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From:   Jagan Teki <jagan@amarulasolutions.com>
Date:   Thu, 14 Jun 2018 12:42:41 +0530
Message-ID: <CAMty3ZC-Edg5XJQpqEuwLbSFzmam3zP3zUPak4K7ypyT2+arAg@mail.gmail.com>
Subject: Re: [linux-sunxi] [PATCH v2 00/27] Add support for R40 HDMI pipeline
To:     Jernej Skrabec <jernej.skrabec@siol.net>
Cc:     Maxime Ripard <maxime.ripard@bootlin.com>,
        Chen-Yu Tsai <wens@csie.org>, Rob Herring <robh+dt@kernel.org>,
        David Airlie <airlied@linux.ie>, gustavo@padovan.org,
        maarten.lankhorst@linux.intel.com, seanpaul@chromium.org,
        Mark Rutland <mark.rutland@arm.com>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        devicetree <devicetree@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux-clk <linux-clk@vger.kernel.org>,
        linux-sunxi <linux-sunxi@googlegroups.com>
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Sender: linux-kernel-owner@vger.kernel.org
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On Wed, Jun 13, 2018 at 1:30 AM, Jernej Skrabec <jernej.skrabec@siol.net> 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@amarulasolutions.com>