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drm/i915: use pipe bpp in DP link bandwidth calculation 

Now that we track bpp on a per-pipe basis, we can use the actual value
rather than assuming 24bpp.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-06-24 12:19:28 -07:00 committed by Keith Packard
parent b5626747ec
commit 89c6143263
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/i915/intel_dp.c
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@ -179,12 +179,14 @@ intel_dp_link_clock(uint8_t link_bw)
static int static int
intel_dp_link_required(struct drm_device *dev, struct intel_dp *intel_dp, int pixel_clock) 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)) if (intel_crtc)
return (pixel_clock * dev_priv->edp.bpp + 7) / 8; bpp = intel_crtc->bpp;
else
return pixel_clock * 3; return (pixel_clock * bpp + 7) / 8;
} }
static int static int