linux-kernel - Re: [PATCH v1 v1 4/7] drm/fourcc: Add drm/vs tiled modifiers

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Message-ID: <clxexkf4wjx5sxlxz3znbxehgxob2vw56v4pn63vuu6kfffyxo@bek3dvzsz5id>
Date:   Tue, 1 Aug 2023 13:45:54 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Keith Zhao <keith.zhao@...rfivetech.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        christian.koenig@....com, Bjorn Andersson <andersson@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Shawn Guo <shawnguo@...nel.org>, Jagan Teki <jagan@...eble.ai>,
        Chris Morgan <macromorgan@...mail.com>,
        Jack Zhu <jack.zhu@...rfivetech.com>,
        Shengyang Chen <shengyang.chen@...rfivetech.com>,
        Changhuang Liang <changhuang.liang@...rfivetech.com>
Subject: Re: [PATCH v1 v1 4/7] drm/fourcc: Add drm/vs tiled modifiers

On Tue, Aug 01, 2023 at 06:10:27PM +0800, Keith Zhao wrote:
> These are mainly used internally in vs-drm,
> I'm not sure if the new modifiers can be used with the existing ones.
> If there is a problem, I will improve it further.
> 
> Signed-off-by: Keith Zhao <keith.zhao@...rfivetech.com>
> ---
>  include/uapi/drm/drm_fourcc.h | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 8db7fd3f7..0b884cf50 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -419,6 +419,7 @@ extern "C" {
>  #define DRM_FORMAT_MOD_VENDOR_ARM     0x08
>  #define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09
>  #define DRM_FORMAT_MOD_VENDOR_AMLOGIC 0x0a
> +#define DRM_FORMAT_MOD_VENDOR_VS      0x0b

Please don't use any acronym there.

Maxime

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