Imre Deak ea12e2a0ca drm/i915/bxt: Avoid early timeout during PLL enable ...

Since wait_for_atomic doesn't re-check the wait-for condition after
expiry of the timeout it can fail when called from non-atomic context
even if the condition is set correctly before the expiry. Fix this by
using the non-atomic wait_for instead.

I noticed this via the PLL locking timing out incorrectly, with this fix
I couldn't reproduce the problem.

Fixes: 0351b93992 ("drm/i915: Do not lie about atomic timeout granularity")
CC: Chris Wilson <chris@chris-wilson.co.uk>
CC: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
CC: drm-intel-fixes@lists.freedesktop.org
Link: http://patchwork.freedesktop.org/patch/msgid/1467110253-16046-2-git-send-email-imre.deak@intel.com
(cherry picked from commit 0b786e41c7)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

2016-06-29 11:17:31 +03:00

..

drm

drm/i915/bxt: Avoid early timeout during PLL enable

2016-06-29 11:17:31 +03:00

host1x

remove lots of IS_ERR_VALUE abuses

2016-05-27 15:26:11 -07:00

ipu-v3

drm/imx: Match imx-ipuv3-crtc components using device node in platform data

2016-05-23 12:35:11 +02:00

vga

vga_switcheroo: Add support for switching only the DDC

2016-02-09 11:21:07 +01:00

Makefile

gpu: host1x: Provide a proper struct bus_type

2015-01-27 10:09:14 +01:00