Re: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier.

2010-11-23 Thread Zou, Nanhai
: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier. On Sat, 20 Nov 2010 16:17:40 +0100, Matthias Hopf mh...@suse.de wrote: I know, I know. The patch is (one of) the results of the Novell-HP-Intel workshop in Taipei this week. It turned out that rev07

Re: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier.

2010-11-21 Thread Chris Wilson
On Sat, 20 Nov 2010 19:59:34 -0800, Keith Packard kei...@keithp.com wrote: On Sat, 20 Nov 2010 16:17:40 +0100, Matthias Hopf mh...@suse.de wrote: I know, I know. The patch is (one of) the results of the Novell-HP-Intel workshop in Taipei this week. It turned out that rev07 is too unstable.

Re: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier.

2010-11-20 Thread Matthias Hopf
On Nov 19, 10 21:47:48 +, Chris Wilson wrote: On Fri, 19 Nov 2010 04:29:57 +0100, Matthias Hopf mh...@suse.de wrote: This is known to lock up the GPU even with the workaround in place. Before applying this patch, I'd like to know the results of using the FORCE_WAKE write before reading

Re: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier.

2010-11-20 Thread Keith Packard
On Sat, 20 Nov 2010 16:17:40 +0100, Matthias Hopf mh...@suse.de wrote: I know, I know. The patch is (one of) the results of the Novell-HP-Intel workshop in Taipei this week. It turned out that rev07 is too unstable. Keith and Eric can probably comment on this. Better than I can. There's a

Re: [Intel-gfx] [PATCH] Dont use hardware acceleration on Sandybridge rev 07 hardware or earlier.

2010-11-19 Thread Chris Wilson
On Fri, 19 Nov 2010 04:29:57 +0100, Matthias Hopf mh...@suse.de wrote: This is known to lock up the GPU even with the workaround in place. Before applying this patch, I'd like to know the results of using the FORCE_WAKE write before reading the ring buffer registers. Also as we are accumulating