[Bug 12045] New: Inconsistency in randr 1.2 behaviour between intel and radeon driver

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12045

           Summary: Inconsistency in randr 1.2 behaviour between intel and
                    radeon driver
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: gemkow at ikr.uni-stuttgart.de
         QAContact: xorg-team at lists.x.org


There is a inconsistency in behaviour betwenn the intel randr 1.2 driver and
the radeon randr 1.2 driver when two displays (i.e. a Notebook panel and an
external Display) are connected.

The intel-driver selects for both displays the common resolution with the
highest resolution (i.e. 1280x1024 for a panel wirh 1400x1050 and a display
with 1600x1200 where both accept the 1280x1024).

The radeon driver selects for each display its "natural" (highest)
resolution so that the two displays may come up with different resolutions.

IMHO it would be good if both of these important randr 1.2 drivers show
the same behaviour. Which one is the better - i dont know, but I feel
that the intel behaviour is better with respect to the expectations of
"old" (pre-randr-1.2-capable) window managers because these are a little
bit confused with the different resolutions (at least kwin/kicker).

Thanks for the really great work on randr 1.2 - we use it no yet regulary
but it works really good!!


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