https://bugzilla.kernel.org/show_bug.cgi?id=60527

Fabio Erculiani lxnay@sabayon.org changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |airlied@linux.ie, | |dri-devel@lists.freedesktop | |.org Summary|Linux 3.10.0: black screen |Linux 3.10.0: black screen |on Asus UX32VD (KMS |on Asus UX32VD, please |related) |revert -> Revert "drm/i915: | |revert eDP bpp clamping | |code changes"

--- Comment #5 from Fabio Erculiani lxnay@sabayon.org --- I ran a git bisect and here's what I've found:

657445fe8660100ad174600ebfa61536392b7624 is the first bad commit commit 657445fe8660100ad174600ebfa61536392b7624 Author: Daniel Vetter daniel.vetter@ffwll.ch Date: Sat May 4 10:09:18 2013 +0200

Revert "drm/i915: revert eDP bpp clamping code changes"

This reverts commit 57c219633275c7e7413f8bc7be250dc092887458.

It's an ugly hack for a Haswell SDV platform where the vbt doesn't seem to fully agree with the panel. Since it seems to cause issues on real eDP platform let's just kill this hack again.

Reported-and-tested-by: Josh Boyer jwboyer@gmail.com References: https://lkml.org/lkml/2013/5/3/467 Cc: Paulo Zanoni przanoni@gmail.com Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch