From: Daniel Vetter Date: Thu, 5 Apr 2018 15:44:48 +0000 (+0200) Subject: drm/vc4: Always obey implicit sync X-Git-Tag: v4.19~298^2~45^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2227a7a219fdd2b925b1e861f36255efd149ff6d;p=platform%2Fkernel%2Flinux-rpi.git drm/vc4: Always obey implicit sync Same justification as for drm_gem_fb_prepare_fb. Cc: Eric Anholt Reviewed-by: Eric Anholt Signed-off-by: Daniel Vetter 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 --- diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 2575bd8..3922f5f 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -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; }