diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_sync.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sync.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index ff74528ca0c6..c8fdcdbd6ae7 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -228,6 +228,32 @@ int xe_sync_entry_add_deps(struct xe_sync_entry *sync, struct xe_sched_job *job) return 0; } +/** + * xe_sync_entry_wait() - Wait on in-sync + * @sync: Sync object + * + * If the sync is in an in-sync, wait on the sync to signal. + * + * Return: 0 on success, -ERESTARTSYS on failure (interruption) + */ +int xe_sync_entry_wait(struct xe_sync_entry *sync) +{ + return xe_sync_needs_wait(sync) ? + dma_fence_wait(sync->fence, true) : 0; +} + +/** + * xe_sync_needs_wait() - Sync needs a wait (input dma-fence not signaled) + * @sync: Sync object + * + * Return: True if sync needs a wait, False otherwise + */ +bool xe_sync_needs_wait(struct xe_sync_entry *sync) +{ + return sync->fence && + !test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &sync->fence->flags); +} + void xe_sync_entry_signal(struct xe_sync_entry *sync, struct dma_fence *fence) { if (!(sync->flags & DRM_XE_SYNC_FLAG_SIGNAL)) @@ -311,8 +337,11 @@ xe_sync_in_fence_get(struct xe_sync_entry *sync, int num_sync, struct xe_tile *tile; u8 id; - for_each_tile(tile, vm->xe, id) - num_fence += (1 + XE_MAX_GT_PER_TILE); + for_each_tile(tile, vm->xe, id) { + num_fence++; + for_each_tlb_inval(i) + num_fence++; + } fences = kmalloc_array(num_fence, sizeof(*fences), GFP_KERNEL); |