http://bugs.freedesktop.org/show_bug.cgi?id=26329
Summary: [radeon KMS] new PM/clocks code only detects 1
powerstate
Product: DRI
Version: DRI CVS
Platform: x86-64 (AMD64)
OS/Version: All
Status: NEW
Severity: major
Priority: medium
Component: DRM/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=32917)
--> (http://bugs.freedesktop.org/attachment.cgi?id=32917)
dmesg excerpt showing DRM infos
Hi there,
I just fetched latest drm-radeon-testing git from airlied's tree to test out
the new powermanagement / dynamic clocks bits.
Well, to make a long story short: it doesn't work like expected - I don't see
any downclocking of the chip even though I have only a terminal open in XFCE.
Looking at the dmesg output (attached) it looks like that the kernel driver
only detects ONE single power state for my card - this should be clearly wrong
since the Windows driver knows at least three predefined states (250MHz, 500MHz
and 750MHz GPU clock).
Any idea why the other states are not detected?
Greets,
Tobias
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