Problem in clone mode with two display card

[Alex Deucher]

On Wed, Aug 13, 2008 at 5:08 AM, Deepak Bhatia
<deepak.bhatia at nechclst.in> wrote:
>
> Hi Alan,
>
> In case we replace the i810 below in the "Device" section by "intel".
> Then none of the multimonitor modes work with ATI Card.
>

Are you trying to use the intel card and the ati card at the same time?

Alex

> Kindly let us know why this is happening.
>
> Section "Device"
>        Identifier  "Card1"
>        Driver      "i810"
>        VendorName  "Intel Corporation"
>        BoardName   "Integrated Graphics Controller"
>        BusID       "PCI:0:2:0"
> EndSection
>
> Section "Device"
>        Identifier  "Card0"
>        Driver      "ati"
>        VendorName  "ATI"
>        BoardName   "Rage Mobility P/M"
>        ChipSet     "ati"
>        ChipId      0x4c52
>        ChipRev     0x64
>        BusID       "PCI:2:0:0"
> EndSection
>
> Best Regards
>
> Deepak Bhatia
>
>
> -----Original Message-----
> From: xorg-bounces at lists.freedesktop.org
> [mailto:xorg-bounces at lists.freedesktop.org] On Behalf Of Alan Hourihane
> Sent: Tuesday, August 12, 2008 1:40 PM
> To: Ashish Jain
> Cc: xorg at lists.freedesktop.org
> Subject: RE: Problem in clone mode with two display card
>
> On Tue, 2008-08-12 at 10:45 +0530, Ashish Jain wrote:
>> Dear Alan,
>>
>> Thanks, we have achieved Clone mode.
>>
>> But I have few queries,
>>
>> 1. When we are trying dual head on laptop (HP laptop which have Intel
>> display card with to port) for driver "i810" then we will have to
>> specifically add the line " Option "MonitorLayout" "CRT,LFP" " in
>> "Device" section. But when we are trying dual head on same laptop for
>> driver "intel" then above line is not required. Why?
>
> The i810 driver uses the BIOS and that older driver requires some manual
> configuration. The intel driver uses the new randr extension and can
> detect when monitors are attached.
>
>> 2. When we are trying clone mode on laptop (HP laptop which have Intel
>> display card with to port) then we will have to specifically add the
>> line "Option "Clone" "True" " in all the "Device" sections. But when
> we
>> are trying Clone mode on desktop with two display card then above line
>> is not required. Why?
>
> Because the Clone option is controlling a single card and it needs to
> know when do display cloning.
>
>> 3. Finally, are the settings of xorg.conf file changed according to
>> setuation? Means setting of xorg.conf files depends upon drive used or
>> laptop/desktop used or hardware (like display card, monitor, etc.)
> used.
>
> Yes, but that's virtually gone with the new Xserver 1.3 and RandR 1.2 as
> it's pretty much all dynamic now.
>
> Alan.
>
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