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drm/amdgpu/mes: add API for user queue reset

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Add API for resetting user queues.

Acked-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-06-03 13:35:05 -04:00
parent 478efcb90b
commit 5b7a59de48
2 changed files with 52 additions and 0 deletions
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43
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
View File

@ -793,6 +793,49 @@ int amdgpu_mes_remove_hw_queue(struct amdgpu_device *adev, int queue_id)
return 0;
}
int amdgpu_mes_reset_hw_queue(struct amdgpu_device *adev, int queue_id)
{
unsigned long flags;
struct amdgpu_mes_queue *queue;
struct amdgpu_mes_gang *gang;
struct mes_reset_queue_input queue_input;
int r;
/*
* Avoid taking any other locks under MES lock to avoid circular
* lock dependencies.
*/
amdgpu_mes_lock(&adev->mes);
/* remove the mes gang from idr list */
spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
queue = idr_find(&adev->mes.queue_id_idr, queue_id);
if (!queue) {
spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
amdgpu_mes_unlock(&adev->mes);
DRM_ERROR("queue id %d doesn't exist\n", queue_id);
return -EINVAL;
}
spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
DRM_DEBUG("try to reset queue, doorbell off = 0x%llx\n",
queue->doorbell_off);
gang = queue->gang;
queue_input.doorbell_offset = queue->doorbell_off;
queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input);
if (r)
DRM_ERROR("failed to reset hardware queue, queue id = %d\n",
queue_id);
amdgpu_mes_unlock(&adev->mes);
return 0;
}
int amdgpu_mes_map_legacy_queue(struct amdgpu_device *adev,
struct amdgpu_ring *ring)
{

9
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -248,6 +248,11 @@ struct mes_remove_queue_input {
uint64_t gang_context_addr;
};
struct mes_reset_queue_input {
uint32_t doorbell_offset;
uint64_t gang_context_addr;
};
struct mes_map_legacy_queue_input {
uint32_t queue_type;
uint32_t doorbell_offset;
@ -360,6 +365,9 @@ struct amdgpu_mes_funcs {
int (*reset_legacy_queue)(struct amdgpu_mes *mes,
struct mes_reset_legacy_queue_input *input);
int (*reset_hw_queue)(struct amdgpu_mes *mes,
struct mes_reset_queue_input *input);
};
#define amdgpu_mes_kiq_hw_init(adev) (adev)->mes.kiq_hw_init((adev))
@ -387,6 +395,7 @@ int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id,
struct amdgpu_mes_queue_properties *qprops,
int *queue_id);
int amdgpu_mes_remove_hw_queue(struct amdgpu_device *adev, int queue_id);
int amdgpu_mes_reset_hw_queue(struct amdgpu_device *adev, int queue_id);
int amdgpu_mes_map_legacy_queue(struct amdgpu_device *adev,
struct amdgpu_ring *ring);