diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 4e711d9af67c..b5420b20c2f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1097,6 +1097,7 @@ static struct ttm_bo_driver amdgpu_bo_driver = { int amdgpu_ttm_init(struct amdgpu_device *adev) { + uint64_t gtt_size; int r; r = amdgpu_ttm_global_init(adev); @@ -1143,14 +1144,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) } DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->mc.real_vram_size / (1024 * 1024))); - r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, - adev->mc.gart_size >> PAGE_SHIFT); + + if (amdgpu_gtt_size == -1) + gtt_size = max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + adev->mc.mc_vram_size); + else + gtt_size = (uint64_t)amdgpu_gtt_size << 20; + r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT); if (r) { DRM_ERROR("Failed initializing GTT heap.\n"); return r; } DRM_INFO("amdgpu: %uM of GTT memory ready.\n", - (unsigned)(adev->mc.gart_size / (1024 * 1024))); + (unsigned)(gtt_size / (1024 * 1024))); adev->gds.mem.total_size = adev->gds.mem.total_size << AMDGPU_GDS_SHIFT; adev->gds.mem.gfx_partition_size = adev->gds.mem.gfx_partition_size << AMDGPU_GDS_SHIFT; |