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(parent: 43394c7) | patch
drm/i915: Before accessing an object via the cpu, flush GTT writes
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Aug 2016 16:16:48 +0000 (17:16 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 18 Aug 2016 21:36:44 +0000 (22:36 +0100)
commita314d5cb4ac3722b9a673656e2499f4d92ee5e6f
tree0a563aab4c943d342f32676f9171b972dbe84be8tree | snapshot
parent43394c7d0d36716edd92e482ec68bec6b82f2982commit | diff
drm/i915: Before accessing an object via the cpu, flush GTT writes

If we want to read the pages directly via the CPU, we have to be sure
that we have to flush the writes via the GTT (as the CPU can not see
the address aliasing).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-9-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_gem.c diff | blob | history
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