[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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