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drm: bridge: Link encoder and bridge in core code

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Instead of linking encoders and bridges in every driver (and getting it
wrong half of the time, as many drivers forget to set the drm_bridge
encoder pointer), do so in core code. The drm_bridge_attach() function
needs the encoder and optional previous bridge to perform that task,
update all the callers.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Stefan Agner <stefan@agner.ch> # For DCU
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> # For atmel-hlcdc
Acked-by: Vincent Abriou <vincent.abriou@st.com> # For STI
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> # For sun4i
Acked-by: Xinliang Liu <z.liuxinliang@hisilicon.com> # For hisilicon
Acked-by: Jyri Sarha <jsarha@ti.com> # For tilcdc
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1481709550-29226-4-git-send-email-laurent.pinchart+renesas@ideasonboard.com
This commit is contained in:
Laurent Pinchart
2016-11-28 17:59:08 +02:00
committed by Archit Taneja
parent 2407d1dc04
commit 3bb80f2495
25 changed files with 85 additions and 110 deletions
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5
drivers/gpu/drm/arc/arcpgu_hdmi.c
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@@ -47,10 +47,7 @@ int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np)
return ret;
/* Link drm_bridge to encoder */
bridge->encoder = encoder;
encoder->bridge = bridge;
ret = drm_bridge_attach(drm, bridge);
ret = drm_bridge_attach(encoder, bridge, NULL);
if (ret)
drm_encoder_cleanup(encoder);