Re: [linux-sunxi] [PATCH v2 00/27] Add support for R40 HDMI pipeline

[Jagan Teki]

On Wed, Jun 13, 2018 at 1:30 AM, Jernej Skrabec <jernej.skrabec@xxxxxxxx> wrote:
> This series adds support for R40 HDMI pipeline. It is a bit special
> than other already supported pipelines because it has additional unit
> called TCON TOP responsible for relationship configuration between
> mixers, TCONs and HDMI. Additionally, it has additional gates for DSI
> and TV TCONs, TV encoder clock settings and pin muxing between LCD
> and TV encoders.
>
> However, it seems that TCON TOP will become a norm, since newer
> Allwinner SoCs like H6 also have this unit.
>
> I tested different possible configurations:
> - mixer0 <> TCON-TV0 <> HDMI
> - mixer0 <> TCON-TV1 <> HDMI
> - mixer1 <> TCON-TV0 <> HDMI
> - mixer1 <> TCON-TV1 <> HDMI
>
> Please review.
>
> Best regards,
> Jernej
>
> Changes from v1:
> - Split DT bindings patch and updated description
> - Split HDMI PHY patch
> - Move header file from TCON TOP patch to dt bindings patch
> - Added Rob reviewed-by tag
> - Used clk_hw_register_gate() instead of custom gate registration code
> - Reworked TCON TOP to be part of of-graph. Because of that, a lot of
>   new patches were added.
> - Droped mixer index quirk patch
> - Reworked TCON support for TCON TOP
> - Updated commit messages
>
> Jernej Skrabec (27):
>   clk: sunxi-ng: r40: Add minimal rate for video PLLs
>   clk: sunxi-ng: r40: Allow setting parent rate to display related
>     clocks
>   clk: sunxi-ng: r40: Export video PLLs
>   dt-bindings: display: sunxi-drm: Add TCON TOP description
>   drm/sun4i: Add TCON TOP driver
>   drm/sun4i: Fix releasing node when enumerating enpoints
>   drm/sun4i: Split out code for enumerating endpoints in output port
>   drm/sun4i: Add support for traversing graph with TCON TOP
>   drm/sun4i: Don't skip TCONs if they don't have channel 0
>   dt-bindings: display: sun4i-drm: Add R40 TV TCON description
>   drm/sun4i: tcon: Add support for tcon-top gate
>   drm/sun4i: tcon: Generalize engine search algorithm
>   drm/sun4i: Don't check for LVDS and RGB when TCON has only ch1
>   drm/sun4i: Don't check for panel or bridge on TV TCONs
>   drm/sun4i: Add support for R40 TV TCON
>   dt-bindings: display: sun4i-drm: Add R40 mixer compatibles
>   drm/sun4i: Add support for R40 mixers
>   dt-bindings: display: sun4i-drm: Add description of A64 HDMI PHY
>   drm/sun4i: Enable DW HDMI PHY clock
>   drm/sun4i: Don't change clock bits in DW HDMI PHY driver
>   drm/sun4i: DW HDMI PHY: Add support for second PLL
>   drm/sun4i: Add support for second clock parent to DW HDMI PHY clk
>     driver
>   drm/sun4i: Add support for A64 HDMI PHY
>   drm: of: Export drm_crtc_port_mask()
>   drm/sun4i: DW HDMI: Expand algorithm for possible crtcs
>   ARM: dts: sun8i: r40: Add HDMI pipeline
>   ARM: dts: sun8i: r40: Enable HDMI output on BananaPi M2 Ultra

Tested whole series on top of linux-next.

Tested-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>