Commit 2227a7a2 authored by Daniel Vetter's avatar Daniel Vetter

drm/vc4: Always obey implicit sync

Same justification as for drm_gem_fb_prepare_fb.

Cc: Eric Anholt <eric@anholt.net>
Reviewed-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180405154449.23038-9-daniel.vetter@ffwll.ch
Link: https://patchwork.freedesktop.org/patch/msgid/20180409085134.27321-1-daniel.vetter@ffwll.ch
parent 9d54fcd5
......@@ -861,18 +861,21 @@ static int vc4_prepare_fb(struct drm_plane *plane,
struct dma_fence *fence;
int ret;
if ((plane->state->fb == state->fb) || !state->fb)
if (!state->fb)
return 0;
bo = to_vc4_bo(&drm_fb_cma_get_gem_obj(state->fb, 0)->base);
fence = reservation_object_get_excl_rcu(bo->resv);
drm_atomic_set_fence_for_plane(state, fence);
if (plane->state->fb == state->fb)
return 0;
ret = vc4_bo_inc_usecnt(bo);
if (ret)
return ret;
fence = reservation_object_get_excl_rcu(bo->resv);
drm_atomic_set_fence_for_plane(state, fence);
return 0;
}
......
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