[PATCH] drm/mediatek: Set the default value of rotation to DRM_MODE_ROTATE_0

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From: Mark Yacoub <markyacoub@xxxxxxxxxx>

At the reset hook, call __drm_atomic_helper_plane_reset which is
called at the initialization of the plane and sets the default value of
rotation on all planes to DRM_MODE_ROTATE_0 which is equal to 1.

Tested on Jacuzzi (MTK).
Resolves IGT@kms_properties@plane-properties-{legacy,atomic}

Signed-off-by: Mark Yacoub <markyacoub@xxxxxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_drm_plane.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index e6dcb34d30522..accd26481b9fb 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -44,9 +44,10 @@ static void mtk_plane_reset(struct drm_plane *plane)
 		state = kzalloc(sizeof(*state), GFP_KERNEL);
 		if (!state)
 			return;
-		plane->state = &state->base;
 	}
 
+	__drm_atomic_helper_plane_reset(plane, &state->base);
+
 	state->base.plane = plane;
 	state->pending.format = DRM_FORMAT_RGB565;
 }
-- 
2.33.0.1079.g6e70778dc9-goog




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