Subject: Re: [PATCH 04/19] drm/rockchip: Use the alpha format helper
To: Maxime Ripard <maxime.ripard@free-electrons.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Daniel Vetter <daniel.vetter@intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Sean Paul <seanpaul@chromium.org>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        thomas@vitsch.nl, linux-arm-kernel@lists.infradead.org
References: <cover.713e47b83733ed05f0c38f5ba6ef8b6c1e32805c.1515494838.git-series.maxime.ripard@free-electrons.com>
 <a8b8fe38a8659744fae6fe75fbb4ab2ce42a37e6.1515494838.git-series.maxime.ripard@free-electrons.com>
From: Sandy Huang <hjc@rock-chips.com>
Message-ID: <e6bb1185-7d26-8701-4838-283f1b00a85d@rock-chips.com>
Date: Tue, 16 Jan 2018 08:42:43 +0800
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在 2018/1/9 18:56, Maxime Ripard 写道:
> Now that the core has a drm format helper to tell if a format embeds an
> alpha component in it, let's use it.
> 
> Cc: Mark Yao <mark.yao@rock-chips.com>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
>   drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 13 +------------
>   1 file changed, 1 insertion(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index 19128b4dea54..cfc4d4909185 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -253,17 +253,6 @@ static bool is_yuv_support(uint32_t format)
>   	}
>   }
>   
> -static bool is_alpha_support(uint32_t format)
> -{
> -	switch (format) {
> -	case DRM_FORMAT_ARGB8888:
> -	case DRM_FORMAT_ABGR8888:
> -		return true;
> -	default:
> -		return false;
> -	}
> -}
> -
>   static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
>   				  uint32_t dst, bool is_horizontal,
>   				  int vsu_mode, int *vskiplines)
> @@ -790,7 +779,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
>   	rb_swap = has_rb_swapped(fb->format->format);
>   	VOP_WIN_SET(vop, win, rb_swap, rb_swap);
>   
> -	if (is_alpha_support(fb->format->format)) {
> +	if (drm_format_has_alpha(fb->format->format)) {
>   		VOP_WIN_SET(vop, win, dst_alpha_ctl,
>   			    DST_FACTOR_M0(ALPHA_SRC_INVERSE));
>   		val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
> 

remove dead email: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Sandy huang <hjc@rock-chips.com>