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authorJesse Barnes <jbarnes@virtuousgeek.org>2011-06-24 12:19:28 -0700
committerKeith Packard <keithp@keithp.com>2011-07-07 13:20:57 -0700
commit89c6143263ef8e14e42e17324a234418d8030b10 (patch)
tree6e3e4098880232c73920704b5c2ff9b0738c89f7 /drivers/gpu/drm/i915/intel_dp.c
parentb5626747eca6d02124544d1d69049220f1c01fb1 (diff)
downloadlwn-89c6143263ef8e14e42e17324a234418d8030b10.tar.gz
lwn-89c6143263ef8e14e42e17324a234418d8030b10.zip
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 26ce8c0af9b8..e17de2b3d415 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -179,12 +179,14 @@ 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