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drm/amdgpu: add debugfs amdgpu_reset_level

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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 <Victor.Zhao@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Zhao
2022-06-14 10:48:11 +08:00
committed by Alex Deucher
parent dac6b80818
commit 5bd8d53f6f
4 changed files with 18 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
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@@ -405,6 +405,9 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
{
ktime_t deadline = ktime_add_us(ktime_get(), 10000);
if (!(ring->adev->amdgpu_reset_level_mask & AMDGPU_RESET_LEVEL_SOFT_RECOVERY))
return false;
if (amdgpu_sriov_vf(ring->adev) || !ring->funcs->soft_recovery || !fence)
return false;