[PATCH 23/26] drm/nouveau: use the new interator in nv50_wndw_prepare_fb

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Makes the handling a bit more complex, but avoids the use of
dma_resv_get_excl_unlocked().

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
 drivers/gpu/drm/nouveau/dispnv50/wndw.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
index 8d048bacd6f0..9a0c42d38a47 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
@@ -539,6 +539,8 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
 	struct nouveau_bo *nvbo;
 	struct nv50_head_atom *asyh;
 	struct nv50_wndw_ctxdma *ctxdma;
+	struct dma_resv_cursor cursor;
+	struct dma_fence *fence;
 	int ret;
 
 	NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb);
@@ -561,7 +563,12 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
 			asyw->image.handle[0] = ctxdma->object.handle;
 	}
 
-	asyw->state.fence = dma_resv_get_excl_unlocked(nvbo->bo.base.resv);
+	dma_resv_for_each_fence_unlocked(nvbo->bo.base.resv, &cursor, false,
+					 fence) {
+		/* TODO: We only use the first writer here */
+		asyw->state.fence = fence;
+		break;
+	}
 	asyw->image.offset[0] = nvbo->offset;
 
 	if (wndw->func->prepare) {
-- 
2.25.1




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