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authorMichel Dänzer <michel.daenzer@amd.com>2015-11-05 17:25:28 +0900
committerAlex Deucher <alexander.deucher@amd.com>2015-11-16 11:05:45 -0500
commit938204985c1c46c28a88cb558d9e38610044b67a (patch)
tree35e55352e259dd855dce7e915255dc816f70ebba /drivers
parenta28bbd5824d4a2af98de45b300ab8d8fb39739fc (diff)
drm/radeon: Only prompt for enabling PAT when we'd allow write-combining
No use bothering users about this for whom we disable write-combining for other reasons anyway. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index dda2ecfbf056..84d45633d28c 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -241,8 +241,9 @@ int radeon_bo_create(struct radeon_device *rdev,
#warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \
thanks to write-combining
- DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for "
- "better performance thanks to write-combining\n");
+ if (bo->flags & RADEON_GEM_GTT_WC)
+ DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for "
+ "better performance thanks to write-combining\n");
bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC);
#endif