Regressions when upgrading 7.2 -> 7.4, ATI Radeon 9250 PCI
alexdeucher at gmail.com
Sun Apr 19 15:35:30 PDT 2009
On Sun, Apr 19, 2009 at 5:01 PM, Jeremy Henty <onepoint at starurchin.org> wrote:
> On Sun, Apr 19, 2009 at 02:54:13PM -0400, Alex Deucher wrote:
>> On Sun, Apr 19, 2009 at 2:33 PM, Jeremy Henty <onepoint at starurchin.org> wrote:
>> > On Sun, Apr 19, 2009 at 12:49:56PM -0400, Alex Deucher wrote:
>> >> Does your monitor support 1600x1200? We'd have to add a quirk
>> >> for your monitor if the 1600x1200 mode is indeed bogus.
>> > According the manual it supports 1600x1200 at 80Hz, but I have
>> > never pushed it that far. (I'm squinting enough as it
>> > is. :-) It's an Iiyama Vision Master 450.
> OK, setting Modes to "1600x1200" does not work - the screen blanks as
> before. I don't know if tweaking sync rates etc. might fix it, but as
> it stands it does not work. Latest conf and log attached.
>> > Are any of these problems to do with my card not being
>> > recognised, or is that a separate issue?
>> These are all related to the EDID in your monitor. First the
>> 1600x1200 mode it announces doesn't seem to work, secondly, it has
>> bogus size data: 54 x 3688 mm. The bogus size data is what causes
>> the DPI to be calculated incorrectly which causes your font
> OK, that's clear. Can the bogus size data be fixed with a quirk too?
Yes. There are already quite a few quirks for similarly busted EDIDs.
Please file a bug:
and include your xorg logs and configs and we'll get it fixed up.
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