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Tue, 26 Nov 2019 13:16:00 +0000 From: Mihail Atanassov To: "dri-devel@lists.freedesktop.org" CC: Mihail Atanassov , nd , Maarten Lankhorst , Maxime Ripard , David Airlie , Daniel Vetter , "linux-kernel@vger.kernel.org" Subject: [PATCH 01/30] drm: Introduce drm_bridge_init() Thread-Topic: [PATCH 01/30] drm: Introduce drm_bridge_init() Thread-Index: AQHVpFukMd5nbiwRlEK6zRU7NBRujQ== Date: Tue, 26 Nov 2019 13:15:59 +0000 Message-ID: <20191126131541.47393-2-mihail.atanassov@arm.com> References: <20191126131541.47393-1-mihail.atanassov@arm.com> In-Reply-To: <20191126131541.47393-1-mihail.atanassov@arm.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [217.140.106.55] x-clientproxiedby: LO2P265CA0453.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:e::33) To VI1PR08MB4078.eurprd08.prod.outlook.com (2603:10a6:803:e5::28) x-mailer: git-send-email 2.23.0 Authentication-Results-Original: spf=none (sender IP is ) smtp.mailfrom=Mihail.Atanassov@arm.com; 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Signed-off-by: Mihail Atanassov --- drivers/gpu/drm/drm_bridge.c | 29 +++++++++++++++++++++++++++++ include/drm/drm_bridge.h | 4 ++++ 2 files changed, 33 insertions(+) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index cba537c99e43..cbe680aa6eac 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -89,6 +89,35 @@ void drm_bridge_remove(struct drm_bridge *bridge) } EXPORT_SYMBOL(drm_bridge_remove); =20 +/** + * drm_bridge_init - initialise a drm_bridge structure + * + * @bridge: bridge control structure + * @funcs: control functions + * @dev: device + * @timings: timing specification for the bridge; optional (may be NULL) + * @driver_private: pointer to the bridge driver internal context (may be = NULL) + */ +void drm_bridge_init(struct drm_bridge *bridge, struct device *dev, + const struct drm_bridge_funcs *funcs, + const struct drm_bridge_timings *timings, + void *driver_private) +{ + WARN_ON(!funcs); + + bridge->dev =3D NULL; + bridge->encoder =3D NULL; + bridge->next =3D NULL; + +#ifdef CONFIG_OF + bridge->of_node =3D dev->of_node; +#endif + bridge->timings =3D timings; + bridge->funcs =3D funcs; + bridge->driver_private =3D driver_private; +} +EXPORT_SYMBOL(drm_bridge_init); + /** * drm_bridge_attach - attach the bridge to an encoder's chain * diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index c0a2286a81e9..d6d9d5301551 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -402,6 +402,10 @@ struct drm_bridge { =20 void drm_bridge_add(struct drm_bridge *bridge); void drm_bridge_remove(struct drm_bridge *bridge); +void drm_bridge_init(struct drm_bridge *bridge, struct device *dev, + const struct drm_bridge_funcs *funcs, + const struct drm_bridge_timings *timings, + void *driver_private); struct drm_bridge *of_drm_find_bridge(struct device_node *np); int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *brid= ge, struct drm_bridge *previous); --=20 2.23.0