diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index e2aced6eec4c..f797fb58ba9c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -178,12 +178,14 @@ intel_dp_link_clock(uint8_t link_bw) static int intel_dp_link_required(struct drm_device *dev, struct intel_dp *intel_dp, int pixel_clock) { - struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = intel_dp->base.base.crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int bpp = 24; - if (is_edp(intel_dp)) - return (pixel_clock * dev_priv->edp.bpp + 7) / 8; - else - return pixel_clock * 3; + if (intel_crtc) + bpp = intel_crtc->bpp; + + return (pixel_clock * bpp + 7) / 8; } static int @@ -681,7 +683,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_encoder *encoder; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int lane_count = 4, bpp = 24; + int lane_count = 4; struct intel_dp_m_n m_n; int pipe = intel_crtc->pipe; @@ -700,7 +702,6 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, break; } else if (is_edp(intel_dp)) { lane_count = dev_priv->edp.lanes; - bpp = dev_priv->edp.bpp; break; } } @@ -710,7 +711,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, * the number of bytes_per_pixel post-LUT, which we always * set up for 8-bits of R/G/B, or 3 bytes total. */ - intel_dp_compute_m_n(bpp, lane_count, + intel_dp_compute_m_n(intel_crtc->bpp, lane_count, mode->clock, adjusted_mode->clock, &m_n); if (HAS_PCH_SPLIT(dev)) { |