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drm/amdgpu: fix initialization of doorbell array for detect and hang

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Initialized doorbells should be set to invalid rather than 0 to prevent
driver from over counting hung doorbells since it checks against the
invalid value to begin with.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jonathan Kim
2025-10-09 10:48:09 -04:00
committed by Alex Deucher
parent d0de79f66a
commit 8745ca5efb
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+1 -1
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@@ -409,7 +409,7 @@ int amdgpu_mes_detect_and_reset_hung_queues(struct amdgpu_device *adev,
return -EINVAL;
/* Clear the doorbell array before detection */
memset(adev->mes.hung_queue_db_array_cpu_addr, 0,
memset(adev->mes.hung_queue_db_array_cpu_addr, AMDGPU_MES_INVALID_DB_OFFSET,
adev->mes.hung_queue_db_array_size * sizeof(u32));
input.queue_type = queue_type;
input.detect_only = detect_only;