[PATCH 6/6] drm/tidss: Implement struct drm_plane_helper_funcs.atomic_enable

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Enable the primary plane for tidss hardware via atomic_enable.
Atomic helpers invoke this callback only when the plane becomes
active.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/tidss/tidss_plane.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c
index 0b12405edb47..6bdd6e4a955a 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -124,6 +124,16 @@ static void tidss_plane_atomic_update(struct drm_plane *plane,
 	hw_videoport = to_tidss_crtc(new_state->crtc)->hw_videoport;
 
 	dispc_plane_setup(tidss->dispc, tplane->hw_plane_id, new_state, hw_videoport);
+}
+
+static void tidss_plane_atomic_enable(struct drm_plane *plane,
+				      struct drm_atomic_state *state)
+{
+	struct drm_device *ddev = plane->dev;
+	struct tidss_device *tidss = to_tidss(ddev);
+	struct tidss_plane *tplane = to_tidss_plane(plane);
+
+	dev_dbg(ddev->dev, "%s\n", __func__);
 
 	dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, true);
 }
@@ -151,6 +161,7 @@ static void drm_plane_destroy(struct drm_plane *plane)
 static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = {
 	.atomic_check = tidss_plane_atomic_check,
 	.atomic_update = tidss_plane_atomic_update,
+	.atomic_enable = tidss_plane_atomic_enable,
 	.atomic_disable = tidss_plane_atomic_disable,
 };
 
-- 
2.39.1




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