[Bug 54273] kms blackscreen ATI RV620 FirePro 2260, res: 2560*1600

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Sep 14 06:19:07 PDT 2012


--- Comment #23 from Alex Deucher <agd5f at yahoo.com> 2012-09-14 13:19:07 UTC ---
Created attachment 67155
  --> https://bugs.freedesktop.org/attachment.cgi?id=67155
skip watermark setup

Try booting with radeon.disp_priority=2 on the kernel command line in grub. 
Next try the attached patch.  Make sure you shutdown and do a cold boot after
applying the patch so all the registers values get reset.  If that doesn't work
we can try comparing registers between fglrx and the open source driver.  Load
up both drivers and then use radeonreg
(http://cgit.freedesktop.org/~airlied/radeontool/) to dump the registers (as

with radeon loaded:
./radeonreg regs dce3 > radeon.regs

with fglrx loaded:
./radeonreg regs dce3 > fglrx.regs

and attach the files.

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