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From: Maxime Ripard <mripard@kernel.org>
Date: Mon, 12 Feb 2024 14:13:17 +0100
Subject: [PATCH v6 34/36] drm/sun4i: hdmi: Switch to container_of_const
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Message-Id: <20240212-kms-hdmi-connector-state-v6-34-f4bcdc979e6f@kernel.org>
References: <20240212-kms-hdmi-connector-state-v6-0-f4bcdc979e6f@kernel.org>
In-Reply-To: <20240212-kms-hdmi-connector-state-v6-0-f4bcdc979e6f@kernel.org>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, 
 Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, 
 Daniel Vetter <daniel@ffwll.ch>, Emma Anholt <emma@anholt.net>, 
 Jonathan Corbet <corbet@lwn.net>, Sandy Huang <hjc@rock-chips.com>, 
 =?utf-8?q?Heiko_St=C3=BCbner?= <heiko@sntech.de>, 
 Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, 
 Samuel Holland <samuel@sholland.org>
Cc: Hans Verkuil <hverkuil@xs4all.nl>, dri-devel@lists.freedesktop.org, 
 linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, 
 linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, 
 Maxime Ripard <mripard@kernel.org>, Sui Jingfeng <sui.jingfeng@linux.dev>

container_of_const() allows to preserve the pointer constness and is
thus more flexible than inline functions.

Let's switch all our instances of container_of() to container_of_const().

Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index bae69d696765..c276d984da6b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -30,19 +30,11 @@
 #include "sun4i_drv.h"
 #include "sun4i_hdmi.h"
 
-static inline struct sun4i_hdmi *
-drm_encoder_to_sun4i_hdmi(struct drm_encoder *encoder)
-{
-	return container_of(encoder, struct sun4i_hdmi,
-			    encoder);
-}
+#define drm_encoder_to_sun4i_hdmi(e)		\
+	container_of_const(e, struct sun4i_hdmi, encoder)
 
-static inline struct sun4i_hdmi *
-drm_connector_to_sun4i_hdmi(struct drm_connector *connector)
-{
-	return container_of(connector, struct sun4i_hdmi,
-			    connector);
-}
+#define drm_connector_to_sun4i_hdmi(c)		\
+	container_of_const(c, struct sun4i_hdmi, connector)
 
 static int sun4i_hdmi_setup_avi_infoframes(struct sun4i_hdmi *hdmi,
 					   struct drm_display_mode *mode)

-- 
2.43.0