[PATCH v2] drm/atomic: Don't set crtc_state->enable manually

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The enable field needs to be kept in sync with the mode_blob field. Call
drm_atomic_set_mode_prop_for_crtc() instead of setting enable to false
in order to dereference the mode blob correctly.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_atomic_helper.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Changes since v1:

- Check the return value of drm_atomic_set_mode_prop_for_crtc()
- Drop the num_connectors local variable

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 536ae4da4665..ec3d65a497ac 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1561,10 +1561,14 @@ static int update_output_state(struct drm_atomic_state *state,
 		if (crtc == set->crtc)
 			continue;
 
-		crtc_state->enable =
-			drm_atomic_connectors_for_crtc(state, crtc);
-		if (!crtc_state->enable)
+		if (!drm_atomic_connectors_for_crtc(state, crtc)) {
+			ret = drm_atomic_set_mode_prop_for_crtc(crtc_state,
+								NULL);
+			if (ret < 0)
+				return ret;
+
 			crtc_state->active = false;
+		}
 	}
 
 	return 0;
-- 
Regards,

Laurent Pinchart

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