linux-kernel - Re: [RFC PATCH] drm/komeda: Creates plane alpha and blend mode properties

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Message-ID: <20190329162545.GA8314@arm.com>
Date:   Fri, 29 Mar 2019 16:25:46 +0000
From:   Ayan Halder <Ayan.Halder@....com>
To:     "Lowry Li (Arm Technology China)" <Lowry.Li@....com>
CC:     Liviu Dudau <Liviu.Dudau@....com>,
        "james qian wang (Arm Technology China)" <james.qian.wang@....com>,
        "maarten.lankhorst@...ux.intel.com" 
        <maarten.lankhorst@...ux.intel.com>,
        "seanpaul@...omium.org" <seanpaul@...omium.org>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        Brian Starkey <Brian.Starkey@....com>,
        "Julien Yin (Arm Technology China)" <Julien.Yin@....com>,
        "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@....com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        nd <nd@....com>
Subject: Re: [RFC PATCH] drm/komeda: Creates plane alpha and blend mode
 properties

On Fri, Mar 29, 2019 at 06:44:45AM +0000, Lowry Li (Arm Technology China) wrote:
> Creates plane alpha and blend mode properties attached to plane.
> 
> Signed-off-by: Lowry Li <lowry.li@....com>
> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> index af51f0c..0ebec39 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
> @@ -212,6 +212,17 @@ static int komeda_plane_add(struct komeda_kms_dev *kms,
>  
>  	drm_plane_helper_add(plane, &komeda_plane_helper_funcs);
>  
> +	err = drm_plane_create_alpha_property(plane);
> +	if (err)
> +		goto cleanup;
> +
> +	err = drm_plane_create_blend_mode_property(plane,
> +			BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> +			BIT(DRM_MODE_BLEND_PREMULTI)   |
> +			BIT(DRM_MODE_BLEND_COVERAGE));
> +	if (err)
> +		goto cleanup;
> +
>  	return 0;
>  cleanup:
>  	komeda_plane_destroy(plane);
> -- 

Please rebase and test your patches on drm-misc-next. 
https://drm.pages.freedesktop.org/maintainer-tools/repositories.html

> 1.9.1