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drm/amdgpu/mes: add userq reset helper

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Implement a userq reset helper using the doorbell
index.

Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-04-30 12:00:26 -04:00
parent 27c128973c
commit b83490ad98
2 changed files with 27 additions and 0 deletions
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23
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -439,6 +439,29 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev,
return r;
}
int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev,
int queue_type,
unsigned int doorbell_index,
unsigned int xcc_id)
{
struct mes_reset_queue_input queue_input;
int r;
memset(&queue_input, 0, sizeof(queue_input));
queue_input.xcc_id = xcc_id;
queue_input.queue_type = queue_type;
queue_input.doorbell_offset = doorbell_index;
amdgpu_mes_lock(&adev->mes);
r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input);
amdgpu_mes_unlock(&adev->mes);
if (r)
dev_err(adev->dev, "failed to reset user queue\n");
return r;
}
int amdgpu_mes_get_hung_queue_db_array_size(struct amdgpu_device *adev)
{
return adev->mes.hung_queue_db_array_size;

4
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -459,6 +459,10 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev,
unsigned int vmid,
bool use_mmio,
uint32_t xcc_id);
int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev,
int queue_type,
unsigned int doorbell_index,
unsigned int xcc_id);
int amdgpu_mes_get_hung_queue_db_array_size(struct amdgpu_device *adev);
int amdgpu_mes_detect_and_reset_hung_queues(struct amdgpu_device *adev,