drm/i915/bdw: Restore PPAT on thaw

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Apparently it is wiped out from under us, and we get some really fun
caching artifacts upon resume (it seems to be WB for all types by
default).

Reported-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Tested-by: James Ausmus <james.ausmus@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76113
Tested-by: Timo Aaltonen <timo.aaltonen@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

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Ben Widawsky 2014-03-18 16:09:37 -07:00 • committed by Daniel Vetter

parent 9297ebf29a

commit a2319c08bf

1 changed files with 5 additions and 1 deletions

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6

drivers/gpu/drm/i915/i915_gem_gtt.c

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