Re: [PATCH v3 10/22] drm/meson: encoder_cvbs: get/put the next bridge

[PATCH v3 00/22] drm/bridge: add of_drm_find_and_get_bridge() and a managed *next_bridge, deprecate of_drm_find_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
[PATCH v3 01/22] drm/bridge: add of_drm_find_and_get_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 01/22] drm/bridge: add of_drm_find_and_get_bridge() · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
Re: [PATCH v3 01/22] drm/bridge: add of_drm_find_and_get_bridge() · "Luca Ceresoli" <luca.ceresoli@bootlin.com> · 2025-12-17
Re: [PATCH v3 01/22] drm/bridge: add of_drm_find_and_get_bridge() · Maxime Ripard <mripard@kernel.org> · 2025-12-18
Re: [PATCH v3 01/22] drm/bridge: add of_drm_find_and_get_bridge() · "Luca Ceresoli" <luca.ceresoli@bootlin.com> · 2025-12-18
[PATCH v3 02/22] drm/bridge: deprecate of_drm_find_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
[PATCH v3 03/22] drm/todo: add entry about converting to of_drm_find_and_get_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
[PATCH v3 04/22] drm/bridge: make of_drm_find_bridge() a wrapper of of_drm_find_and_get_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 04/22] drm/bridge: make of_drm_find_bridge() a wrapper of of_drm_find_and_get_bridge() · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 05/22] drm/arcpgu: convert to of_drm_find_and_get_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 05/22] drm/arcpgu: convert to of_drm_find_and_get_bridge() · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 08/22] drm/bridge: imx8qxp-pixel-combiner: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 08/22] drm/bridge: imx8qxp-pixel-combiner: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 07/22] drm/bridge: ite-it66121: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 07/22] drm/bridge: ite-it66121: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 06/22] drm/bridge: add next_bridge pointer to struct drm_bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 06/22] drm/bridge: add next_bridge pointer to struct drm_bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 09/22] drm/bridge: simple-bridge: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 09/22] drm/bridge: simple-bridge: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 10/22] drm/meson: encoder_cvbs: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 10/22] drm/meson: encoder_cvbs: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
Re: [PATCH v3 10/22] drm/meson: encoder_cvbs: get/put the next bridge · Martin Blumenstingl <martin.blumenstingl@googlemail.com> · 2025-12-21
[PATCH v3 11/22] drm/meson: encoder_dsi: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 11/22] drm/meson: encoder_dsi: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
Re: [PATCH v3 11/22] drm/meson: encoder_dsi: get/put the next bridge · Martin Blumenstingl <martin.blumenstingl@googlemail.com> · 2025-12-21
[PATCH v3 12/22] drm/meson: encoder_hdmi: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 12/22] drm/meson: encoder_hdmi: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
Re: [PATCH v3 12/22] drm/meson: encoder_hdmi: get/put the next bridge · Martin Blumenstingl <martin.blumenstingl@googlemail.com> · 2025-12-21
Re: [PATCH v3 12/22] drm/meson: encoder_hdmi: get/put the next bridge · "Luca Ceresoli" <luca.ceresoli@bootlin.com> · 2025-12-22
Re: [PATCH v3 12/22] drm/meson: encoder_hdmi: get/put the next bridge · Martin Blumenstingl <martin.blumenstingl@googlemail.com> · 2025-12-22
[PATCH v3 13/22] drm/bridge: imx8qxp-pxl2dpi: simplify put of device_node pointers · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 13/22] drm/bridge: imx8qxp-pxl2dpi: simplify put of device_node pointers · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 14/22] drm/bridge: imx8qxp-pxl2dpi: remove excess error message · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 14/22] drm/bridge: imx8qxp-pxl2dpi: remove excess error message · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 15/22] drm/bridge: imx8qxp-pxl2dpi: imx8qxp_pxl2dpi_find_next_bridge: return int, not ERR_PTR · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 15/22] drm/bridge: imx8qxp-pxl2dpi: imx8qxp_pxl2dpi_find_next_bridge: return int, not ERR_PTR · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 16/22] drm/bridge: imx8qxp-pxl2dpi: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 16/22] drm/bridge: imx8qxp-pxl2dpi: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 17/22] drm/bridge: imx8qxp-pxl2dpi: get/put the companion bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 17/22] drm/bridge: imx8qxp-pxl2dpi: get/put the companion bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 18/22] drm/bridge: imx8qxp-pixel-link: simplify logic to find next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
[PATCH v3 19/22] drm/bridge: imx8qxp-pixel-link: simplify freeing of the remote device_node · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 19/22] drm/bridge: imx8qxp-pixel-link: simplify freeing of the remote device_node · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 20/22] drm/bridge: imx8qxp-pixel-link: remove excess error message · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 20/22] drm/bridge: imx8qxp-pixel-link: remove excess error message · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 21/22] drm/bridge: imx8qxp-pixel-link: imx8qxp_pixel_link_find_next_bridge: return int, not ERR_PTR · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 21/22] drm/bridge: imx8qxp-pixel-link: imx8qxp_pixel_link_find_next_bridge: return int, not ERR_PTR · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
[PATCH v3 22/22] drm/bridge: imx8qxp-pixel-link: get/put the next bridge · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-16
Re: [PATCH v3 22/22] drm/bridge: imx8qxp-pixel-link: get/put the next bridge · "Maxime Ripard" <mripard@kernel.org> · 2025-12-17
Re: [PATCH v3 00/22] drm/bridge: add of_drm_find_and_get_bridge() and a managed *next_bridge, deprecate of_drm_find_bridge() · Luca Ceresoli <luca.ceresoli@bootlin.com> · 2025-12-30

From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: 2025-12-21 21:50:36
Also in: dri-devel, imx, linux-amlogic, linux-doc, lkml

On Tue, Dec 16, 2025 at 7:00 PM Luca Ceresoli [off-list ref] wrote:

This driver obtains a bridge pointer from of_drm_find_bridge() in the probe
function and stores it until driver removal. of_drm_find_bridge() is
deprecated. Move to of_drm_find_and_get_bridge() for the bridge to be
refcounted and use bridge->next_bridge to put the reference on
deallocation.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

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