linux-kernel - Re: [PATCH v4 5/8] drm/vkms: Add support for RGB888 formats

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Message-ID: <37d5b8d8-fdfb-4b10-9095-7f953d7a5ad1@igalia.com>
Date: Wed, 11 Jun 2025 17:02:47 -0300
From: Maíra Canal <mcanal@...lia.com>
To: Louis Chauvet <louis.chauvet@...tlin.com>,
 Melissa Wen <melissa.srw@...il.com>, Maíra Canal
 <mairacanal@...eup.net>, Haneen Mohammed <hamohammed.sa@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rodrigo Siqueira <siqueira@...lia.com>,
 Simona Vetter <simona.vetter@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, arthurgrillo@...eup.net,
 linux-kernel@...r.kernel.org, jeremie.dautheribes@...tlin.com,
 miquel.raynal@...tlin.com, thomas.petazzoni@...tlin.com,
 seanpaul@...gle.com, nicolejadeyee@...gle.com
Subject: Re: [PATCH v4 5/8] drm/vkms: Add support for RGB888 formats

On 5/30/25 11:06, Louis Chauvet wrote:
> Add the support for:
> - RGB888
> - BGR888
> 
> Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>

Reviewed-by: Maíra Canal <mcanal@...lia.com>

Best Regards,
- Maíra

> ---
>   drivers/gpu/drm/vkms/vkms_formats.c | 7 +++++++
>   drivers/gpu/drm/vkms/vkms_plane.c   | 2 ++
>   2 files changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index 2c5cc8d3a14c..5106441f916b 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -461,6 +461,9 @@ READ_LINE_ARGB8888(ABGR8888_read_line, px, px[3], px[0], px[1], px[2])
>   READ_LINE_ARGB8888(RGBA8888_read_line, px, px[0], px[3], px[2], px[1])
>   READ_LINE_ARGB8888(BGRA8888_read_line, px, px[0], px[1], px[2], px[3])
>   
> +READ_LINE_ARGB8888(RGB888_read_line, px, 0xFF, px[2], px[1], px[0])
> +READ_LINE_ARGB8888(BGR888_read_line, px, 0xFF, px[0], px[1], px[2])
> +
>   READ_LINE_le16161616(ARGB16161616_read_line, px, px[3], px[2], px[1], px[0])
>   READ_LINE_le16161616(ABGR16161616_read_line, px, px[3], px[0], px[1], px[2])
>   READ_LINE_le16161616(XRGB16161616_read_line, px, cpu_to_le16(0xFFFF), px[2], px[1], px[0])
> @@ -686,6 +689,10 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
>   		return &RGBX8888_read_line;
>   	case DRM_FORMAT_BGRX8888:
>   		return &BGRX8888_read_line;
> +	case DRM_FORMAT_RGB888:
> +		return RGB888_read_line;
> +	case DRM_FORMAT_BGR888:
> +		return BGR888_read_line;
>   	case DRM_FORMAT_ARGB16161616:
>   		return &ARGB16161616_read_line;
>   	case DRM_FORMAT_ABGR16161616:
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index d3783a8f84c2..e82b60fcda4b 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -21,6 +21,8 @@ static const u32 vkms_formats[] = {
>   	DRM_FORMAT_XBGR8888,
>   	DRM_FORMAT_RGBX8888,
>   	DRM_FORMAT_BGRX8888,
> +	DRM_FORMAT_RGB888,
> +	DRM_FORMAT_BGR888,
>   	DRM_FORMAT_XRGB16161616,
>   	DRM_FORMAT_XBGR16161616,
>   	DRM_FORMAT_ARGB16161616,
>