On 2012-08-17 14:35, Paulo Zanoni wrote:
From: Paulo Zanoni <paulo.r.zan...@intel.com>
Hi
Since we stopped running the gen6 workarounds on gen > 6 I started
seeing a lot
of GPU hangs on my gen 7.5 machine. These patches add gen7+
workarounds which
prevent the GPU hangs I'm seeing.
These patches were tested mostly on HSW and briefly on IVB, but the
workarounds
implemented are documented for both. This is also the first time I
touch this
kind of code, so extra careful reviewing might be needed.
Thanks,
Paulo
Paulo Zanoni (4):
drm/i915: add gen7_render_ring_flush
drm/i915: add workarounds directly to gen6_render_ring_flush
drm/i915: add workaround to gen7_render_ring_flush
drm/i915: add one more workaround to gen7_render_ring_flush
drivers/gpu/drm/i915/intel_ringbuffer.c | 81
++++++++++++++++++++++++++++++---
1 file changed, 74 insertions(+), 7 deletions(-)
I don't think this makes for ideal bisection. I'd rather you implement
the ring flush + workarounds before you set the pointer. If you want to
keep the patches split out like this, just add a 5 patch to do the
pointer change that's in the first patch. Or else collapse patch 1, 3, 4
into 1.
I didn't really review anything yet though.
--
Ben Widawsky, Intel Open Source Technology Center
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