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authorChris Wilson <chris@chris-wilson.co.uk>2017-01-09 11:19:32 +0000
committerJani Nikula <jani.nikula@intel.com>2017-02-08 13:10:24 +0200
commite3818697e1d9140d0b990fecf4429d40c41ca0b5 (patch)
treeff9717fc8bb3a99735084c5b6f01385889b6e36e /net/sched/Kconfig
parent5351fbb1bf1413f6024892093528280769ca852f (diff)
drm/i915: Flush untouched framebuffers before display on !llc
On a non-llc system, the objects are created with .cache_level = CACHE_NONE and so the transition to uncached for scanout is a no-op. However, if the object was never written to, it will still be in the CPU domain (having been zeroed out by shmemfs). Those cachelines need to be flushed prior to display. Reported-and-tested-by: Vito Caputo Fixes: a6a7cc4b7db6 ("drm/i915: Always flush the dirty CPU cache when pinning the scanout") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170109111932.6342-1-chris@chris-wilson.co.uk Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (cherry picked from commit 69aeafeae9b30d797c439a30d1a4ccc8dc5b0eb0) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'net/sched/Kconfig')
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