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authorZhao Yakui <yakui.zhao@intel.com>2010-07-19 09:43:13 +0100
committerEric Anholt <eric@anholt.net>2010-08-01 19:40:30 -0700
commit0d3a1beecfa54b938edf3ed046902f072e1e180a (patch)
tree1cf4fc59da3d35743984ab7c4ac6febd0c4989ea /drivers/gpu
parent1fc7947898e3c407a20e130458e30cc45aa3335c (diff)
drm/i915: Always use the fixed panel timing for eDP
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2b99ab23dc8a..233e6fd89328 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -511,11 +511,37 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
{
struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+ struct drm_device *dev = encoder->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
int lane_count, clock;
int max_lane_count = intel_dp_max_lane_count(intel_encoder);
int max_clock = intel_dp_max_link_bw(intel_encoder) == DP_LINK_BW_2_7 ? 1 : 0;
static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
+ if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
+ dev_priv->panel_fixed_mode) {
+ struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode;
+
+ adjusted_mode->hdisplay = fixed_mode->hdisplay;
+ adjusted_mode->hsync_start = fixed_mode->hsync_start;
+ adjusted_mode->hsync_end = fixed_mode->hsync_end;
+ adjusted_mode->htotal = fixed_mode->htotal;
+
+ adjusted_mode->vdisplay = fixed_mode->vdisplay;
+ adjusted_mode->vsync_start = fixed_mode->vsync_start;
+ adjusted_mode->vsync_end = fixed_mode->vsync_end;
+ adjusted_mode->vtotal = fixed_mode->vtotal;
+
+ adjusted_mode->clock = fixed_mode->clock;
+ drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+
+ /*
+ * the mode->clock is used to calculate the Data&Link M/N
+ * of the pipe. For the eDP the fixed clock should be used.
+ */
+ mode->clock = dev_priv->panel_fixed_mode->clock;
+ }
+
for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
for (clock = 0; clock <= max_clock; clock++) {
int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);