From ff253e8575901a504c81ab2c0259039314016303 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 28 Mar 2022 14:43:03 +0200
Subject: drm/vc4: Constify private state accessors
Git-commit: 220f125cd5153f570022b11a89d2f96b0e0979cf
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

None of those helpers modify the pointed data, let's make them const.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220328124304.2309418-4-maxime@cerno.tech
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/vc4/vc4_kms.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index 24de29bc1cda..26b771c919b1 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -32,7 +32,8 @@ struct vc4_ctm_state {
 	int fifo;
 };
 
-static struct vc4_ctm_state *to_vc4_ctm_state(struct drm_private_state *priv)
+static struct vc4_ctm_state *
+to_vc4_ctm_state(const struct drm_private_state *priv)
 {
 	return container_of(priv, struct vc4_ctm_state, base);
 }
@@ -49,7 +50,7 @@ struct vc4_hvs_state {
 };
 
 static struct vc4_hvs_state *
-to_vc4_hvs_state(struct drm_private_state *priv)
+to_vc4_hvs_state(const struct drm_private_state *priv)
 {
 	return container_of(priv, struct vc4_hvs_state, base);
 }
@@ -61,7 +62,7 @@ struct vc4_load_tracker_state {
 };
 
 static struct vc4_load_tracker_state *
-to_vc4_load_tracker_state(struct drm_private_state *priv)
+to_vc4_load_tracker_state(const struct drm_private_state *priv)
 {
 	return container_of(priv, struct vc4_load_tracker_state, base);
 }
-- 
2.38.1