linux-kernel - Re: [PATCH RFC v2 20/20] drm/vkms: Set post-blend color pipeline driver cap

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Message-ID: <f59a91cb-dda0-4c39-a1b5-8a78fdc8abe4@bootlin.com>
Date: Fri, 19 Sep 2025 14:49:43 +0200
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Nícolas F. R. A. Prado <nfraprado@...labora.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>,
 Chun-Kuang Hu <chunkuang.hu@...nel.org>,
 Philipp Zabel <p.zabel@...gutronix.de>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Haneen Mohammed <hamohammed.sa@...il.com>,
 Melissa Wen <melissa.srw@...il.com>
Cc: Alex Hung <alex.hung@....com>, wayland-devel@...ts.freedesktop.org,
 harry.wentland@....com, leo.liu@....com, ville.syrjala@...ux.intel.com,
 pekka.paalanen@...labora.com, contact@...rsion.fr, mwen@...lia.com,
 jadahl@...hat.com, sebastian.wick@...hat.com, shashank.sharma@....com,
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 chaitanya.kumar.borah@...el.com, mcanal@...lia.com, kernel@...labora.com,
 daniels@...labora.com, leandro.ribeiro@...labora.com,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 Simona Vetter <simona.vetter@...ll.ch>
Subject: Re: [PATCH RFC v2 20/20] drm/vkms: Set post-blend color pipeline
 driver cap

Le 18/09/2025 à 02:43, Nícolas F. R. A. Prado a écrit :
> Now that the driver implements post-blend color pipelines, set the
> driver cap so they can be used from userspace.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Reviewed-by: Louis Chauvet <louis.chauvet@...tlin.com>

> ---
>   drivers/gpu/drm/vkms/vkms_drv.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
> index e8472d9b6e3b2b5d6d497763288bf3dc6fde5987..4cc67a789d28288575235b7efc87bc5e45d668cc 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.c
> +++ b/drivers/gpu/drm/vkms/vkms_drv.c
> @@ -80,7 +80,8 @@ static void vkms_atomic_commit_tail(struct drm_atomic_state *old_state)
>   }
>   
>   static const struct drm_driver vkms_driver = {
> -	.driver_features	= DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM,
> +	.driver_features	= DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM |
> +				  DRIVER_POST_BLEND_COLOR_PIPELINE,
>   	.fops			= &vkms_driver_fops,
>   	DRM_GEM_SHMEM_DRIVER_OPS,
>   	DRM_FBDEV_SHMEM_DRIVER_OPS,
> 

-- 
--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com