drm/radeon: fix HDP flushing
authorGrigori Goronzy <greg@chown.ath.cx>
Thu, 2 Jul 2015 23:54:11 +0000 (01:54 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 8 Jul 2015 16:41:40 +0000 (12:41 -0400)
commit54e03986133468e02cb01b76215e4d53a9cf6380
tree5578bf705457fa69ddd6ff65f512f167cd753fd6
parent828202a382a06eda74202d4888d01a1078c68922
drm/radeon: fix HDP flushing

This was regressed by commit 39e7f6f8, although I don't know of any
actual issues caused by it.

The storage domain is read without TTM locking now, but the lock
never helped to prevent any races.

Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/radeon_gem.c