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>
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 26ce8c0..e17de2b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -179,12 +179,14 @@
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