KERNEL);
2204 irq = platform_get_irq(pdev, 0);
2206 DRM_DEV_ERROR(dev, "cannot find irq for vop\n");
2209 vop->irq = (unsigned int)irq;
2211 spin_lock_init(&vop->reg_lock);
2212 spin_lock_init(&vop->irq_lock);
2213 mutex_init(&vop->vop_lock);
2215 ret = vop_create_crtc(vop);
2219 pm_runtime_enable(&pdev->dev);
2221 ret = vop_initial(vop);
2223 DRM_DEV_ERROR(&pdev->dev,
2224 "cannot initial vop dev - err %d\n", ret);
2225 goto err_disable_pm_runtime;
2228 ret = devm_request_irq(dev, vop->irq, vop_isr,
2229 IRQF_SHARED, dev_name(dev), vop);
2231 goto err_disable_pm_runtime;
2233 if (vop->data->feature & VOP_FEATURE_INTERNAL_RGB) {
2234 vop->rgb = rockchip_rgb_init(dev, &vop->crtc, vop->drm_dev, 0);
2235 if (IS_ERR(vop->rgb)) {
2236 ret = PTR_ERR(vop->rgb);
2237 goto err_disable_pm_runtime;
2241 rockchip_drm_dma_init_device(drm_dev, dev);
2245 err_disable_pm_runtime:
2246 pm_runtime_disable(&pdev->dev);
2247 vop_destroy_crtc(vop);
2251 static void vop_unbind(struct device *dev, struct device *master, void *data)
2253 struct vop *vop = dev_get_drvdata(dev);
2256 rockchip_rgb_fini(vop->rgb);
2258 pm_runtime_disable(dev);
2259 vop_destroy_crtc(vop);
2261 clk_unprepare(vop->aclk);
2262 clk_unprepare(vop->hclk);
2263 clk_unprepare(vop->dclk);
2266 const struct component_ops vop_component_ops = {
2268 .unbind = vop_unbind,
2270 EXPORT_SYMBOL_GPL(vop_component_ops);