summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c15
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c16
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 4b96a54b8e4..45da78ef4a9 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 0ec07e43d6c..184b6780c44 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);