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| author | Sunil Khatri <sunil.khatri@amd.com> | 2024-03-11 16:58:54 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-20 13:37:36 -0400 |
| commit | 3eb899c40a6190f6eee0bea7c340a4cb32112548 (patch) | |
| tree | 6d43cc0c7972d4a70d9bf6a7bef446c485fc65ab /drivers/gpu | |
| parent | 9bbe787877096e9d4e9dec37059b251840906579 (diff) | |
| download | linux-stable-3eb899c40a6190f6eee0bea7c340a4cb32112548.tar.gz linux-stable-3eb899c40a6190f6eee0bea7c340a4cb32112548.tar.bz2 linux-stable-3eb899c40a6190f6eee0bea7c340a4cb32112548.zip | |
drm/amdgpu: add ring buffer information in devcoredump
Add relevant ringbuffer information such as
rptr, wptr,rb mask, ring name, ring size and also
the rings content for each ring on a gpu reset.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c index 6d059f853adc..a0dbccad2f53 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -215,6 +215,27 @@ amdgpu_devcoredump_read(char *buffer, loff_t offset, size_t count, fault_info->status); } + drm_printf(&p, "Ring buffer information\n"); + for (int i = 0; i < coredump->adev->num_rings; i++) { + int j = 0; + struct amdgpu_ring *ring = coredump->adev->rings[i]; + + drm_printf(&p, "ring name: %s\n", ring->name); + drm_printf(&p, "Rptr: 0x%llx Wptr: 0x%llx RB mask: %x\n", + amdgpu_ring_get_rptr(ring), + amdgpu_ring_get_wptr(ring), + ring->buf_mask); + drm_printf(&p, "Ring size in dwords: %d\n", + ring->ring_size / 4); + drm_printf(&p, "Ring contents\n"); + drm_printf(&p, "Offset \t Value\n"); + + while (j < ring->ring_size) { + drm_printf(&p, "0x%x \t 0x%x\n", j, ring->ring[j/4]); + j += 4; + } + } + if (coredump->reset_vram_lost) drm_printf(&p, "VRAM is lost due to GPU reset!\n"); if (coredump->adev->reset_info.num_regs) { |