[PATCH v4 00/11] drm/sun4i: hdmi: Support HDMI controller on A31
Maxime Ripard
maxime.ripard at free-electrons.com
Wed Oct 11 08:00:56 UTC 2017
On Tue, Oct 10, 2017 at 03:19:57AM +0000, Chen-Yu Tsai wrote:
> Hi everyone,
>
> This is v4 of my A31 HDMI support series. The DTS patches depend on
> the patch "clk: sunxi-ng: sun6i: Export video PLLs" alreay merged.
> The DRM patches depend on "regmap: add iopoll-like polling macro for
> regmap_field" already merged on a topic branch in the regmap repository.
>
> Changes since v3:
>
> - Renamed sun4i_get_first_tcon() to sun4i_get_tcon0()
>
> - Made sun4i_get_tcon0() return NULL when it fails, and
> sun6i_tcon_set_mux() will error out if that happens.
>
> - Removed has_unknown_mux field in tcon_quirks structure,
> as its function is replaced by the per-soc muxing function
> pointer.
>
> - Dropped clk and regmap patches that were merged.
>
> Changes since v2:
>
> - TCON muxing moved into functions for each platform, with pointers
> to them in the TCON quirks structure.
>
> - CCU "hdmi-ddc" clock renamed to "ddc".
>
> - Added Maxime's acks.
>
> Changes since v1:
>
> - Core changes to sun4i-drm to support two display pipelines
> have been merged into drm-misc and thus dropped from this
> version
>
> - Reworked DDC variant support onto new exposed I2C interface bits.
>
> - Reworked DDC variant support to use regmap_fields.
>
> - Patches to add variant support to various (TMDS, DDC, HDMI
> controller) sub-blocks have been merged into one patch.
>
> This series adds support for the HDMI controller found on Allwinner
> A31/A31s SoCs. It builds upon Maxime's work that added support for
> the HDMI controller on the Allwinner A10s SoC.
>
> The HDMI controllers in the older generation Allwinner SoCs is very
> similar. The A10/A10s/A20 all have the same hardware block, with the
> A10 having slightly different initial configuration values. The A31's
> variant splits out the DDC parent clock, has different formulas for
> the DDC and TMDS clocks, and a different register layout for the DDC
> block.
Applied everything, thanks!
> Also, it does not expose the CEC pins outside of the SoC, which is
> unfortunate.
Maybe we shouldn't register the CEC adapter in that case then? Can you
send an additional patch for that?
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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