2 files changed, 27 insertions, 4 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4b96a54b8e48..45da78ef4a92 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2924,6 +2924,21 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                                 temp |= PIPE_8BPC;
                         else
                                 temp |= PIPE_6BPC;
+                } else if (is_edp) {
+                        switch (dev_priv->edp_bpp/3) {
+                        case 8:
+                                temp |= PIPE_8BPC;
+                                break;
+                        case 10:
+                                temp |= PIPE_10BPC;
+                                break;
+                        case 6:
+                                temp |= PIPE_6BPC;
+                                break;
+                        case 12:
+                                temp |= PIPE_12BPC;
+                                break;
+                        }
                 } else
                         temp |= PIPE_8BPC;
                 I915_WRITE(pipeconf_reg, temp);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0ec07e43d6cc..184b6780c440 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -125,9 +125,15 @@ intel_dp_link_clock(uint8_t link_bw)
 
 /* I think this is a fiction */
 static int
-intel_dp_link_required(int pixel_clock)
+intel_dp_link_required(struct drm_device *dev,
+                       struct intel_output *intel_output, int pixel_clock)
 {
-        return pixel_clock * 3;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+
+        if (IS_eDP(intel_output))
+                return (pixel_clock * dev_priv->edp_bpp) / 8;
+        else
+                return pixel_clock * 3;
 }
 
 static int
@@ -138,7 +144,8 @@ intel_dp_mode_valid(struct drm_connector *connector,
         int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_output));
         int max_lanes = intel_dp_max_lane_count(intel_output);
 
-        if (intel_dp_link_required(mode->clock) > max_link_clock * max_lanes)
+        if (intel_dp_link_required(connector->dev, intel_output, mode->clock)
+                        > max_link_clock * max_lanes)
                 return MODE_CLOCK_HIGH;
 
         if (mode->clock < 10000)
@@ -492,7 +499,8 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
                 for (clock = 0; clock <= max_clock; clock++) {
                         int link_avail = intel_dp_link_clock(bws[clock]) * lane_count;
 
-                        if (intel_dp_link_required(mode->clock) <= link_avail) {
+                        if (intel_dp_link_required(encoder->dev, intel_output, mode->clock)
+                                        <= link_avail) {
                                 dp_priv->link_bw = bws[clock];
                                 dp_priv->lane_count = lane_count;
                                 adjusted_mode->clock = intel_dp_link_clock(dp_priv->link_bw);