Hi,
Vertical retrace is in lines, not pixels.
--- Documentation/fb/framebuffer.txt.orig 2004-06-03 22:43:06.000000000 +0200
+++ Documentation/fb/framebuffer.txt 2004-06-03 22:43:50.000000000 +0200
@@ -190,7 +190,7 @@ We'll say that the horizontal scanrate i
1/(32.141E-6 s) = 31.113E3 Hz
A full screen counts 480 (yres) lines, but we have to consider the vertical
-retrace too (e.g. 49 `pixels'). So a full screen will take
+retrace too (e.g. 49 `lines'). So a full screen will take
(480+49)*32.141E-6 s = 17.002E-3 s
--
Bye, Peter Korsgaard
On Thu, 3 Jun 2004, Peter Korsgaard wrote:
> Vertical retrace is in lines, not pixels.
That's correct. James, please apply.
> --- Documentation/fb/framebuffer.txt.orig 2004-06-03 22:43:06.000000000 +0200
> +++ Documentation/fb/framebuffer.txt 2004-06-03 22:43:50.000000000 +0200
> @@ -190,7 +190,7 @@ We'll say that the horizontal scanrate i
> 1/(32.141E-6 s) = 31.113E3 Hz
>
> A full screen counts 480 (yres) lines, but we have to consider the vertical
> -retrace too (e.g. 49 `pixels'). So a full screen will take
> +retrace too (e.g. 49 `lines'). So a full screen will take
>
> (480+49)*32.141E-6 s = 17.002E-3 s
>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds