Now also comes with the added benefit of doing a drm_crtc_vblank_off(),
which means vblank state isn't ill-defined and fail-y at driver load
before the first modeset on each crtc.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index a7dba4ced902..d654c7d514bd 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -112,19 +112,15 @@ static void mtk_drm_crtc_reset(struct drm_crtc *crtc)
{
struct mtk_crtc_state *state;
- if (crtc->state) {
+ if (crtc->state)
__drm_atomic_helper_crtc_destroy_state(crtc->state);
- state = to_mtk_crtc_state(crtc->state);
- memset(state, 0, sizeof(*state));
- } else {
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- return;
- crtc->state = &state->base;
- }
+ kfree(to_mtk_crtc_state(crtc->state));
+ crtc->state = NULL;
- state->base.crtc = crtc;
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_crtc_reset(crtc, &state->base);
}
static struct drm_crtc_state *mtk_drm_crtc_duplicate_state(struct drm_crtc *crtc)
--
2.26.2
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