diff options
author | Oak Zeng <Oak.Zeng@amd.com> | 2020-09-18 04:32:56 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-24 05:58:42 +0300 |
commit | 7b454b3a34335381cb660864eb1e11077847c5db (patch) | |
tree | d275a67ac03951aed050587738314be111e8e67c /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
parent | f527f310bb6aa966454dbbf1b1ce79d34aeb8621 (diff) | |
download | linux-7b454b3a34335381cb660864eb1e11077847c5db.tar.xz |
drm/amdgpu: Use different gart table parameters for 2-level gart table
If use gart for FB translation, we will squeeze vram into
sysvm aperture. This requires 2 level gart table. Add
page table depth and page table block size parameters
to gmc. This is prepare work to 2-level gart table
construction
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 0fce8506fc0d..96052dc114cd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1363,6 +1363,15 @@ static int gmc_v9_0_gart_init(struct amdgpu_device *adev) WARN(1, "VEGA10 PCIE GART already initialized\n"); return 0; } + + if (adev->gmc.xgmi.connected_to_cpu) { + adev->gmc.vmid0_page_table_depth = 1; + adev->gmc.vmid0_page_table_block_size = 12; + } else { + adev->gmc.vmid0_page_table_depth = 0; + adev->gmc.vmid0_page_table_block_size = 0; + } + /* Initialize common gart structure */ r = amdgpu_gart_init(adev); if (r) |