Thread (3 messages) flat view 3 messages, 2 authors, 2007-07-26

Re: typo errors in the modedb.c video modetables

From: John Lumby <hidden>
Date: 2007-07-26 03:16:09

Antonino wrote :
You can also avoid the table lookup and use 1400x1050M@60 instead.  The
timings will be computed.
Thanks Antonio.    However, on my SuperSavage IX/C SDR rev 5 (a LCD), mode 
1400x1050M@60 results in a completely blank display.    mode 
11400x1050-32@60 gives me a barely-readable display (i.e. characters do 
appear) but with a shadow-zone  in the central columns of the display.

The only good display I have been able to achieve at this resolution was by 
hacking savagefb_driver.c and plugging in my own mode directly -
static struct fb_var_screeninfo __devinitdata savagefb_var1400x1050x32 = {
	.accel_flags =	FB_ACCELF_TEXT,
	.xres =		1400,
	.yres =		1050,
	.xres_virtual =  1400,
	.yres_virtual =  1050,
	.bits_per_pixel = 32,
	.pixclock =	9259,
	.left_margin =	136,
	.right_margin =	40,
	.upper_margin =	13,
	.lower_margin =	1,
	.hsync_len =	112,
	.vsync_len =	3,
	.sync =		0,
	.vmode =	FB_VMODE_NONINTERLACED
};
This worked almost ok - or rather, completely ok when running only the 
framebuffer consoles - but as soon as I started X, (XFree86),  and then 
VT-switching back to my framebuffer consoles - they had gone fuzzy and 
rippling.       Maybe because the XFree86 mode had a different refresh rate. 
      I also then tried to construct yet another explicit framebuffer mode 
to correspond to the XFree86 mode as displayed by xvidtune --show, but that 
also resulted in completely blank console display.

I would be interested to hear if anyone has been able to get high resolution 
(preferably 1400x1050 although I'd settle for 1280x1024 at this point) in 
the linux framebuffer console on a SuperSavage IX/C SDR rev 5 LCD  while X 
is running in virtual console 7.

John
Tony
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