linux-kernel - Re: [PATCH v13,0/3] Add dpi output format control for MT8186

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Message-ID: <c9228b64-c786-fa24-ff96-376eacfb1816@gmail.com>
Date:   Tue, 8 Nov 2022 19:27:04 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     xinlei.lee@...iatek.com, rex-bc.chen@...iatek.com,
        angelogioacchino.delregno@...labora.com, jason-jh.lin@...iatek.com,
        nfraprado@...labora.com, chunkuang.hu@...nel.org,
        p.zabel@...gutronix.de, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v13,0/3] Add dpi output format control for MT8186

Hi Xinlei,

Somehow b4 broke with your thread but I was able to apply patch 1 and 2 by hand.

Thanks
Matthias

On 24/10/2022 04:04, xinlei.lee@...iatek.com wrote:
> From: Xinlei Lee <xinlei.lee@...iatek.com>
> 
> Base on the branch of linus/master v6.1 rc1.
> 
> Change since v12:
> 1. Add MT8186_ prefix to variables added in mt8186-mmsys.h file.
> 
> Change since v11:
> 1. Rebase on v6.1-rc1. Change nothing.
> 
> Change since v10:
> 1. Modify patch title and add review tag.
> 
> Change since v9:
> 1. Modify the location of the mmsys_dev member variable.
> 
> Change since v8:
> 1. Modified the title and some description information.
> 
> Changes since v7:
> 1. This series is based on the following patch:
>     [1] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
>     https://patchwork.kernel.org/project/linux-mediatek/patch/1663161662-1598-2-git-send-email-xinlei.lee@mediatek.com/
> 2. Modify the DPI_FORMAT_MASK macro definition to GENMASK(1, 0);
> 3. Add all settings to mtk_mmsys_ddp_dpi_fmt_config;
> 4. Modify the commit title to Add mt8186 dpi compatibles and platform
> data.
> 
> Changes since v6:
> 1. Different from other ICs, when mt8186 DPI changes the output format,
> the mmsys_base+400 register needs to be set to be valid at the same
> time.
>     In this series, all the situations that mmsys need to be set up are
> perfected (not necessarily used in practice).
> 2. Put the value that controls the mmsys function in mtk-mmsys.h.
> 3. Encountered the sink ic switched between dual edge and single edge,
> perfected setting and clearing mmsys bit operations in mtk_dpi.c.
> 
> Changes since v5:
> 1. Separate the patch that adds edge_cfg_in_mmsys from the patch that
> adds mt8186 dpi support.
> 2. Move the mmsys register definition to mmsys driver.
>   
> Changes since v4:
> 1. This series of cancellations is based on the following patches:
>     [1] Add MediaTek SoC(vdosys1) support for mt8195
>     https://patchwork.kernel.org/project/linux-mediatek/cover/20220711075245.10492-1-nancy.lin@mediatek.com/
>     [2] Add MediaTek SoC DRM (vdosys1) support for mt8195
>     https://patchwork.kernel.org/project/linux-mediatek/cover/20220804072827.22383-1-nancy.lin@mediatek.com/
> 2. Added mtk_mmsys_update_bits function in mtk-mmsys.c;
> 3. MMSYS 0x400 register is modified to MT8186_MMSYS_DPI_OUTPUT_FORMAT;
> 4. Fix formatting issues.
> 
> Changes since v3:
> 1. Fix formatting issues;
> 2. Modify the edge output control name & description;
> 3. Fix the threading problem.
> 
> Changes since v2:
> 1. Modify key nouns in the description;
> 2. Add the label of jitao to Co-developed-by;
> 3. Macro definition address lowercase problem and function naming;
> 4. Add missing a description of this property in the mtk_dpi_conf.
> 
> Change since v1:
> 1. Modify mt8186 compatiable location.
> 2. Modify MT8186_DPI_OUTPUT_FORMAT name.
> 
> When MT8186 outputs dpi signal, it is necessary to add dual edge output
> format control in mmsys.
> 
> Xinlei Lee (3):
>    soc: mediatek: Add all settings to mtk_mmsys_ddp_dpi_fmt_config func
>    drm: mediatek: Set dpi format in mmsys
>    drm: mediatek: Add mt8186 dpi compatibles and platform data
> 
>   drivers/gpu/drm/mediatek/mtk_dpi.c     | 32 ++++++++++++++++++++++++++
>   drivers/gpu/drm/mediatek/mtk_drm_drv.c |  2 ++
>   drivers/soc/mediatek/mt8186-mmsys.h    |  8 ++++---
>   drivers/soc/mediatek/mtk-mmsys.c       | 27 +++++++++++++++++-----
>   include/linux/soc/mediatek/mtk-mmsys.h |  7 ++++++
>   5 files changed, 67 insertions(+), 9 deletions(-)
>