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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260916-drm-bridge-every-panel-v3-7-83afb4f1a707@bootlin.com> References: <20260916-drm-bridge-every-panel-v3-0-83afb4f1a707@bootlin.com> In-Reply-To: <20260916-drm-bridge-every-panel-v3-0-83afb4f1a707@bootlin.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jessica Zhang , Laurentiu Palcu , Lucas Stach , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Paul Kocialkowski , Linus Walleij , Inki Dae , Jagan Teki , Marek Szyprowski , Sean Paul , Jonathan Corbet , Shuah Khan , Randy Dunlap Cc: Albert Esteve , Anusha Srivatsa , Dmitry Baryshkov , Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, asahi@lists.linux.dev, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260916_144645_674933_66DFF0D7 X-CRM114-Status: GOOD ( 15.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that a drm_bridge is embedded into every drm_panel, the panel_bridge is not needed anymore. Its APIs are just accessing the embedded drm_bridge transparently. Deprecate them all, encouraging to use the drm_bridge API. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/drm_panel.c | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 707ad9aa907a..c00529bfb706 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -250,6 +250,9 @@ EXPORT_SYMBOL(drm_bridge_is_panel); * * @panel: The drm_panel being wrapped. Must be non-NULL. * + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and update your driver to stop using it. + * * For drivers converting from directly using drm_panel: The expected * usage pattern is that during either encoder module probe or DSI * host attach, a drm_panel will be looked up through @@ -287,9 +290,8 @@ EXPORT_SYMBOL(drm_panel_bridge_add); * This is just like drm_panel_bridge_add(), but forces the connector type to * @connector_type instead of infering it from the panel. * - * This function is deprecated and should not be used in new drivers. Use - * drm_panel_bridge_add() instead, and fix panel drivers as necessary if they - * don't report a connector type. + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and update your driver to stop using it. */ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel, u32 connector_type) @@ -306,6 +308,10 @@ EXPORT_SYMBOL(drm_panel_bridge_add_typed); * created by drm_panel_bridge_add(). * * @bridge: The drm_bridge being freed. + * + * This function is deprecated. A drm_bridge is embedded into every panel + * and removed when the panel is removed. Don't use it in new drivers and + * update your driver to stop using it. */ void drm_panel_bridge_remove(struct drm_bridge *bridge) { @@ -355,6 +361,9 @@ static void devm_drm_panel_bridge_release(struct device *dev, void *res) * @dev: device to tie the bridge lifetime to * @panel: The drm_panel being wrapped. Must be non-NULL. * + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and update your driver to stop using it. + * * This is the managed version of drm_panel_bridge_add() which automatically * calls drm_panel_bridge_remove() when @dev is unbound. */ @@ -379,9 +388,8 @@ EXPORT_SYMBOL(devm_drm_panel_bridge_add); * This is just like devm_drm_panel_bridge_add(), but forces the connector type * to @connector_type instead of infering it from the panel. * - * This function is deprecated and should not be used in new drivers. Use - * devm_drm_panel_bridge_add() instead, and fix panel drivers as necessary if - * they don't report a connector type. + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and update your driver to stop using it. */ struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev, struct drm_panel *panel, @@ -422,6 +430,9 @@ static void drmm_drm_panel_bridge_release(struct drm_device *drm, void *ptr) * @drm: DRM device to tie the bridge lifetime to * @panel: The drm_panel being wrapped. Must be non-NULL. * + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and update your driver to stop using it. + * * This is the DRM-managed version of drm_panel_bridge_add() which * automatically calls drm_panel_bridge_remove() when @dev is cleaned * up. @@ -472,6 +483,10 @@ EXPORT_SYMBOL(drm_panel_bridge_connector); * @port: port in the device tree node * @endpoint: endpoint in the device tree node * + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and convert your driver to + * of_drm_get_bridge_by_endpoint(). + * * Given a DT node's port and endpoint number, finds the connected node * and returns the associated bridge if any, or creates and returns a * drm panel bridge instance if a panel is connected. @@ -508,6 +523,10 @@ EXPORT_SYMBOL(devm_drm_of_get_bridge); * @port: port in the device tree node * @endpoint: endpoint in the device tree node * + * This function is deprecated. A drm_bridge is embedded into every panel. + * Don't use it in new drivers and convert your driver to + * of_drm_get_bridge_by_endpoint(). + * * Given a DT node's port and endpoint number, finds the connected node * and returns the associated bridge if any, or creates and returns a * drm panel bridge instance if a panel is connected. -- 2.55.0