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drm/nouveau: support more than one write fence in fenv50_wndw_prepare_fb

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Use dma_resv_get_singleton() here to eventually get more than one write
fence as single fence.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Lyude Paul <lyude@redhat.com>
Cc: nouveau@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220321135856.1331-14-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-11-08 12:54:59 +01:00
parent 9cbbd694a5
commit 33f2069fb6
1 changed files with 5 additions and 9 deletions
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14
drivers/gpu/drm/nouveau/dispnv50/wndw.c
View file

@ -536,8 +536,6 @@ 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);
@ -560,13 +558,11 @@ nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
asyw->image.handle[0] = ctxdma->object.handle;
}
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);
ret = dma_resv_get_singleton(nvbo->bo.base.resv, false,
&asyw->state.fence);
if (ret)
return ret;
asyw->image.offset[0] = nvbo->offset;
if (wndw->func->prepare) {