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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 <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
This commit is contained in:
Christian König committed 2021-10-29 10:17:06 +02:00
1 parent 74c1bda2f3
commit bdf6aa2220
1 file changed
+9 -1
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drivers/gpu/drm/nouveau/dispnv50/wndw.c
+9 -1
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@@ -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_iter cursor;
struct dma_fence *fence;
int ret;
NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb);
@@ -561,7 +563,13 @@ 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_iter_begin(&cursor, nvbo->bo.base.resv, false);
dma_resv_for_each_fence_unlocked(&cursor, fence) {
/* TODO: We only use the first writer here */
asyw->state.fence = dma_fence_get(fence);
break;
}
dma_resv_iter_end(&cursor);
asyw->image.offset[0] = nvbo->offset;
if (wndw->func->prepare) {