diff options
| author | Christian König <[email protected]> | 2019-02-07 11:10:29 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2019-06-21 23:58:21 +0000 |
| commit | a2bd77bbde791202267c25478bbcbe71bb4ecdd5 (patch) | |
| tree | 727d56568e4ae53422843c971ad4e86a7541fc6d /drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | |
| parent | drm/amdgpu/discovery: refactor ip list traversal (diff) | |
| download | kernel-a2bd77bbde791202267c25478bbcbe71bb4ecdd5.tar.gz kernel-a2bd77bbde791202267c25478bbcbe71bb4ecdd5.zip | |
drm/amdgpu: disable concurrent flushes for Navi10 v2
Navi10 have a bug in the SDMA which can theoretically cause memory
corruption with concurrent VMID flushes
v2: explicitely check Navi10
Signed-off-by: Christian König <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c index df9b173c3d0b..5899d214187b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c @@ -364,8 +364,11 @@ static int amdgpu_vmid_grab_used(struct amdgpu_vm *vm, if (updates && (!flushed || dma_fence_is_later(updates, flushed))) needs_flush = true; - /* Concurrent flushes are only possible starting with Vega10 */ - if (adev->asic_type < CHIP_VEGA10 && needs_flush) + /* Concurrent flushes are only possible starting with Vega10 and + * are broken on Navi10 and Navi14. + */ + if (needs_flush && (adev->asic_type < CHIP_VEGA10 || + adev->asic_type == CHIP_NAVI10)) continue; /* Good, we can use this VMID. Remember this submission as |