I actually find this pretty funny. I have to say "I told you so" ( though I'm too lazy to find a link, I predicated EXACTLY this when people started reporting that r300 support was broken ).
I just bought a laptop with an integrated r600 chip. So for the past couple of months, I've been using fglrx so I can use ecomorph ( port of compiz to run on enlightenment ). If only r600+ chips will be supported, then I must say that fglrx can only be considered 'alpha' quality, because my experience with fglrx on r600 has been pretty poor indeed. 2D rendering is glacial - I assume there is no 2D acceleration at all - the RadeonHD driver is *way* ahead in this regard. I've seen benchmarks on Phoronix that claim the opposite, and I find that completely contrary to reality. 3D acceleration is reasonable ( I don't play games, but compiz / ecomorph seems to work ... mostly ), but quite unstable. I get regular 5-second+ pauses where the system appears to lock, and then magically revive itself. I get rendering glitches, flashing trangles, etc. The itask-ng launcher / dock thing in E17 doesn't render *anything* with fglrx other than the text pop-up with the application name ... ie no icon or bar or anything. I get a kernel oops when restarting X, followed very quickly by a hard lockup. Ouch! And AMD claim this as 'supported', eh? God knows what shape r700 support is in ...
An interesting question is what AMD has to say for people who bought laptops with a <600 chip. Sure there's the open-source driver, which they very recently released docs for, but there are important pieces missing. My old laptop, for example, recently suffered catastrohpic failure which I'm starting to think was an overheating issue in the 3D chip. There's very little power/thermal management stuff in the open-source drivers. It's easy to tell PC owners to pull out a wad of cash and buy the latest video card, but it's not quite that simple for laptop owners. Not that it affects me personally, but I would hardly call this deprecation and the resulting user experience 'graceful'. It also begs the question: when will the current alpha-quality r600 support be deprecated? When the r800 is released? I know ... I know ... fglrx is not for linux desktop users ... it's for graphics workstation users. The point is that you don't pull the rug out from under NEW customers until there is a smooth transition to the open-source drivers. Well I wouldn't anyway.
Anyway, I've already switched to 2D-only RadeonHD, as I'm sick of seeing messages in my kernel output about replaying resierfs transactions. Since doing that, my bitterness has given way to amusement at watching the current sitation unfold.



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