[PATCH] drm/mediatek: Add RENDER capability to DRM device

[PATCH] drm/mediatek: Add RENDER capability to DRM device

[Wojciech Macek]

DRM device shall create /dev/dri/renderXXX entry
to allow ChromeOS VMs to access the OpenGL rendering
offload.

Signed-off-by: Wojciech Macek <wmacek@chromium.org>
---
 drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 74832c213092..afa4d6391b08 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -585,7 +585,8 @@ static struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
 }
 
 static const struct drm_driver mtk_drm_driver = {
-	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
+	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC |
+			   DRIVER_RENDER,
 
 	.dumb_create = mtk_drm_gem_dumb_create,
 
-- 
2.44.0.478.gd926399ef9-goog


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Re: [PATCH] drm/mediatek: Add RENDER capability to DRM device

[CK Hu (胡俊光)]

Hi, Wojciech:

On Tue, 2024-04-02 at 07:53 +0000, Wojciech Macek wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  DRM device shall create /dev/dri/renderXXX entry
> to allow ChromeOS VMs to access the OpenGL rendering
> offload.

I think this is the case Daniel mention in [1]. If so, this should not
upstream. 

[1] 
https://patchwork.kernel.org/project/dri-devel/patch/1452611750-16283-15-git-send-email-p.zabel@pengutronix.de/

Regards,
CK

> 
> Signed-off-by: Wojciech Macek <wmacek@chromium.org>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 74832c213092..afa4d6391b08 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -585,7 +585,8 @@ static struct drm_gem_object
> *mtk_drm_gem_prime_import(struct drm_device *dev,
>  }
>  
>  static const struct drm_driver mtk_drm_driver = {
> -	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
> +	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC
> |
> +			   DRIVER_RENDER,
>  
>  	.dumb_create = mtk_drm_gem_dumb_create,
>  
> -- 
> 2.44.0.478.gd926399ef9-goog
> 
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