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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-18 17:16:41 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-18 22:36:23 +0100 |
| commit | 3497971a71d8b15a41b7bf2bf66ebf5909b2bd3f (patch) | |
| tree | dc76c33e66248e3ad1ad990e75396a61cfcc6e89 /tools/perf/scripts/python/stackcollapse.py | |
| parent | drm/i915: Unconditionally flush any chipset buffers before execbuf (diff) | |
| download | linux-3497971a71d8b15a41b7bf2bf66ebf5909b2bd3f.tar.gz linux-3497971a71d8b15a41b7bf2bf66ebf5909b2bd3f.zip | |
agp/intel: Flush chipset writes after updating a single PTE
After we update one PTE for a page, the caller expects to be able to
immediately use that through a GGTT read/write. To comply with the
callers expectations we therefore need to flush the chipset buffers
before returning.
Reported-by: Matti Hämäläinen <ccr@tnsp.org>
Fixes: d6473f566417 ("drm/i915: Add support for mapping an object page...")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Tested-by: Matti Hämäläinen <ccr@tnsp.org>
Cc: drm-intel-fixes@lists.freedesktop.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-2-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions