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authorVille Syrjälä2015-10-29 20:25:51 +0100
committerVille Syrjälä2015-11-10 15:22:53 +0100
commit9c4edaeea08896dbcc3925810963ec8ddd1ccfc4 (patch)
tree6ce2ffb362bc6efc1f5cd28fb9035f05015adea6 /drivers/gpu/drm/i915/intel_display.c
parentdrm/i915: Don't use intel_pipe_to_cpu_transcoder() when there's a pipe config... (diff)
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drm/i915: Set sync polarity from adjusted mode for TRANS_DP_CTL
Rather than looking at crtc->mode (which is the user mode) dig up the sync polarity settings from the adjusted_mode when programming TRANS_DP_CTL on CPT/PPT. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1446146763-31821-3-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f42d5d872fee..a2d5938a9367 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4139,6 +4139,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
/* For PCH DP, enable TRANS_DP_CTL */
if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) {
+ const struct drm_display_mode *adjusted_mode =
+ &intel_crtc->config->base.adjusted_mode;
u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5;
reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg);
@@ -4148,9 +4150,9 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
temp |= TRANS_DP_OUTPUT_ENABLE;
temp |= bpc << 9; /* same format but at 11:9 */
- if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
temp |= TRANS_DP_HSYNC_ACTIVE_HIGH;
- if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
temp |= TRANS_DP_VSYNC_ACTIVE_HIGH;
switch (intel_trans_dp_port_sel(crtc)) {