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authorChristian König <christian.koenig@amd.com>2021-11-09 11:08:18 +0100
committerChristian König <christian.koenig@amd.com>2022-04-07 12:53:54 +0200
commit0cc848a75b742c3f9800e643cd2c03b9cfdc3d69 (patch)
treea3b4d1437f08e2db853e0c4b415248631ddf3534 /drivers/gpu/drm/ttm/ttm_bo.c
parentRDMA: use DMA_RESV_USAGE_KERNEL (diff)
downloadlinux-0cc848a75b742c3f9800e643cd2c03b9cfdc3d69.tar.xz
linux-0cc848a75b742c3f9800e643cd2c03b9cfdc3d69.zip
dma-buf: add DMA_RESV_USAGE_BOOKKEEP v3
Add an usage for submissions independent of implicit sync but still interesting for memory management. v2: cleanup the kerneldoc a bit v3: separate amdgpu changes from this Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220407085946.744568-10-christian.koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 6bf3fb1c8045..360f980c7e10 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -223,7 +223,7 @@ static void ttm_bo_flush_all_fences(struct ttm_buffer_object *bo)
struct dma_resv_iter cursor;
struct dma_fence *fence;
- dma_resv_iter_begin(&cursor, resv, DMA_RESV_USAGE_READ);
+ dma_resv_iter_begin(&cursor, resv, DMA_RESV_USAGE_BOOKKEEP);
dma_resv_for_each_fence_unlocked(&cursor, fence) {
if (!fence->ops->signaled)
dma_fence_enable_sw_signaling(fence);
@@ -252,7 +252,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
struct dma_resv *resv = &bo->base._resv;
int ret;
- if (dma_resv_test_signaled(resv, DMA_RESV_USAGE_READ))
+ if (dma_resv_test_signaled(resv, DMA_RESV_USAGE_BOOKKEEP))
ret = 0;
else
ret = -EBUSY;
@@ -264,7 +264,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
dma_resv_unlock(bo->base.resv);
spin_unlock(&bo->bdev->lru_lock);
- lret = dma_resv_wait_timeout(resv, DMA_RESV_USAGE_READ,
+ lret = dma_resv_wait_timeout(resv, DMA_RESV_USAGE_BOOKKEEP,
interruptible,
30 * HZ);
@@ -369,7 +369,7 @@ static void ttm_bo_release(struct kref *kref)
* fences block for the BO to become idle
*/
dma_resv_wait_timeout(bo->base.resv,
- DMA_RESV_USAGE_READ, false,
+ DMA_RESV_USAGE_BOOKKEEP, false,
30 * HZ);
}
@@ -380,7 +380,7 @@ static void ttm_bo_release(struct kref *kref)
ttm_mem_io_free(bdev, bo->resource);
}
- if (!dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_READ) ||
+ if (!dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_BOOKKEEP) ||
!dma_resv_trylock(bo->base.resv)) {
/* The BO is not idle, resurrect it for delayed destroy */
ttm_bo_flush_all_fences(bo);
@@ -1046,13 +1046,13 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
long timeout = 15 * HZ;
if (no_wait) {
- if (dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_READ))
+ if (dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_BOOKKEEP))
return 0;
else
return -EBUSY;
}
- timeout = dma_resv_wait_timeout(bo->base.resv, DMA_RESV_USAGE_READ,
+ timeout = dma_resv_wait_timeout(bo->base.resv, DMA_RESV_USAGE_BOOKKEEP,
interruptible, timeout);
if (timeout < 0)
return timeout;