image of vbeinfo:
http://postimage.org/image/6ehplch1x/

this was taken after i'd manually set the gfxmode to 1920x1080x32 so it
would all fit on the screen.

On Sat, Mar 16, 2013 at 9:49 AM, Carrot Cruncher
<[email protected]>wrote:

> the laptop i have has a full hd screen. i'll get the vbeinfo info but for
> now here is some further info :
>
> xrandr
> Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
> LVDS-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis)
> 408mm x 230mm
>    1920x1080      60.0*+   60.0
>    1680x1050      60.0
>    1400x1050      60.0
>    1280x1024      59.9
>    1280x960       59.9
>    1152x864       60.0
>    1024x768       59.9
>    800x600        59.9
>    640x480        59.4
>    720x400        59.6
>    640x400        60.0
>    640x350        59.8
> VGA-1 disconnected (normal left inverted right x axis y axis)
> HDMI-1 disconnected (normal left inverted right x axis y axis)
>
> cat
> /sys/devices/pci0000:00/0000:00:03.0/0000:01:00.0/drm/card0/card0-LVDS-1/edid
> | edid-decode
> Extracted contents:
> header:          00 ff ff ff ff ff ff 00
> serial number:   0d af 00 18 00 00 00 00 28 12
> version:         01 03
> basic params:    80 29 17 78 0a
> chroma info:     cc b5 a7 54 45 97 26 16 50 54
> established:     00 00 00
> standard:        01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
> descriptor 1:    29 36 80 a0 70 38 1f 40 30 20 35 00 98 e6 10 00 00 18
> descriptor 2:    00 00 00 fe 00 4e 31 38 34 48 34 2d 4c 30 31 0a 20 20
> descriptor 3:    00 00 00 fe 00 43 4d 4f 0a 20 20 20 20 20 20 20 20 20
> descriptor 4:    00 00 00 fe 00 4e 31 38 34 48 34 2d 4c 30 31 0a 20 20
> extensions:      00
> checksum:        a0
>
> Manufacturer: CMO Model 1800 Serial Number 0
> Made week 40 of 2008
> EDID version: 1.3
> Digital display
> Maximum image size: 41 cm x 23 cm
> Gamma: 2.20
> Supported color formats: RGB 4:4:4, YCrCb 4:2:2
> First detailed timing is preferred timing
> Established timings supported:
> Standard timings supported:
> Detailed mode: Clock 138.650 MHz, 408 mm x 230 mm
>                1920 1968 2000 2080 hborder 0
>                1080 1083 1088 1111 vborder 0
>                -hsync -vsync
> ASCII string: N184H4-L01
>   ASCII string: CMO
>          ASCII string: N184H4-L01
>   Checksum: 0xa0
> EDID block does NOT conform to EDID 1.3!
>     Missing name descriptor
>     Missing monitor ranges
>
> this is a fedora 18 system with the following grub package installed :
>
> grub2-2.00-15.fc18.x86_64
>
>
> On Fri, Mar 15, 2013 at 11:47 PM, Jordan Uggla <[email protected]>wrote:
>
>> On Fri, Mar 15, 2013 at 2:57 PM, Carrot Cruncher
>> <[email protected]> wrote:
>> > hi. can i ask how the resolution used is calculated when setting the
>> gfxmode
>> > setting to auto in grub2. i have a laptop where vbeinfo shows the
>> highest
>>
>> In grub 2.00 I believe that what is used is the highest resolution
>> supported by VBE (or GOP,UGA, or whatever interface is available) that
>> is *also* supported by your monitor, as reported in the monitor's EDID
>> information.
>>
>> > resolution as being 1920x1080x32 but this isn't what is being used.
>> without
>>
>> Does your monitor support this resolution?
>>
>> > hardcoding the resolution, is there a way to configure grub2 to use the
>> > highest resolution detected? thanks.
>>
>> Well clearly that is what should already happen when gfxmode=auto, so
>> we need to figure out why that apparently isn't happening for you,
>> then go from there.
>>
>> What version of grub are you using?
>> Could you post the full output of "videoinfo" from the grub shell,
>> either via a picture from a camera, serial log, or (if you're really
>> ambitious) typing it out manually?
>>
>> --
>> Jordan Uggla (Jordan_U on irc.freenode.net)
>>
>
>
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