[Bug 19100] radeon 7500: No display on DVI output

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19100





--- Comment #8 from Francois Gouget <fgouget at codeweavers.com>  2008-12-17 06:23:59 PST ---
Created an attachment (id=21242)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=21242)
Reg dump, broken config (Git b2b43905)

Bad news :-(
I recompiled the driver from this Git commit (which I believe corresponds to
the attached patch):

commit b2b43905a5385a8bb0b59b8e50952863d8dacb59
Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Wed Dec 17 00:59:52 2008 -0500

    Pre-avivo: fix FP setup

    - make sure to clear various shadow timing bits
    - crtc1 select bit was set wrong.
    - should fix bugs like 19100

Then I rebooted but the display did not come up.
So I collected a new reg dump which I'm attaching here as broken-b2b43905.dump.
I also ran the following command, but again with no success:

# radeontool regset FP_GEN_CNTL 0x0a430085
OLD: FP_GEN_CNTL (0284) 0x0b430085 (188940421)
NEW: FP_GEN_CNTL (0284) 0x0a430085 (172163205)


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