Re: [PATCH] video: fbdev: pmag-ba-fb: Fix the lower margin size
From: Tomi Valkeinen
Date: Fri Feb 26 2016 - 06:05:35 EST
On 22/02/16 03:54, Maciej W. Rozycki wrote:
> According to the board specification[1] the width of the vertical sync
> front porch is 12 pixels or the same as the width of the horizontal sync
> front porch. This in turn means the size of the lower margin is 0,
> because the vertical sync starts as soon as the start of the horizontal
> sync terminates the last line.
>
> References:
>
> [1] "PMAG-BA TURBOchannel Color Frame Buffer Functional Specification",
> Revision 1.2, Workstation Systems Engineering, Digital Equipment
> Corporation, August 27, 1990, Table 3-5: "Video Timing"
>
> Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxxxxx>
> ---
> linux-pmag-ba-lower.patch
> Index: linux-20150524-4maxp64/drivers/video/fbdev/pmag-ba-fb.c
> ===================================================================
> --- linux-20150524-4maxp64.orig/drivers/video/fbdev/pmag-ba-fb.c
> +++ linux-20150524-4maxp64/drivers/video/fbdev/pmag-ba-fb.c
> @@ -60,7 +60,7 @@ static struct fb_var_screeninfo pmagbafb
> .left_margin = 116,
> .right_margin = 12,
> .upper_margin = 34,
> - .lower_margin = 12,
> + .lower_margin = 0,
> .hsync_len = 128,
> .vsync_len = 3,
> .sync = FB_SYNC_ON_GREEN,
>
Thanks, queued for 4.6.
Tomi
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