| commit | a314d5cb4ac3722b9a673656e2499f4d92ee5e6f | |
| author | Chris Wilson <chris@chris-wilson.co.uk> | |
| Thu, 18 Aug 2016 16:16:48 +0000 (18 17:16 +0100) | ||
| committer | Chris Wilson <chris@chris-wilson.co.uk> | |
| Thu, 18 Aug 2016 21:36:44 +0000 (18 22:36 +0100) | ||
| tree | 0a563aab4c943d342f32676f9171b972dbe84be8 | treesnapshot (tar.gz zip) |
| parent | 43394c7d0d36716edd92e482ec68bec6b82f2982 | commitdiff |
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
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 | diffblobblamehistory |