diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2021-01-22 21:51:39 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 22:59:02 -0400 |
| commit | 79194dacb26a1b31c6d3259144c371795612ce75 (patch) | |
| tree | 5da30251cd6c5aaf9eabf05f58d284f8b140dcd4 /drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | |
| parent | f4ec3e5039e58b85aab486af6a9c3e5d60cf8be0 (diff) | |
drm/amdgpu: Fix GART page table s-bit
For the new 2-level GART table, the last PDE0 points
to PTB. Since PTB is in vram and right now we are
runing under s=0 mode (vram is treated as FB carveout),
so the s bit of this PDE0 should be set to 0.
Signed-off-by: Oak Zeng <Oak.Zeng@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/amdgpu_gmc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 3ab85a445d6f..ebd22ae76e8f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -656,7 +656,7 @@ void amdgpu_gmc_init_pdb0(struct amdgpu_device *adev) * PTB who has more than 512 entries each * pointing to a 4K system page */ - flags = AMDGPU_PTE_VALID | AMDGPU_PTE_SYSTEM; + flags = AMDGPU_PTE_VALID; flags |= AMDGPU_PDE_BFS(0) | AMDGPU_PTE_SNOOPED; /* Requires gart_ptb_gpu_pa to be 4K aligned */ amdgpu_gmc_set_pte_pde(adev, adev->gmc.ptr_pdb0, i, gart_ptb_gpu_pa, flags); |