[PATCH 13/24] drm/vc4: kms: Constify the HVS old/new state helpers

[Maxime Ripard <maxime@xxxxxxxxxx>]

The vc4_hvs_get_(old|new)_global_state functions don't modify the
drm_atomic_state passed as an argument, so let's make it const.

Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
 drivers/gpu/drm/vc4/vc4_drv.h | 4 ++--
 drivers/gpu/drm/vc4/vc4_kms.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 6ff63036915c..855207c07e2e 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -375,8 +375,8 @@ to_vc4_hvs_state(const struct drm_private_state *priv)
 }
 
 struct vc4_hvs_state *vc4_hvs_get_global_state(struct drm_atomic_state *state);
-struct vc4_hvs_state *vc4_hvs_get_old_global_state(struct drm_atomic_state *state);
-struct vc4_hvs_state *vc4_hvs_get_new_global_state(struct drm_atomic_state *state);
+struct vc4_hvs_state *vc4_hvs_get_old_global_state(const struct drm_atomic_state *state);
+struct vc4_hvs_state *vc4_hvs_get_new_global_state(const struct drm_atomic_state *state);
 
 struct vc4_plane {
 	struct drm_plane base;
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index cb2197622b2b..6c9949399310 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -173,7 +173,7 @@ vc4_ctm_commit(struct vc4_dev *vc4, struct drm_atomic_state *state)
 }
 
 struct vc4_hvs_state *
-vc4_hvs_get_new_global_state(struct drm_atomic_state *state)
+vc4_hvs_get_new_global_state(const struct drm_atomic_state *state)
 {
 	struct vc4_dev *vc4 = to_vc4_dev(state->dev);
 	struct drm_private_state *priv_state;
@@ -186,7 +186,7 @@ vc4_hvs_get_new_global_state(struct drm_atomic_state *state)
 }
 
 struct vc4_hvs_state *
-vc4_hvs_get_old_global_state(struct drm_atomic_state *state)
+vc4_hvs_get_old_global_state(const struct drm_atomic_state *state)
 {
 	struct vc4_dev *vc4 = to_vc4_dev(state->dev);
 	struct drm_private_state *priv_state;

-- 
2.38.1-b4-0.11.0-dev-d416f