diff options
| author | Christian König <christian.koenig@amd.com> | 2021-11-04 15:18:46 +0100 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2022-04-03 20:14:39 +0200 |
| commit | c382df714a8433dfdd4b84fecc00dc46fc755eb7 (patch) | |
| tree | 04c5e2f16fa880d7969197a57bc85213ddd06b46 /drivers | |
| parent | 644704740b8282c9ee9483a38666ee4a4561c37c (diff) | |
drm/atomic-helper: support more than one write fence in drm_gem_plane_helper_prepare_fb
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321135856.1331-13-christian.koenig@amd.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/drm_gem_atomic_helper.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_gem_atomic_helper.c b/drivers/gpu/drm/drm_gem_atomic_helper.c index c3189afe10cb..9338ddb7edff 100644 --- a/drivers/gpu/drm/drm_gem_atomic_helper.c +++ b/drivers/gpu/drm/drm_gem_atomic_helper.c @@ -143,25 +143,21 @@ */ int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state) { - struct dma_resv_iter cursor; struct drm_gem_object *obj; struct dma_fence *fence; + int ret; if (!state->fb) return 0; obj = drm_gem_fb_get_obj(state->fb, 0); - dma_resv_iter_begin(&cursor, obj->resv, false); - dma_resv_for_each_fence_unlocked(&cursor, fence) { - /* TODO: Currently there should be only one write fence, so this - * here works fine. But drm_atomic_set_fence_for_plane() should - * be changed to be able to handle more fences in general for - * multiple BOs per fb anyway. */ - dma_fence_get(fence); - break; - } - dma_resv_iter_end(&cursor); + ret = dma_resv_get_singleton(obj->resv, false, &fence); + if (ret) + return ret; + /* TODO: drm_atomic_set_fence_for_plane() should be changed to be able + * to handle more fences in general for multiple BOs per fb. + */ drm_atomic_set_fence_for_plane(state, fence); return 0; } |