diff options
| author | Alex Sierra <alex.sierra@amd.com> | 2021-04-12 13:34:57 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-23 17:16:20 -0400 |
| commit | 126bbd4ab524160e63725d04e838c0f18c917e11 (patch) | |
| tree | 329a2d65d8dca12b873ef22b46f7d6145e87ece7 /drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | |
| parent | 502f0e28042b4ef271c70f54dc2e4feb230fdb64 (diff) | |
drm/amdgpu: extend xnack limit page fault timeout
Extending this timeout will prevent IH from storm interrupts coming
from SDMA while a page fault is active. Currently, on Aldebaran,
handling that many interrupts can take a lot of CPU time
(up to 4 seconds).
This eventually causes timeouts in other tasks.
Signed-off-by: Alex Sierra <alex.sierra@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/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 5715be6770ec..823a367990bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1109,6 +1109,8 @@ static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) if (adev->asic_type == CHIP_ARCTURUS && adev->sdma.instance[i].fw_version >= 14) WREG32_SDMA(i, mmSDMA0_PUB_DUMMY_REG2, enable); + /* Extend page fault timeout to avoid interrupt storm */ + WREG32_SDMA(i, mmSDMA0_UTCL1_TIMEOUT, 0x00800080); } } |