linux-kernel - Re: [PATCH v2] drm/mediatek: Fix color format MACROs in OVL

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Message-ID: <CAC=S1niFFuKiw1hC-pV-dSVP_cd6YiAU+7a7xLYgokLc-DtOcQ@mail.gmail.com>
Date: Wed, 16 Oct 2024 21:30:10 +0800
From: Fei Shao <fshao@...omium.org>
To: Hsin-Te Yuan <yuanhsinte@...omium.org>
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, dri-devel@...ts.freedesktop.org, 
	linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, dianders@...omium.org
Subject: Re: [PATCH v2] drm/mediatek: Fix color format MACROs in OVL

On Wed, Oct 16, 2024 at 7:10 PM Hsin-Te Yuan <yuanhsinte@...omium.org> wrote:
>
> In commit 9f428b95ac89 ("drm/mediatek: Add new color format MACROs in
> OVL"), some new color formats are defined in the MACROs to make the
> switch statement more concise. That commit was intended to be a no-op
> cleanup. However, there are typos in these formats MACROs, which cause
> the return value to be incorrect. Fix the typos to ensure the return
> value remains unchanged.
>
> Fixes: 9f428b95ac89 ("drm/mediatek: Add new color format MACROs in OVL")
> Signed-off-by: Hsin-Te Yuan <yuanhsinte@...omium.org>
> ---
> Changes in v2:
> - Clarify that the commit get fixed was intended to be a no-op cleanup
> - Fix the typo in tag
> - Link to v1: https://lore.kernel.org/r/20241015-color-v1-1-35b01fa0a826@chromium.org
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 89b439dcf3a6af9f5799487fdc0f128a9b5cbe4a..1632ac5c23d87e1cdc41013a9cf7864728dcb63b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -65,8 +65,8 @@
>  #define OVL_CON_CLRFMT_RGB     (1 << 12)
>  #define OVL_CON_CLRFMT_ARGB8888        (2 << 12)
>  #define OVL_CON_CLRFMT_RGBA8888        (3 << 12)
> -#define OVL_CON_CLRFMT_ABGR8888        (OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP)
> -#define OVL_CON_CLRFMT_BGRA8888        (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP)
> +#define OVL_CON_CLRFMT_ABGR8888        (OVL_CON_CLRFMT_ARGB8888 | OVL_CON_BYTE_SWAP)
> +#define OVL_CON_CLRFMT_BGRA8888        (OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP)
>  #define OVL_CON_CLRFMT_UYVY    (4 << 12)
>  #define OVL_CON_CLRFMT_YUYV    (5 << 12)
>  #define OVL_CON_MTX_YUV_TO_RGB (6 << 16)
>
> ---
> base-commit: 75b607fab38d149f232f01eae5e6392b394dd659
> change-id: 20241015-color-e205e75b64aa
>
> Best regards,
> --
> Hsin-Te Yuan <yuanhsinte@...omium.org>
>

You missed Doug's R-b tag in v1:
https://lore.kernel.org/all/CAD=FV=XrrhUoB9=JuPY2erLMA7S-EREqvP5t8NNuBuUiA4rZjQ@mail.gmail.com/

Can you resend v3 with both R-b tags this time?

Thanks,
Fei