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: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/imx/ipuv3-crtc.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 63c0284f8b3c..02c2f848f2d1 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -109,20 +109,15 @@ static void imx_drm_crtc_reset(struct drm_crtc *crtc)
{
struct imx_crtc_state *state;
- if (crtc->state) {
- if (crtc->state->mode_blob)
- drm_property_blob_put(crtc->state->mode_blob);
-
- state = to_imx_crtc_state(crtc->state);
- memset(state, 0, sizeof(*state));
- } else {
- state = kzalloc(sizeof(*state), GFP_KERNEL);
- if (!state)
- return;
- crtc->state = &state->base;
- }
+ if (crtc->state)
+ __drm_atomic_helper_crtc_destroy_state(crtc->state);
- state->base.crtc = crtc;
+ kfree(to_imx_crtc_state(crtc->state));
+ crtc->state = NULL;
+
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_crtc_reset(crtc, &state->base);
}
static struct drm_crtc_state *imx_drm_crtc_duplicate_state(struct drm_crtc *crtc)
--
2.26.2
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