G550 bug ? (was Re: Independ multiple users on G550)

[Svetoslav S. <sv...@gm...>]

Hi Petr,
Hi all,

is this a matroxfb bug ?

> > >how do you setup the fb mode?
> > >i'm still using a single monitor with switch
> > >@ 640x480, and fbset doesn't seem to work
> > 
> > video=matroxfb:800x600@75
> > 
> > for 1st head. Also i use fbset. Modular fbcon donot resize after
> > fbset resize.
> > 
> 
> nice but
> ------- modprobe.conf -------------
> options matroxfb_base mem=16 vesa=0x117
> options matroxfb_crtc2 mem=16
> ---------------------------------------
> 
> matroxfb: Matrox G550 detected
> matroxfb: MTRR's turned on
> matroxfb: 1024x768x16bpp (virtual: 1024x65536)
> matroxfb: framebuffer at 0xD8000000, mapped to 0xe0ca9000, size 16777216
> fb0: MATROX frame buffer device
> fb0: initializing hardware
> matroxfb_crtc2: secondary head of fb0 was registered as fb1
> fbcon_startup: mode:   MATROX
> fbcon_startup: visual: 2
> fbcon_startup: res:    1024x0-16
> Console: switching to colour MATROX 128x25 vc:1-16
> fbcon_startup: mode:   MATROX DH
> fbcon_startup: visual: 2
> fbcon_startup: res:    640x480-32
> Console: Colour MATROX DH 80x30 vc:17-32
> 
> do you see  the nice "fbcon_startup: res:    1024x0-16"
> both heads are off after that
> /* everything quite normal before loading fbcon */
> 
> and 
> ---------------------------------------
> [root@tux root]# fbset -fb /dev/fb0 1024x768-70
> [root@tux root]# fbset -fb /dev/fb0
> 
> mode "1024x0-1486"
>     # D: 74.996 MHz, H: 56.473 kHz, V: 1486.134 Hz
>     geometry 1024 0 1024 0 8
>     timings 13334 144 24 29 3 136 6
>     accel true
>     rgba 8/0,8/0,8/0,0/0
> endmode
> 
> [root@tux root]# fbset -fb /dev/fb0 800x600-70
> [root@tux root]# fbset -fb /dev/fb0
> 
> mode "800x0-1237"
>     # D: 44.899 MHz, H: 44.543 kHz, V: 1237.308 Hz
>     geometry 800 0 832 0 8
>     timings 22272 40 24 15 9 144 12
>     hsync high
>     accel true
>     rgba 8/0,8/0,8/0,0/0
> endmode
> -------------------------------------------------
> 
> any clues, ideas ?
> 
> 
> svetljo
> 
> PS.
> the latest cvs works OK modular,
> at least in default mode 640x480

PS.2

the same happens without loading fbcon when swapped or normal from 
the matroxset tarball are executed

this is without fbcon loaded 
/* over ssh, quite easy to reproduce with modular matroxfb */
same with vesa=0x118

[root@tux root]# fbset -fb /dev/fb0

mode "1024x768-60"
    # D: 64.994 MHz, H: 48.359 kHz, V: 59.998 Hz
    geometry 1024 768 1024 4096 32
    timings 15386 160 32 30 4 128 4
    accel true
    rgba 8/16,8/8,8/0,8/24
endmode

[root@tux root]# fbset -fb /dev/fb1

mode "640x480-60"
    # D: 25.176 MHz, H: 31.469 kHz, V: 59.942 Hz
    geometry 640 480 640 480 32
    timings 39721 48 16 33 10 96 2
    rgba 8/16,8/8,8/0,8/24
endmode

[root@tux root]# matroxfb_swapped
[root@tux root]# fbset -fb /dev/fb0

mode "1024x0-1273"
    # D: 64.994 MHz, H: 48.359 kHz, V: 1272.598 Hz
    geometry 1024 0 1024 0 32
    timings 15386 160 32 30 4 128 4
    accel true
    rgba 8/16,8/8,8/0,8/24
endmode

[root@tux root]# fbset -fb /dev/fb1

mode "640x480-60"
    # D: 25.176 MHz, H: 31.469 kHz, V: 59.942 Hz
    geometry 640 480 640 480 32
    timings 39721 48 16 33 10 96 2
    rgba 8/16,8/8,8/0,8/24
endmode

[root@tux root]# fbset -fb /dev/fb0 640x480-60
[root@tux root]# fbset -fb /dev/fb0

mode "640x0-699"
    # D: 25.175 MHz, H: 31.469 kHz, V: 699.305 Hz
    geometry 640 0 640 0 8
    timings 39722 48 16 33 10 96 2
    accel true
    rgba 8/0,8/0,8/0,0/0
endmode

best,

svetljo

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