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authorChristian König <christian.koenig@amd.com>2017-06-30 13:19:42 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-07-14 18:06:21 +0300
commit5e7e83963fcf7688c2a171bedd9e76e2aa4eb85a (patch)
treeb24cd3a6765716ac894e0b93bad5e498ac01882b /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentabca90f1c8103528ca4b194fdc69e933bd23db4c (diff)
downloadlinux-5e7e83963fcf7688c2a171bedd9e76e2aa4eb85a.tar.xz
drm/amdgpu: stop mapping BOs to GTT
No need to map BOs to GTT on eviction and intermediate transfers any more. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 4a34b61d44ef..fb9c6988f5f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -199,7 +199,6 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
};
- unsigned i;
if (!amdgpu_ttm_bo_is_amdgpu_bo(bo)) {
placement->placement = &placements;
@@ -217,20 +216,6 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU);
} else {
amdgpu_ttm_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_GTT);
- for (i = 0; i < abo->placement.num_placement; ++i) {
- if (!(abo->placements[i].flags &
- TTM_PL_FLAG_TT))
- continue;
-
- if (abo->placements[i].lpfn)
- continue;
-
- /* set an upper limit to force directly
- * allocating address space for the BO.
- */
- abo->placements[i].lpfn =
- adev->mc.gtt_size >> PAGE_SHIFT;
- }
}
break;
case TTM_PL_TT:
@@ -391,7 +376,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo,
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements.fpfn = 0;
- placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
+ placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
interruptible, no_wait_gpu);
@@ -438,7 +423,7 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo,
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements.fpfn = 0;
- placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
+ placements.lpfn = 0;
placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
interruptible, no_wait_gpu);