Re: [RESEND PATCH 0/4] drm/meson: power domain init related fixes

From: Jerome Brunet
Date: Fri Dec 08 2017 - 04:04:31 EST


On Wed, 2017-12-06 at 12:54 +0100, Neil Armstrong wrote:
> On the Amlogic Gx SoCs (GXBB, GXL & GXM), the VPU power domain is initialized
> by the vendor U-Boot code, but running mainline U-boot has been possible
> on these SoCs. But lacking such init made the system lock at kernel boot.
>
> A PM Power Domain driver has been pushed at [1] to solve the main issue.
> The following patches :
> - updates the DT bindings accordingly
> - adds support for missing regulators and registers init
>
> Neil Armstrong (4):
> dt-bindings: display: amlogic,meson-vpu: Add optional power domain
> property
> dt-bindings: display: amlogic,meson-dw-hdmi: Add optional HDMI 5V
> regulator
> drm/meson: dw_hdmi: Add support for an optional external 5V regulator
> drm/meson: Add missing VPU init
>
> .../devicetree/bindings/display/amlogic,meson-dw-hdmi.txt | 4 ++++
> .../devicetree/bindings/display/amlogic,meson-vpu.txt | 4 ++++
> drivers/gpu/drm/meson/meson_drv.c | 9 +++++++++
> drivers/gpu/drm/meson/meson_dw_hdmi.c | 13
> +++++++++++++
> drivers/gpu/drm/meson/meson_registers.h | 4 ++++
> 5 files changed, 34 insertions(+)
>

No dependencies on the bootloader anymore, this is great ! Thanks
Series tested on libretech-cc s905x

Tested-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Reviewed-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>