drm/i915: move intel_crtc->fdi_lanes to pipe_config

We need this for two reasons:
- Correct handling of shared fdi lanes on ivb with fastboot.
- Handling fdi link bw limits when we only have two fdi lanes by
  dithering down a bit.

Just search&replace in this patch, no functional change at all.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 0d7cf31..c9c4741 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -181,7 +181,8 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
 
        /* Enable the PCH Receiver FDI PLL */
        rx_ctl_val = dev_priv->fdi_rx_config | FDI_RX_ENHANCE_FRAME_ENABLE |
-                    FDI_RX_PLL_ENABLE | ((intel_crtc->fdi_lanes - 1) << 19);
+                    FDI_RX_PLL_ENABLE |
+                    ((intel_crtc->config.fdi_lanes - 1) << 19);
        I915_WRITE(_FDI_RXA_CTL, rx_ctl_val);
        POSTING_READ(_FDI_RXA_CTL);
        udelay(220);
@@ -209,7 +210,7 @@ void hsw_fdi_link_train(struct drm_crtc *crtc)
                 * port reversal bit */
                I915_WRITE(DDI_BUF_CTL(PORT_E),
                           DDI_BUF_CTL_ENABLE |
-                          ((intel_crtc->fdi_lanes - 1) << 1) |
+                          ((intel_crtc->config.fdi_lanes - 1) << 1) |
                           hsw_ddi_buf_ctl_values[i / 2]);
                POSTING_READ(DDI_BUF_CTL(PORT_E));
 
@@ -1022,7 +1023,7 @@ void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc)
 
        } else if (type == INTEL_OUTPUT_ANALOG) {
                temp |= TRANS_DDI_MODE_SELECT_FDI;
-               temp |= (intel_crtc->fdi_lanes - 1) << 1;
+               temp |= (intel_crtc->config.fdi_lanes - 1) << 1;
 
        } else if (type == INTEL_OUTPUT_DISPLAYPORT ||
                   type == INTEL_OUTPUT_EDP) {

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 983822e..a379977 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2420,7 +2420,7 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
        temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp |= (intel_crtc->config.fdi_lanes - 1) << 19;
        temp &= ~FDI_LINK_TRAIN_NONE;
        temp |= FDI_LINK_TRAIN_PATTERN_1;
        I915_WRITE(reg, temp | FDI_TX_ENABLE);
@@ -2518,7 +2518,7 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
        temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp |= (intel_crtc->config.fdi_lanes - 1) << 19;
        temp &= ~FDI_LINK_TRAIN_NONE;
        temp |= FDI_LINK_TRAIN_PATTERN_1;
        temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -2653,7 +2653,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc)
        reg = FDI_TX_CTL(pipe);
        temp = I915_READ(reg);
        temp &= ~(7 << 19);
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp |= (intel_crtc->config.fdi_lanes - 1) << 19;
        temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB);
        temp |= FDI_LINK_TRAIN_PATTERN_1_IVB;
        temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
@@ -2755,7 +2755,7 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
        reg = FDI_RX_CTL(pipe);
        temp = I915_READ(reg);
        temp &= ~((0x7 << 19) | (0x7 << 16));
-       temp |= (intel_crtc->fdi_lanes - 1) << 19;
+       temp |= (intel_crtc->config.fdi_lanes - 1) << 19;
        temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
        I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
 
@@ -5398,12 +5398,12 @@ static bool ironlake_check_fdi_lanes(struct intel_crtc *intel_crtc)
                to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]);
 
        DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n",
-                     pipe_name(intel_crtc->pipe), intel_crtc->fdi_lanes);
-       if (intel_crtc->fdi_lanes > 4) {
+                     pipe_name(intel_crtc->pipe), intel_crtc->config.fdi_lanes);
+       if (intel_crtc->config.fdi_lanes > 4) {
                DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n",
-                             pipe_name(intel_crtc->pipe), intel_crtc->fdi_lanes);
+                             pipe_name(intel_crtc->pipe), intel_crtc->config.fdi_lanes);
                /* Clamp lanes to avoid programming the hw with bogus values. */
-               intel_crtc->fdi_lanes = 4;
+               intel_crtc->config.fdi_lanes = 4;
 
                return false;
        }
@@ -5416,28 +5416,28 @@ static bool ironlake_check_fdi_lanes(struct intel_crtc *intel_crtc)
                return true;
        case PIPE_B:
                if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled &&
-                   intel_crtc->fdi_lanes > 2) {
+                   intel_crtc->config.fdi_lanes > 2) {
                        DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n",
-                                     pipe_name(intel_crtc->pipe), intel_crtc->fdi_lanes);
+                                     pipe_name(intel_crtc->pipe), intel_crtc->config.fdi_lanes);
                        /* Clamp lanes to avoid programming the hw with bogus values. */
-                       intel_crtc->fdi_lanes = 2;
+                       intel_crtc->config.fdi_lanes = 2;
 
                        return false;
                }
 
-               if (intel_crtc->fdi_lanes > 2)
+               if (intel_crtc->config.fdi_lanes > 2)
                        WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT);
                else
                        cpt_enable_fdi_bc_bifurcation(dev);
 
                return true;
        case PIPE_C:
-               if (!pipe_B_crtc->base.enabled || pipe_B_crtc->fdi_lanes <= 2) {
-                       if (intel_crtc->fdi_lanes > 2) {
+               if (!pipe_B_crtc->base.enabled || pipe_B_crtc->config.fdi_lanes <= 2) {
+                       if (intel_crtc->config.fdi_lanes > 2) {
                                DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n",
-                                             pipe_name(intel_crtc->pipe), intel_crtc->fdi_lanes);
+                                             pipe_name(intel_crtc->pipe), intel_crtc->config.fdi_lanes);
                                /* Clamp lanes to avoid programming the hw with bogus values. */
-                               intel_crtc->fdi_lanes = 2;
+                               intel_crtc->config.fdi_lanes = 2;
 
                                return false;
                        }
@@ -5525,7 +5525,7 @@ static void ironlake_fdi_set_m_n(struct drm_crtc *crtc)
        lane = ironlake_get_lanes_required(target_clock, link_bw,
                                           intel_crtc->config.pipe_bpp);
 
-       intel_crtc->fdi_lanes = lane;
+       intel_crtc->config.fdi_lanes = lane;
 
        if (intel_crtc->config.pixel_multiplier > 1)
                link_bw *= intel_crtc->config.pixel_multiplier;
@@ -5752,7 +5752,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 
        /* Note, this also computes intel_crtc->fdi_lanes which is used below in
         * ironlake_check_fdi_lanes. */
-       intel_crtc->fdi_lanes = 0;
+       intel_crtc->config.fdi_lanes = 0;
        if (intel_crtc->config.has_pch_encoder)
                ironlake_fdi_set_m_n(crtc);
 

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a8c6960..cc075a3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -249,6 +249,9 @@ struct intel_crtc_config {
                u32 pos;
                u32 size;
        } pch_pfit;
+
+       /* FDI lanes used, only valid if has_pch_encoder is set. */
+       int fdi_lanes;
 };
 
 struct intel_crtc {
@@ -267,7 +270,6 @@ struct intel_crtc {
        bool lowfreq_avail;
        struct intel_overlay *overlay;
        struct intel_unpin_work *unpin_work;
-       int fdi_lanes;
 
        atomic_t unpin_work_count;