drm/amdgpu: simplify pinning into visible VRAM

Just set the CPU access required flag when we pin it.

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 726a662f43f4915792e31b5a3c7abab410d73e91..6982baeccd1491737b027a33a6e77364b0811e8f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -635,7 +635,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
 {
        struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
        int r, i;
-       unsigned fpfn, lpfn;
 
        if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm))
                return -EPERM;
@@ -667,22 +666,16 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
        }
 
        bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
+       /* force to pin into visible video ram */
+       if (!(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS))
+               bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
        amdgpu_ttm_placement_from_domain(bo, domain);
        for (i = 0; i < bo->placement.num_placement; i++) {
-               /* force to pin into visible video ram */
-               if ((bo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
-                   !(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) &&
-                   (!max_offset || max_offset >
-                    adev->mc.visible_vram_size)) {
-                       if (WARN_ON_ONCE(min_offset >
-                                        adev->mc.visible_vram_size))
-                               return -EINVAL;
-                       fpfn = min_offset >> PAGE_SHIFT;
-                       lpfn = adev->mc.visible_vram_size >> PAGE_SHIFT;
-               } else {
-                       fpfn = min_offset >> PAGE_SHIFT;
-                       lpfn = max_offset >> PAGE_SHIFT;
-               }
+               unsigned fpfn, lpfn;
+
+               fpfn = min_offset >> PAGE_SHIFT;
+               lpfn = max_offset >> PAGE_SHIFT;
+
                if (fpfn > bo->placements[i].fpfn)
                        bo->placements[i].fpfn = fpfn;
                if (!bo->placements[i].lpfn ||