diff options
| author | Victor Zhao <[email protected]> | 2022-06-14 02:48:11 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-08-16 22:14:31 +0000 |
| commit | 5bd8d53f6fa53eab5433698d1362dae2aa53c1cc (patch) | |
| tree | 16feb5b14db69b87652cc99b319cc06f5cf33782 /drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | |
| parent | drm/amdgpu: let mode2 reset fallback to default when failure (diff) | |
| download | kernel-5bd8d53f6fa53eab5433698d1362dae2aa53c1cc.tar.gz kernel-5bd8d53f6fa53eab5433698d1362dae2aa53c1cc.zip | |
drm/amdgpu: add debugfs amdgpu_reset_level
Introduce amdgpu_reset_level debugfs in order to help debug and
test specific type of reset. Also helps blocking unwanted type of
resets.
By default, mode2 reset will not be enabled
v2: make this debugfs in adev and use debugfs_create_u32
Signed-off-by: Victor Zhao <[email protected]>
Acked-by: Andrey Grodzovsky <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c index 831fb222139c..9da5ead50c90 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -37,6 +37,8 @@ int amdgpu_reset_init(struct amdgpu_device *adev) { int ret = 0; + adev->amdgpu_reset_level_mask = 0x1; + switch (adev->ip_versions[MP1_HWIP][0]) { case IP_VERSION(13, 0, 2): ret = aldebaran_reset_init(adev); @@ -74,6 +76,9 @@ int amdgpu_reset_prepare_hwcontext(struct amdgpu_device *adev, { struct amdgpu_reset_handler *reset_handler = NULL; + if (!(adev->amdgpu_reset_level_mask & AMDGPU_RESET_LEVEL_MODE2)) + return -ENOSYS; + if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags)) return -ENOSYS; @@ -93,6 +98,9 @@ int amdgpu_reset_perform_reset(struct amdgpu_device *adev, int ret; struct amdgpu_reset_handler *reset_handler = NULL; + if (!(adev->amdgpu_reset_level_mask & AMDGPU_RESET_LEVEL_MODE2)) + return -ENOSYS; + if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags)) return -ENOSYS; |