drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe
authorMichel Dänzer <michel.daenzer@amd.com>
Tue, 29 Jul 2014 09:47:20 +0000 (18:47 +0900)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 5 Aug 2014 12:53:40 +0000 (08:53 -0400)
commit1490434f0da63afc6006411c8829c6a7935a4e7e
tree0b662266f877106784fd16746acb670488ff7d53
parent5dc355325b648dc9b4cf3bea4d968de46fd59215
drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe

PCI GART doesn't support unsnooped access. AGP GART already uses
write-combined CPU mappings.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/radeon_ring.c