<pre>
Hi Angelo,

Just reminder there is a dt-binding patch [1]
[1] dt-bindings: mediatek: Add gamma compatible for mt8195

https://patchwork.kernel.org/project/linux-mediatek/patch/20220912013006.27541-3-jason-jh.lin@mediatek.com/

On Sat, 2023-05-06 at 14:35 +0200, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until
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>
>
> Changes in v3:
> - Fixed issues due to variables renaming during cleanup (oops)
> - This is actually the right series, since v2 was taken from the
> wrong kernel tree.... :-)
>
> Changes in v2:
> - Added explicit inclusion of linux/bitfield.h in patch [06/11]
>
> This series adds support for GAMMA IP requiring and/or supporting
> a 12-bits LUT using a slightly different register layout and
> programming
> sequence for multiple LUT banks: this IP version is currently found
> on a number of SoCs, not only including the Chromebook/IoT oriented
> Kompanio 1200/1380 MT8195/MT8195T, but also Smartphone chips such as
> the Dimensity 9200 (MT6985) and others.
>
> This series was tested on MT8195, MT8192, MT8173, MT6795:
> * MT6795, MT8192, MT8173: No regression, works fine.
> * MT8195: Color correction is finally working!

Thanks for your help :)

Regards,
Jason-JH.Lin

>
> AngeloGioacchino Del Regno (10):
> drm/mediatek: gamma: Reduce indentation in mtk_gamma_set_common()
> drm/mediatek: gamma: Support SoC specific LUT size
> drm/mediatek: gamma: Improve and simplify HW LUT calculation
> drm/mediatek: gamma: Enable the Gamma LUT table only after
> programming
> drm/mediatek: gamma: Use bitfield macros
> drm/mediatek: gamma: Support specifying number of bits per LUT
> component
> drm/mediatek: gamma: Support multi-bank gamma LUT
> drm/mediatek: gamma: Add support for 12-bit LUT and MT8195
> drm/mediatek: gamma: Make sure relay mode is disabled
> drm/mediatek: gamma: Program gamma LUT type for descending or
> rising
>
> Jason-JH.Lin (1):
> drm/mediatek: gamma: Adjust mtk_drm_gamma_set_common parameters
>
> drivers/gpu/drm/mediatek/mtk_disp_aal.c | 2 +-
> drivers/gpu/drm/mediatek/mtk_disp_drv.h | 3 +-
> drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 197 +++++++++++++++++-
> --
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +-
> drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 1 -
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 +
> drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +
> 7 files changed, 181 insertions(+), 36 deletions(-)
>
> --
> 2.40.1
>
>

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