Re: [PATCH 13/19] drm/sun4i: hdmi: Add support for controller hardware variants

2017-06-04 Thread Chen-Yu Tsai
On Sat, Jun 3, 2017 at 3:38 AM, Maxime Ripard wrote: > On Fri, Jun 02, 2017 at 06:10:18PM +0800, Chen-Yu Tsai wrote: >> The HDMI controller found in earlier Allwinner SoCs have slight >> differences: >> >> - Need different initial values for the PLL related registers >> >> - Different behavior

[PATCH 13/19] drm/sun4i: hdmi: Add support for controller hardware variants

2017-06-03 Thread Chen-Yu Tsai
The HDMI controller found in earlier Allwinner SoCs have slight differences: - Need different initial values for the PLL related registers - Different behavior of the DDC and TMDS clocks - Different register layout for the DDC portion - Separate DDC parent clock on the A31 - Explicit

Re: [PATCH 13/19] drm/sun4i: hdmi: Add support for controller hardware variants

2017-06-02 Thread Maxime Ripard
On Fri, Jun 02, 2017 at 06:10:18PM +0800, Chen-Yu Tsai wrote: > The HDMI controller found in earlier Allwinner SoCs have slight > differences: > > - Need different initial values for the PLL related registers > > - Different behavior of the DDC and TMDS clocks > > - Different register layo