[Bug 40024] Power management does not work on ATI Mobility Radeon 9700
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Nov 2 04:31:12 PDT 2011
https://bugs.freedesktop.org/show_bug.cgi?id=40024
--- Comment #6 from Andrew Randrianasulu <randrik at mail.ru> 2011-11-02 04:31:12 PDT ---
for memtimings on radeon 7500 (changed via rovclock, while running proprietary
driver) see forum post here and down :
http://forums.gentoo.org/viewtopic-p-3687568.html#3687568
-----------copy--------------
#rovclock -i
Radeon overclock 0.6e by Hasw (hasw at hasw.net)
Found ATI card on 01:00, device id: 0x4c57
I/O base address: 0x3000
Video BIOS shadow found @ 0xc0000
Reference clock from BIOS: 27.0 MHz
Memory size: 32768 kB
Memory channels: 2, CD,CH only: 0
tRcdRD: 9
tRcdWR: 4
tRP: 8
tRAS: 18
tRRD: 3
tR2W-CL: 3
tWR: 4
tW2R: 2
tW2Rsb: 1
tR2R: 2
tRFC: 20
tWL(0.5): 2
tCAS: 3
tCMD: 0
tSTR: 1
XTAL: 27.0 MHz, RefDiv: 6
Core: 258.75 MHz, Mem: 364.50 MHz
------------copy-end-------------
And after over-clocking, note, some timings were lowered
------------copy2--------
UberPinguin ubrpngn # rovclock -i
Radeon overclock 0.6e by Hasw (hasw at hasw.net)
Found ATI card on 01:00, device id: 0x4c57
I/O base address: 0x3000
Video BIOS shadow found @ 0xc0000
Reference clock from BIOS: 27.0 MHz
Memory size: 32768 kB
Memory channels: 2, CD,CH only: 0
tRcdRD: 5
tRcdWR: 2
tRP: 4
tRAS: 14
tRRD: 3
tR2W-CL: 2
tWR: 3
tW2R: 0
tW2Rsb: 1
tR2R: 1
tRFC: 14
tWL(0.5): 2
tCAS: 3
tCMD: 0
tSTR: 1
XTAL: 27.0 MHz, RefDiv: 6
Core: 290.25 MHz, Mem: 380.25 MHz
----------copy2 ends----
reported speed boost:
from ~647fps to ~1018 in glxgears
guess 260 ->290 engine and 364 -> 380 mem can't explain such big boost alone?
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