On Friday 13 November 2015 13:46:01 Tomi Valkeinen wrote:
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...
And beside it's not right to consider VENC as always connected, as it isn't. The unknown status is there for a reason, to describe connectors for which we can't get any status information. The situation is different for DPI, DBI, SDI and DSI as those are on-board busses that connect to a non-removable panel, so we can say with a good confidence that the panel is connected (the situation could be changed with a hammer and a chisel, but that's unlikely to happen, hence the confidence).