linux-loongson/drivers/gpu/drm/imx/ipuv3
Maxime Ripard 98007a0d56
drm/bridge: Add encoder parameter to drm_bridge_funcs.attach
The drm_bridge structure contains an encoder pointer that is widely used
by bridge drivers. This pattern is largely documented as deprecated in
other KMS entities for atomic drivers.

However, one of the main use of that pointer is done in attach to just
call drm_bridge_attach on the next bridge to add it to the bridge list.
While this dereferences the bridge->encoder pointer, it's effectively
the same encoder the bridge was being attached to.

We can make it more explicit by adding the encoder the bridge is
attached to to the list of attach parameters. This also removes the need
to dereference bridge->encoder in most drivers.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250313-bridge-connector-v6-1-511c54a604fb@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
2025-03-20 14:45:38 +01:00
..
dw_hdmi-imx.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
imx-drm-core.c Merge remote-tracking branch 'drm/drm-next' into drm-misc-next 2024-12-09 16:35:21 +01:00
imx-drm.h drm/imx: move imx_drm_connector_destroy to imx-tve 2024-09-03 02:35:35 +03:00
imx-ldb.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
imx-tve.c drm/connector: make mode_valid take a const struct drm_display_mode 2025-01-07 12:45:19 +02:00
ipuv3-crtc.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
ipuv3-plane.c drm/imx: Add drm_panic support 2024-04-15 16:14:07 +02:00
ipuv3-plane.h
Kconfig drm/imx: parallel-display: add legacy bridge Kconfig dependency 2024-10-22 15:37:19 +02:00
Makefile
parallel-display.c drm/bridge: Add encoder parameter to drm_bridge_funcs.attach 2025-03-20 14:45:38 +01:00