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Message-ID: <f7679f4c93aca9a11b9078611b6c4952e83c9a9e.camel@baylibre.com>
Date:   Tue, 13 Nov 2018 15:18:55 +0100
From:   jbrunet@...libre.com
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     linux-clk@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/4] clk: meson: Add video clocks path

On Tue, 2018-11-06 at 15:57 +0100, Neil Armstrong wrote:
> This patchset is an attempt to handle the Amlogic Meson GX Video clock
> in the Common Clock Framework in order to move the video pipeline and
> HDMI controller clock management out of the Meson DRM Driver.
> 
> In order :
> - Add support the VID_PLL fully programmable divider used right after the
>   HDMI PLL clock source.
> - Fix the GXL HDMI PLL DCO
> - Add the video clock bindings covering all the video graphics pipeline
>   and the HDMI controller.
> - Add the clocks entries used in the video clock path
> 
> The vid_pll programmable divider is introduced in its R/O form right now,
> but will be extended to be R/W in a next iteration.
> 
> All dividers are flagged with CLK_GET_RATE_NOCACHE, and all gates are
> flagged
> with CLK_IGNORE_UNUSED since they are currently directly handled by the
> Meson DRM Driver.
> 
> Once the DRM Driver is fully migrated to using the Common Clock Framework
> to handle the video clock tree, the CLK_GET_RATE_NOCACHE and
> CLK_IGNORE_UNUSED
> will be dropped.
> 
> Changes since v1 at [1]:
>  - Fixed comments from Martin
>  - Fixed GXL HDMI PLL DCO
>  - Added the missing HDMI controller clock
>  - Moved bindings to a separate patch
>  - Updated the commit logs
> 
> [1] 
> https://lkml.kernel.org/r/1532079581-978-1-git-send-email-narmstrong@baylibre.com
> 
> Neil Armstrong (4):
>   clk: meson: Add vid_pll divider driver
>   clk: meson-gxbb: Fix HDMI PLL for GXL SoCs
>   dt-bindings: clk: meson-gxbb: Add Video clock bindings
>   clk: meson-gxbb: Add video clocks
> 
>  drivers/clk/meson/Makefile            |   2 +-
>  drivers/clk/meson/clkc.h              |   6 +
>  drivers/clk/meson/gxbb.c              | 773
> +++++++++++++++++++++++++++++++++-
>  drivers/clk/meson/gxbb.h              |  26 +-
>  drivers/clk/meson/vid-pll-div.c       |  91 ++++
>  include/dt-bindings/clock/gxbb-clkc.h |  18 +
>  6 files changed, 911 insertions(+), 5 deletions(-)
>  create mode 100644 drivers/clk/meson/vid-pll-div.c
> 

Looks sane enough ;)

Acked-by: Jerome Brunet <jbrunet@...libre.com>

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