Quoting mkrishn@xxxxxxxxxxxxxx (2021-09-30 04:56:59) > On 2021-08-19 01:27, Stephen Boyd wrote: > > Quoting Krishna Manikandan (2021-08-18 03:27:02) > >> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi > >> b/arch/arm64/boot/dts/qcom/sc7280.dtsi > >> index 53a21d0..fd7ff1c 100644 > >> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi > >> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi > >> + > >> + status = "disabled"; > >> + > >> + mdp: mdp@ae01000 { > > > > display-controller@ae01000 > > Stephen, > In the current driver code, there is a substring comparison for "mdp" > in device node name as part of probe sequence. If "mdp" is not present > in the node name, it will > return an error resulting in probe failure. Can we continue using mdp > as nodename instead of display controller? > Can we fix the driver to not look for node names and look for compatible strings instead? It took me a minute to find compare_name_mdp() in drivers/gpu/drm/msm/msm_drv.c to understand what you're talking about. Perhaps looking for qcom,mdp5 in there will be sufficient instead of looking at the node name.