Messages in this thread | | | Date | Mon, 7 Apr 2014 21:46:54 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH] imx-drm: imx-drm-core: Fix imx_drm_encoder_get_mux_id |
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On Mon, Apr 07, 2014 at 10:22:36AM +0200, Philipp Zabel wrote: > The decoder mux id is equal to the port id of the encoder's input port > that is connected to the given crtc, not to the endpoint id (which is > arbitrary and usually zero). > > Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
It fixes a color corruption issue on my dual display case (LVDS + HDMI).
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Shawn
> --- > drivers/staging/imx-drm/imx-drm-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c > index 4144a75..bc7f8bd 100644 > --- a/drivers/staging/imx-drm/imx-drm-core.c > +++ b/drivers/staging/imx-drm/imx-drm-core.c > @@ -517,7 +517,7 @@ int imx_drm_encoder_get_mux_id(struct device_node *node, > of_node_put(port); > if (port == imx_crtc->port) { > ret = of_graph_parse_endpoint(ep, &endpoint); > - return ret ? ret : endpoint.id; > + return ret ? ret : endpoint.port; > } > } while (ep); > > -- > 1.9.1 >
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