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authorMichel Dänzer <michel.daenzer@amd.com>2014-07-17 19:01:07 +0900
committerAlex Deucher <alexander.deucher@amd.com>2014-08-05 08:53:32 -0400
commit77497f2735ad6e29c55475e15e9790dbfa2c2ef8 (patch)
tree4799ae3520773f139a24cf5ea539fede1fd5d54b /drivers/gpu/drm/radeon/radeon_ttm.c
parenta3eb06dbca08e3fdad7039021ae03b46b215f22a (diff)
drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index c8a8a5144ec1..7fb7c1cc6af3 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -521,6 +521,8 @@ static int radeon_ttm_backend_bind(struct ttm_tt *ttm,
struct ttm_mem_reg *bo_mem)
{
struct radeon_ttm_tt *gtt = (void*)ttm;
+ uint32_t flags = RADEON_GART_PAGE_VALID | RADEON_GART_PAGE_READ |
+ RADEON_GART_PAGE_WRITE;
int r;
gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
@@ -528,8 +530,10 @@ static int radeon_ttm_backend_bind(struct ttm_tt *ttm,
WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
ttm->num_pages, bo_mem, ttm);
}
- r = radeon_gart_bind(gtt->rdev, gtt->offset,
- ttm->num_pages, ttm->pages, gtt->ttm.dma_address);
+ if (ttm->caching_state == tt_cached)
+ flags |= RADEON_GART_PAGE_SNOOP;
+ r = radeon_gart_bind(gtt->rdev, gtt->offset, ttm->num_pages,
+ ttm->pages, gtt->ttm.dma_address, flags);
if (r) {
DRM_ERROR("failed to bind %lu pages at 0x%08X\n",
ttm->num_pages, (unsigned)gtt->offset);