# RE: \[PATCH 1/2\] ARM: SAMSUNG: Add Window Positioning Support for

- From: Jingoo Han \<hidden\>
- Date: 2011-08-26 05:56:59 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/08/9560261
- Thread: https://ratatoskr.run/linux-samsung-soc/2011/08/9560261/t.md

```text

Hi, Ajay.
> -----Original Message-----
> From: Ajay Kumar [mailto:<redacted>]
> Sent: Friday, August 26, 2011 4:52 AM
> To: <redacted>; <redacted>; linux-
> arm-kernel@lists.infradead.org
> Cc: FlorianSchandinat@gmx.de; <redacted>; <redacted>;
> m.szyprowski@samsung.com; ben-linux@fluff.org; banajit.g@samsung.com
> Subject: [PATCH 1/2] ARM: SAMSUNG: Add Window Positioning Support for s3c-
> fb driver
> 
> This patch:
> 	--adds a data-structure to hold the current position of windows.
> 	--adds an ioctl number to support dynamic positioning the windows.
> 
> Signed-off-by: Ajay Kumar <redacted>
> Signed-off-by: Banajit Goswami <redacted>
> ---
>  arch/arm/plat-samsung/include/plat/fb.h |   14 ++++++++++++++
>  1 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-
> samsung/include/plat/fb.h
> index bd79c0a..77ed75c 100644
> --- a/arch/arm/plat-samsung/include/plat/fb.h
> +++ b/arch/arm/plat-samsung/include/plat/fb.h
> @@ -22,6 +22,18 @@
>   */
>  #define S3C_FB_MAX_WIN	(5)
> 
> +/* struct s3cfb_window_pos
> + * @win_pos_x: X-coordinate of window from the left.
> + * @win_pos_y: Y-coordinate of window from the top.
> + */
> +struct s3cfb_window_pos {
> +	int	win_pos_x;
> +	int	win_pos_y;
> +};
> +
> +/* Custom ioctl */
> +#define S3CFB_WIN_POSITION	_IOW('F', 1, struct s3cfb_window_pos)
Can you change the number from 1 to 203 as follows?
+#define S3CFB_WIN_POSITION	_IOW('F', 203, struct s3cfb_window_pos)
We already use this number as S3CFB_WIN_POSITION.
> +
>  /**
>   * struct s3c_fb_pd_win - per window setup data
>   * @win_mode: The display parameters to initialise (not for window 0)
> @@ -35,6 +47,8 @@ struct s3c_fb_pd_win {
>  	unsigned short		max_bpp;
>  	unsigned short		virtual_x;
>  	unsigned short		virtual_y;
> +
> +	struct s3cfb_window_pos		winpos;
>  };
> 
>  /**
> --
> 1.7.0.4


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