drm/radeon: fix logic inversion in radeon_sync_resv

Shared is the opposite of write/exclusive.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 0597ca7 ("drm/radeon: use new iterator in radeon_sync_resv")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1970
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220412093626.608767-1-christian.koenig@amd.com

Author: ChristianKoenigAMD

drivers/gpu/drm/radeon/radeon_sync.c

@@ -96,7 +96,7 @@ int radeon_sync_resv(struct radeon_device *rdev,
 	struct dma_fence *f;
 	int r = 0;
 
-	dma_resv_for_each_fence(&cursor, resv, shared, f) {
+	dma_resv_for_each_fence(&cursor, resv, !shared, f) {
 		fence = to_radeon_fence(f);
 		if (fence && fence->rdev == rdev)
 			radeon_sync_fence(sync, fence);