[Intel-gfx] E6510: Black screen on resume with 3.2-rc
Hette Visser
hettevisser at gmail.com
Thu Nov 24 19:41:30 CET 2011
Hi,
with kernel 3.2-rc the DP of my Dell E6510 stays black on resume,
while the attached monitor doesn't.
I've bisected this and the following change in commit
cd9dde44f47501394b9f0715b6a36a92aa74c0d0 introduced this problem:
intel_dp.c:
@@ -195,7 +211,7 @@ intel_dp_link_required(struct drm_device *dev,
struct intel_dp *intel_dp, int pi
if (intel_crtc)
bpp = intel_crtc->bpp;
- return (pixel_clock * bpp + 7) / 8;
+ return (pixel_clock * bpp + 9) / 10;
}
Regards,
Hette Visser
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