[Intel-gfx] [PATCH] drm/i915: Fix restore of 965 fence regs since the register tracing change.
pcjc2 at cam.ac.uk
Mon Nov 22 06:18:39 PST 2010
On Mon, 2010-11-22 at 12:13 +0000, Chris Wilson wrote:
> On Thu, 18 Nov 2010 11:47:12 +0800, Keith Packard <keithp at keithp.com> wrote:
> > We were reading our 64-bit value in I915_READ64 and returning 32 bits
> > of it. The restoration of fence regs at resume then had a zero end
> > value, and the fence had no effect.
> It was a good catch. Applied one final tweak to use macros to generate
> the various read/write routines and applied to -next.
Chris, does this sound like it might be behind the bug I mentioned on
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