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drm/xe: Pipeline evict / restore of pinned BOs during suspend / resume

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Rather than waiting for each evict / restore of pinned BOs to complete
just wait on migrate exec queue to be idle once during suspend / resume.

Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240305173503.285223-1-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2024-03-05 09:35:03 -08:00
parent 5c9da9fc64
commit 198bc28d0a
2 changed files with 1 additions and 9 deletions
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8
drivers/gpu/drm/xe/xe_bo.c
View File

@@ -816,7 +816,6 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
* @bo: The buffer object to move.
*
* On successful completion, the object memory will be moved to sytem memory.
* This function blocks until the object has been fully moved.
*
* This is needed to for special handling of pinned VRAM object during
* suspend-resume.
@@ -873,9 +872,6 @@ int xe_bo_evict_pinned(struct xe_bo *bo)
if (ret)
goto err_res_free;
dma_resv_wait_timeout(bo->ttm.base.resv, DMA_RESV_USAGE_KERNEL,
false, MAX_SCHEDULE_TIMEOUT);
return 0;
err_res_free:
@@ -888,7 +884,6 @@ int xe_bo_evict_pinned(struct xe_bo *bo)
* @bo: The buffer object to move.
*
* On successful completion, the object memory will be moved back to VRAM.
* This function blocks until the object has been fully moved.
*
* This is needed to for special handling of pinned VRAM object during
* suspend-resume.
@@ -930,9 +925,6 @@ int xe_bo_restore_pinned(struct xe_bo *bo)
if (ret)
goto err_res_free;
dma_resv_wait_timeout(bo->ttm.base.resv, DMA_RESV_USAGE_KERNEL,
false, MAX_SCHEDULE_TIMEOUT);
return 0;
err_res_free:

2
drivers/gpu/drm/xe/xe_bo_evict.c
View File

@@ -220,7 +220,7 @@ int xe_bo_restore_user(struct xe_device *xe)
list_splice_tail(&still_in_list, &xe->pinned.external_vram);
spin_unlock(&xe->pinned.lock);
/* Wait for validate to complete */
/* Wait for restore to complete */
for_each_tile(tile, xe, id)
xe_tile_migrate_wait(tile);