From 5e7e83963fcf7688c2a171bedd9e76e2aa4eb85a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Fri, 30 Jun 2017 12:19:42 +0200 Subject: [PATCH] drm/amdgpu: stop mapping BOs to GTT MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit No need to map BOs to GTT on eviction and intermediate transfers any more. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 19 ++----------------- 1 file 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); -- 2.45.2