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| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-06-02 12:55:14 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-06-24 10:04:19 -0400 |
| commit | 8345a71fc54b28e4d13a759c45ce2664d8540d28 (patch) | |
| tree | 90fad9173e8273b4fbf006953af3196f4f775dd2 /drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | |
| parent | drm/amdgpu: Convert init_mem_ranges into common helpers (diff) | |
| download | linux-8345a71fc54b28e4d13a759c45ce2664d8540d28.tar.gz linux-8345a71fc54b28e4d13a759c45ce2664d8540d28.zip | |
drm/amdgpu: Add more checks to PSP mailbox
Instead of checking the response flag, use status mask also to check
against any unexpected failures like a device drop. Also, log error if
waiting on a psp response fails/times out.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index bdd22a4bd7fe..a4bede28df17 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -597,6 +597,10 @@ int psp_wait_for(struct psp_context *psp, uint32_t reg_index, udelay(1); } + dev_err(adev->dev, + "psp reg (0x%x) wait timed out, mask: %x, read: %x exp: %x", + reg_index, mask, val, reg_val); + return -ETIME; } |