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| author | Ingo Molnar <mingo@kernel.org> | 2016-02-22 10:26:05 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-22 10:26:05 +0300 |
| commit | ab876728a91d89e93e4928895529cd5bb4dff6e4 (patch) | |
| tree | 3aa7603c289f79a570cf15e4019b1acb9459e608 /drivers/gpu/drm/radeon/radeon_object.c | |
| parent | 35575e0e8ba633fc8276509a21f89b599b4f9006 (diff) | |
| parent | 81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff) | |
| download | linux-ab876728a91d89e93e4928895529cd5bb4dff6e4.tar.xz | |
Merge tag 'v4.5-rc5' into efi/core, before queueing up new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 84d45633d28c..fb6ad143873f 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -33,6 +33,7 @@ #include <linux/slab.h> #include <drm/drmP.h> #include <drm/radeon_drm.h> +#include <drm/drm_cache.h> #include "radeon.h" #include "radeon_trace.h" @@ -245,6 +246,12 @@ int radeon_bo_create(struct radeon_device *rdev, 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); +#else + /* For architectures that don't support WC memory, + * mask out the WC flag from the BO + */ + if (!drm_arch_can_wc_memory()) + bo->flags &= ~RADEON_GEM_GTT_WC; #endif radeon_ttm_placement_from_domain(bo, domain); |