diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index b5420b20c2f5..e238084b7142 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1099,6 +1099,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) { uint64_t gtt_size; int r; + u64 vis_vram_limit; r = amdgpu_ttm_global_init(adev); if (r) { @@ -1122,6 +1123,13 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_ERROR("Failed initializing VRAM heap.\n"); return r; } + + /* Reduce size of CPU-visible VRAM if requested */ + vis_vram_limit = (u64)amdgpu_vis_vram_limit * 1024 * 1024; + if (amdgpu_vis_vram_limit > 0 && + vis_vram_limit <= adev->mc.visible_vram_size) + adev->mc.visible_vram_size = vis_vram_limit; + /* Change the size here instead of the init above so only lpfn is affected */ amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); |