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drm/amdgpu: Few optimization and fixes for userq fence driver

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Few optimization and fixes for userq fence driver.

v1:(Christian):
  - Remove unnecessary comments.
  - In drm_exec_init call give num_bo_handles as last parameter it would
    making allocation of the array more efficient
  - Handle return value of __xa_store() and improve the error handling of
    amdgpu_userq_fence_driver_alloc().

v2:(Christian):
   - Revert userq_xa xarray init to XA_FLAGS_LOCK_IRQ.
   - move the xa_unlock before the error check of the call xa_err(__xa_store())
     and moved this change to a separate patch as this is adding a missing error
     handling.
   - Removed the unnecessary comments.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Arunpravin Paneer Selvam
2024-10-30 10:51:58 +05:30
committed by Alex Deucher
parent ac4a1f7f13
commit e7cf21fbb2
4 changed files with 32 additions and 22 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
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@@ -47,8 +47,8 @@ static void amdgpu_userq_walk_and_drop_fence_drv(struct xarray *xa)
static void
amdgpu_userq_fence_driver_free(struct amdgpu_usermode_queue *userq)
{
amdgpu_userq_walk_and_drop_fence_drv(&userq->uq_fence_drv_xa);
xa_destroy(&userq->uq_fence_drv_xa);
amdgpu_userq_walk_and_drop_fence_drv(&userq->fence_drv_xa);
xa_destroy(&userq->fence_drv_xa);
/* Drop the fence_drv reference held by user queue */
amdgpu_userq_fence_driver_put(userq->fence_drv);
}
@@ -260,7 +260,7 @@ amdgpu_userqueue_create(struct drm_file *filp, union drm_amdgpu_userq *args)
}
queue->doorbell_index = index;
xa_init_flags(&queue->uq_fence_drv_xa, XA_FLAGS_ALLOC);
xa_init_flags(&queue->fence_drv_xa, XA_FLAGS_ALLOC);
r = amdgpu_userq_fence_driver_alloc(adev, queue);
if (r) {
DRM_ERROR("Failed to alloc fence driver\n");