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Commit 75448607 authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Maxime Ripard
Browse files

drm/sun4i: Set drm_crtc.port to the underlying TCON's output port node 



The way drm_of_find_possible_crtcs works is it tries to match the
remote-endpoint of the given node's various endpoints to all the
crtc's .port field. Thus we need to set drm_crtc.port to the output
port node of the underlying TCON.

Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent a6fbffb0

drivers/gpu/drm/sun4i/sun4i_crtc.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/clk-provider.h>

#include <linux/clk-provider.h>

#include <linux/ioport.h>

#include <linux/ioport.h>

#include <linux/of_address.h>

#include <linux/of_address.h>

#include <linux/of_graph.h>

#include <linux/of_irq.h>

#include <linux/of_irq.h>

#include <linux/regmap.h>

#include <linux/regmap.h>
@@ -160,5 +161,9 @@ struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm) 




	drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);

	drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);





	/* Set crtc.port to output port node of the tcon */

	scrtc->crtc.port = of_graph_get_port_by_id(drv->tcon->dev->of_node,

						   1);



	return scrtc;

	return scrtc;

}
 
}