diff options
| author |   Tao Zhou <tao.zhou1@amd.com> | 2025-01-22 17:08:11 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2025-02-17 14:09:30 -0500 |
| commit | a6d9d192903ea12b4d5c55b5bc3cd9466d2d4e0d (patch) | |
| tree | d5a852d0f3f7a19d0de7cbf3b8d0c92e69ffe6c2 /drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h | |
| parent | drm/amdgpu: read CPER ring via debugfs (diff) | |
| download | wireguard-linux-a6d9d192903ea12b4d5c55b5bc3cd9466d2d4e0d.tar.xz wireguard-linux-a6d9d192903ea12b4d5c55b5bc3cd9466d2d4e0d.zip | |
drm/amdgpu: add data write function for CPER ring
Old CPER data will be overwritten if ring buffer is full, and read
pointer always points to CPER header.
Signed-off-by: Tao Zhou <tao.zhou1@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_cper.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h index 466ec59e5341..add25975d4f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h @@ -94,6 +94,8 @@ int amdgpu_cper_generate_ue_record(struct amdgpu_device *adev, int amdgpu_cper_generate_ce_records(struct amdgpu_device *adev, struct aca_banks *banks, uint16_t bank_count); +void amdgpu_cper_ring_write(struct amdgpu_ring *ring, + void *src, int count); int amdgpu_cper_init(struct amdgpu_device *adev); int amdgpu_cper_fini(struct amdgpu_device *adev); |