Re: [PATCH 2/2] video:omapdrm: make omapdrm assume the tv-out cable is always connected

[Tomi Valkeinen <tomi.valkeinen@ti.com>]

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On 13/11/15 12:29, H. Nikolaus Schaller wrote:
> Include VENC in the set of drivers where it is assimed that the cable
> is always connected. Like DPI, DSI, DBI and SDI do.
> 
> Otherwise, the VENC will return cable status "unknown" and is not enabled
> by the X-server. So there is no video output signal.
> 
> Tested on: BeagleBoard XM, GTA04 and OpenPandora
> 
> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
> ---
>  drivers/gpu/drm/omapdrm/omap_connector.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
> index 83f2a91..98ddb5d 100644
> --- a/drivers/gpu/drm/omapdrm/omap_connector.c
> +++ b/drivers/gpu/drm/omapdrm/omap_connector.c
> @@ -120,6 +120,7 @@ static enum drm_connector_status omap_connector_detect(
>  		else
>  			ret = connector_status_disconnected;
>  	} else if (dssdev->type == OMAP_DISPLAY_TYPE_DPI ||
> +			dssdev->type == OMAP_DISPLAY_TYPE_VENC ||
>  			dssdev->type == OMAP_DISPLAY_TYPE_DBI ||
>  			dssdev->type == OMAP_DISPLAY_TYPE_SDI ||
>  			dssdev->type == OMAP_DISPLAY_TYPE_DSI) {
> 

I have no idea why VENC is not working for you when using
connector_status_unknown, but I just tested DPI with
connector_status_unknown (i.e. changed the above func to return unknown
for DPI), and it works fine with X and X omap driver. And xrandr
confirms that the connection status is unknown:

# xrandr
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 2048 x 2048
HDMI-1 disconnected (normal left inverted right x axis y axis)
None-1 unknown connection 1920x1200+0+0 (normal left inverted right x
axis y axis) 0mm x 0mm
   1920x1200     60.00*+  60.00 +

Grep also shows that there are many drivers using
connector_status_unknown, so I'm guessing it should work fine...

 Tomi


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