Re: [PATCH 23/28] drm: use new iterator in drm_gem_fence_array_add_implicit v3

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 01/10/2021 11:06, Christian König wrote:
Simplifying the code a bit.

v2: add missing rcu_read_lock()/unlock()
v3: switch to locked version

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
  drivers/gpu/drm/drm_gem.c | 26 +++++---------------------
  1 file changed, 5 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 09c820045859..4dcdec6487bb 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1340,31 +1340,15 @@ int drm_gem_fence_array_add_implicit(struct xarray *fence_array,
  				     struct drm_gem_object *obj,
  				     bool write)
  {
-	int ret;
-	struct dma_fence **fences;
-	unsigned int i, fence_count;
-
-	if (!write) {
-		struct dma_fence *fence =
-			dma_resv_get_excl_unlocked(obj->resv);
-
-		return drm_gem_fence_array_add(fence_array, fence);
-	}
+	struct dma_resv_iter cursor;
+	struct dma_fence *fence;
+	int ret = 0;
- ret = dma_resv_get_fences(obj->resv, NULL,
-						&fence_count, &fences);
-	if (ret || !fence_count)
-		return ret;
-
-	for (i = 0; i < fence_count; i++) {
-		ret = drm_gem_fence_array_add(fence_array, fences[i]);
+	dma_resv_for_each_fence(&cursor, obj->resv, write, fence) {
+		ret = drm_gem_fence_array_add(fence_array, fence);
  		if (ret)
  			break;
  	}
-
-	for (; i < fence_count; i++)
-		dma_fence_put(fences[i]);
-	kfree(fences);
  	return ret;
  }
  EXPORT_SYMBOL(drm_gem_fence_array_add_implicit);


Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Regards,

Tvrtko



[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]

  Powered by Linux