From: Ville Syrjälä Date: Thu, 29 Oct 2015 19:25:51 +0000 (+0200) Subject: drm/i915: Set sync polarity from adjusted mode for TRANS_DP_CTL X-Git-Tag: MMI-PSA29.97-13-9~7427^2~45^2~1192 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9c4edaeea08896dbcc3925810963ec8ddd1ccfc4;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git 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 Link: http://patchwork.freedesktop.org/patch/msgid/1446146763-31821-3-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Jesse Barnes --- 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)) {