Rivafb colors all messed up with 2.5.20-dj2.

Rivafb colors all messed up with 2.5.20-dj2.

[Miles Lane]

For a long time, I have had messed up colors when I use rivafb.
In the past, just the penguin logo has been obviously messed up
(all purple).  Now, all the colors are off.  By running
"fbset -a 1600x1200-76" I am able to get the framebuffer colors
correctly set.  Also, running this command gives me the 
desired refresh rate.  I suspect I am using an incorrect
boot parameter value.  Can someone tell me what value to use
to get 1600x1200 @ 76Hz and 16-bit color?

From the kernel log:

rivafb: RIVA MTRR set to ON
Console: switching to colour frame buffer device 200x75
rivafb: PCI nVidia NV10 framebuffer ver 0.9.3 (GeForce-DDR, 32MB @ 0xE8000000)

"lspci -v" gives:

01:05.0 VGA compatible controller: nVidia Corporation GeForce 256 DDR (rev 10) (prog-if 00 [VGA])
	Subsystem: VISIONTEK: Unknown device 000b
	Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 11
	Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
	Memory at e8000000 (32-bit, prefetchable) [size=128M]
	Expansion ROM at feaf0000 [disabled] [size=64K]
	Capabilities: [60] Power Management version 1
	Capabilities: [44] AGP version 2.0

My append= line includes "video=riva:1600x1200-16"

fbset -a (initial state at boot time with whacked colors):

mode "1600x1200-60"
     # D: 162.022 MHz, H: 75.010 kHz, V: 60.008 Hz
     geometry 1600 1200 1600 1200 16
     timings 6172 304 64 46 1 192 3
     hsync high
     vsync high
     accel true
     rgba 5/11,6/5,5/0,0/0
endmode

After running "fbset -a 1600x1200-76" (command gives desired state)
I have:

mode "1600x1200-76"
     # D: 197.981 MHz, H: 95.183 kHz, V: 76.146 Hz
     geometry 1600 1200 1600 1200 8
     timings 5051 304 40 42 3 136 5
     accel true
     rgba 8/0,8/0,8/0,0/0
endmode



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2.5.20 + latest fbdev patch -- Rivafb appears to hang machine

[Miles Lane]

What happens is that when the rivafb driver is loaded, the video
mode changes and the whole screen is covered with colored
static which has areas that are primarily one or another color.
It looks like the video mode is wrong.  Note that with the same
rivafb parameter value and running 2.5.20-dj2, I get a usable
VT, but the colors are off.

I am booting with "video=riva:1600x1200-16"

This is an Athlon UP machine.

01:05.0 VGA compatible controller: nVidia Corporation GeForce 256 DDR (rev 10) (prog-if 00 [VGA])
	Subsystem: VISIONTEK: Unknown device 000b
	Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 11
	Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
	Memory at e8000000 (32-bit, prefetchable) [size=128M]
	Expansion ROM at feaf0000 [disabled] [size=64K]
	Capabilities: [60] Power Management version 1
	Capabilities: [44] AGP version 2.0

Gnu C                  3.0.4
Gnu make               3.79.1
binutils               2.11.90.0.8
util-linux             2.11f
mount                  2.11g
modutils               2.4.14
e2fsprogs              1.26
reiserfsprogs          3.x.0j
pcmcia-cs              3.1.22
PPP                    2.4.1
isdn4k-utils           3.1pre1
Linux C Library        2.2.4
Dynamic linker (ldd)   2.2.4
Procps                 2.0.7
Net-tools              1.60
Console-tools          0.3.3
Sh-utils               2.0.11


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Re: Rivafb colors all messed up with 2.5.20-dj2.

[Geert Uytterhoeven]

On Wed, 5 Jun 2002, Miles Lane wrote:
> For a long time, I have had messed up colors when I use rivafb.
> In the past, just the penguin logo has been obviously messed up
> (all purple).  Now, all the colors are off.  By running
> "fbset -a 1600x1200-76" I am able to get the framebuffer colors
> correctly set.  Also, running this command gives me the 
> desired refresh rate.  I suspect I am using an incorrect
> boot parameter value.  Can someone tell me what value to use
> to get 1600x1200 @ 76Hz and 16-bit color?

  [...]

> My append= line includes "video=riva:1600x1200-16"

Modedb doesn't have a 1600x1200 76 Hz mode, but it does have 75 Hz.
Please try `1600x1200@75-16' instead.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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


_______________________________________________________________

Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm