Hi Stephen, On Tue, Aug 10, 2021 at 10:26:33PM -0700, Stephen Boyd wrote: > Quoting Laurent Pinchart (2021-06-23 17:03:02) > > To simplify interfacing with the panel, wrap it in a panel-bridge and > > let the DRM bridge helpers handle chaining of operations. > > > > This also prepares for support of DRM_BRIDGE_ATTACH_NO_CONNECTOR, which > > requires all components in the display pipeline to be represented by > > bridges. > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > Reviewed-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > > --- > > With this patch applied I get two eDP devices on Lazor sc7180 (it is the > arch/arm64/boot/dts/qcom/sc7180-trogdor-lazor*.dts files if you're > looking for more info). As far as I can tell, we should only have one > eDP device on the board, for the bridge. > > localhost ~ # ls -l /sys/class/drm/card1-eDP* > lrwxrwxrwx. 1 root root 0 Aug 10 22:24 /sys/class/drm/card1-eDP-1 -> > ../../devices/platform/soc@0/ae00000.mdss/drm/card1/card1-eDP-1 > lrwxrwxrwx. 1 root root 0 Aug 10 22:24 /sys/class/drm/card1-eDP-2 -> > ../../devices/platform/soc@0/ae00000.mdss/drm/card1/card1-eDP-2 Indeed. Does the display driver use the DRM connector bridge helper and DRM_BRIDGE_ATTACH_NO_CONNECTOR on that platform ? -- Regards, Laurent Pinchart
