From: Jesse Barnes Date: Fri, 24 Jun 2011 19:19:24 +0000 (-0700) Subject: drm/i915: use pipe bpp in DP link bandwidth calculations X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=858fa03527ded333dc5701f546bd5d1b5d7515ad;p=linux-beck.git drm/i915: use pipe bpp in DP link bandwidth calculations The pipe may be driving various bpp values depending on the display configuration, so take that into account when calculating link bandwidth requirements. Signed-off-by: Jesse Barnes Reviewed-by: Chris Wilson Signed-off-by: Keith Packard --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 391b55f1cc74..26ce8c0af9b8 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -682,7 +682,7 @@ 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; @@ -701,7 +701,6 @@ 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; } } @@ -711,7 +710,7 @@ 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)) {