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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: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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@ -19,6 +19,7 @@
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#include <linux/clk-provider.h>
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#include <linux/clk-provider.h>
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#include <linux/ioport.h>
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#include <linux/ioport.h>
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#include <linux/of_address.h>
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#include <linux/of_address.h>
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#include <linux/of_graph.h>
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#include <linux/of_irq.h>
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#include <linux/of_irq.h>
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#include <linux/regmap.h>
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#include <linux/regmap.h>
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@ -160,5 +161,9 @@ struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm)
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drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);
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drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs);
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/* Set crtc.port to output port node of the tcon */
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scrtc->crtc.port = of_graph_get_port_by_id(drv->tcon->dev->of_node,
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1);
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return scrtc;
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return scrtc;
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}
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}
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