openwrt/target/linux/bcm27xx/patches-6.1/950-0479-drm-vc4-kms-Constify-the-HVS-old-new-state-helpers.patch

From 18d15815d045976ffce0c57aed3d3a61e0d04297 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Wed, 23 Nov 2022 16:25:55 +0100
Subject: [PATCH] drm/vc4: kms: Constify the HVS old/new state helpers

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.

Link: https://lore.kernel.org/r/20221123-rpi-kunit-tests-v1-13-051a0bb60a16@cerno.tech
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_kms.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -194,7 +194,7 @@ vc4_ctm_commit(struct vc4_dev *vc4, stru
 }
 
 static 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;
@@ -207,7 +207,7 @@ vc4_hvs_get_new_global_state(struct drm_
 }
 
 static 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;