[arch-general] since the fglrx legacy driver is now static - any will to make a run at getting it to work?
David C. Rankin
drankinatty at suddenlinkmail.com
Mon Aug 31 05:47:51 UTC 2009
Listmates,
One shortcoming that really irks me (and a whole lot of other laptop users)
is the lack of an ATI driver for the meager hardware on most laptops. I don't
know what the statistics are, but just from an educated guess standpoint, I
bet that 50-65% of the current (in use and less than 3 years old) graphic
adapters in laptops is ATI. (either Xpress or mobility Radeon chips).
The difference in performace between using the radeonhd driver and the fglrx
driver is 6-fold, only made that much worse by kde4 demands on the graphic
subsystem. I don't know if there is any political/developer will for this, but
for a majority of the ati laptop hardware out there (and desktop for that
matter), we have the fglrx driver that is now static as of the 9-3 (version
8.953) release of the "legacy" driver with ATI abandoning driver support for
all pre 2400 series cards. In the past, the main reason for not supporting the
ATI driver (not just Arch) was that it was too much of a moving target,
requiring considerable work on the distros part to keep up with library
changes, etc.
Now with the driver static, I wonder if it might not be worth looking into to
see if it is even feasable to try and make it work with the current arch
setup. ( I know I'm not smart enough in this area to be of any use. ) The
reason I bring this up I running arch on one drive I have for my laptop, and
I'm limited to the radeonhd driver. It's getting better, but it has two
achiles heels: (1) performance, and (2) heat (lots of it). Ultimately, the
radeonhd driver will crack the black box and have a great driver, but
currently, the combination of the issues is bad enough, I keep an old copy of
suse 11 on another driver for use in my laptop, for no other reason than it
has the working fglrx driver and I can work with my laptop without the fan
noise and heat under my left palm caused by the lack of downclocking/powerdown
of the unused gpu circuitry experienced with the radeonhd driver.
I don't know if it is even worth looking into, but I do know that for laptop
users, if Arch had a working fglrx driver, that would be one key point a lot
of laptop users would be willing to switch for. Just a stray thought, so take
it for what its worth.
As for the current, still maintained, ATI driver for 2400+ series cards, good
luck, it's still moving pretty fast....
--
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com
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