Re: [PATCH] drm: mali-dp: Add support for setting plane's rotation property from userspace.

[Daniel Vetter]

On Tue, Nov 08, 2016 at 01:43:25PM +0000, Liviu Dudau wrote:
> In order to support DRM_IOCTL_MODE_OBJ_SETPROPERTY for the rotation property
> we need to have a ->set_property hook defined for the planes. Set the
> plane's ->set_property hook to drm_atomic_helper_plane_set_property()
> 
> Signed-off-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> ---
>  drivers/gpu/drm/arm/malidp_planes.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
> index bb1c528..8eef9a8 100644
> --- a/drivers/gpu/drm/arm/malidp_planes.c
> +++ b/drivers/gpu/drm/arm/malidp_planes.c
> @@ -89,6 +89,7 @@ void malidp_destroy_plane_state(struct drm_plane *plane,
>  static const struct drm_plane_funcs malidp_de_plane_funcs = {
>  	.update_plane = drm_atomic_helper_update_plane,
>  	.disable_plane = drm_atomic_helper_disable_plane,
> +	.set_property = drm_atomic_helper_plane_set_property,

We discussed this a bit, I think it'd be nice to simply make this the
default for all atomic drivers (and demote all the set_prop helpers from
exported helpers to internal static functions). But can be done as a
cleanup later on, ack for this patch meanwhile.
-Daniel

>  	.destroy = malidp_de_plane_destroy,
>  	.reset = drm_atomic_helper_plane_reset,
>  	.atomic_duplicate_state = malidp_duplicate_plane_state,
> -- 
> 2.10.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch