linux-kernel - Re: [PATCH v4 3/8] drm/vkms: Add support for ARGB16161616 formats

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Message-ID: <e7b4738a-6d7f-40ac-84bd-e88dd0432cdc@igalia.com>
Date: Wed, 11 Jun 2025 16:57:00 -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 3/8] drm/vkms: Add support for ARGB16161616 formats

On 5/30/25 11:05, Louis Chauvet wrote:
> The formats XRGB16161616 and ARGB16161616 were already supported.
> Add the support for:
> - ABGR16161616
> - XBGR16161616
> 
> 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 | 6 ++++++
>   drivers/gpu/drm/vkms/vkms_plane.c   | 2 ++
>   2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index f5c52c3d10a3..95771bff5202 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -442,7 +442,9 @@ 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_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])
> +READ_LINE_le16161616(XBGR16161616_read_line, px, cpu_to_le16(0xFFFF), px[0], px[1], px[2])
>   
>   READ_LINE(RGB565_read_line, px, __le16, argb_u16_from_RGB565, px)
>   
> @@ -665,8 +667,12 @@ pixel_read_line_t get_pixel_read_line_function(u32 format)
>   		return &BGRX8888_read_line;
>   	case DRM_FORMAT_ARGB16161616:
>   		return &ARGB16161616_read_line;
> +	case DRM_FORMAT_ABGR16161616:
> +		return &ABGR16161616_read_line;
>   	case DRM_FORMAT_XRGB16161616:
>   		return &XRGB16161616_read_line;
> +	case DRM_FORMAT_XBGR16161616:
> +		return &XBGR16161616_read_line;
>   	case DRM_FORMAT_RGB565:
>   		return &RGB565_read_line;
>   	case DRM_FORMAT_NV12:
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index b7f498944c50..505847ec8508 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -22,7 +22,9 @@ static const u32 vkms_formats[] = {
>   	DRM_FORMAT_RGBX8888,
>   	DRM_FORMAT_BGRX8888,
>   	DRM_FORMAT_XRGB16161616,
> +	DRM_FORMAT_XBGR16161616,
>   	DRM_FORMAT_ARGB16161616,
> +	DRM_FORMAT_ABGR16161616,
>   	DRM_FORMAT_RGB565,
>   	DRM_FORMAT_NV12,
>   	DRM_FORMAT_NV16,
>