Re: [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support

[Krzysztof Kozlowski]

On 01.09.2015 15:07, Yakir Yang wrote:

Empty commit message. Please explain here why you want to add platform
device type support.

Actually the title is confusing. You are not adding support for platform
device types but rather adding a field containing type of device.


> Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> ---
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - Add GNU license v2 declared and samsung copyright
> 
>  drivers/gpu/drm/exynos/exynos_dp.c              |  1 +
>  drivers/gpu/drm/rockchip/analogix_dp-rockchip.c |  1 +
>  include/drm/bridge/analogix_dp.h                | 16 ++++++++++++++++
>  3 files changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
> index 6060d2c..40ef727 100644
> --- a/drivers/gpu/drm/exynos/exynos_dp.c
> +++ b/drivers/gpu/drm/exynos/exynos_dp.c
> @@ -224,6 +224,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
>  	dp->dev = dev;
>  	dp->drm_dev = drm_dev;
>  
> +	dp->plat_data.dev_type = EXYNOS_DP;
>  	dp->plat_data.power_on = exynos_dp_poweron;
>  	dp->plat_data.power_off = exynos_dp_poweroff;
>  	dp->plat_data.get_modes = exynos_dp_get_modes;
> diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> index efea045..4934271 100644
> --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> @@ -293,6 +293,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
>  		return ret;
>  	}
>  
> +	dp->plat_data.dev_type = RK3288_DP;
>  	dp->plat_data.attach = NULL;
>  	dp->plat_data.get_modes = NULL;
>  	dp->plat_data.power_on = rockchip_dp_poweron;
> diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
> index 8b4ffad..7209a64 100644
> --- a/include/drm/bridge/analogix_dp.h
> +++ b/include/drm/bridge/analogix_dp.h
> @@ -1,9 +1,25 @@
> +/*
> + * Analogix Core DP (Display Port) interface driver.
> + *
> + * Copyright (C) 2012 Samsung Electronics Co., Ltd.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of the GNU General Public License as published by the
> + * Free Software Foundation; either version 2 of the License, or (at your
> + * option) any later version.
> + */

Two questions:
1. Why this change is here? I would rather expect it at patch 3/16 when
you created this file... That is the usual time for adding copyrights.

2. Does this file contains previous Samsung work?

Best regards,
Krzysztof

>  #ifndef _ANALOGIX_DP_H_
>  #define _ANALOGIX_DP_H_
>  
>  #include <drm/drm_crtc.h>
>  
> +enum analogix_dp_devtype {
> +	EXYNOS_DP,
> +	RK3288_DP,
> +};
> +
>  struct analogix_dp_plat_data {
> +	enum analogix_dp_devtype dev_type;
>  	struct drm_panel *panel;
>  
>  	int (*power_on)(struct analogix_dp_plat_data *);
> 

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