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| author | Kenneth Graunke <kenneth@whitecape.org> | 2019-06-25 10:06:55 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-25 10:57:21 +0100 |
| commit | f9a393875d3af13cc3267477746608dadb7f17c1 (patch) | |
| tree | f8ff517538b5eb5e2b78bac5bf2bcf8aefe4a3c3 /tools/perf/scripts/python | |
| parent | 871918dffefc594e765cc7e885a36a7fd3f38da7 (diff) | |
| download | linux-f9a393875d3af13cc3267477746608dadb7f17c1.tar.gz linux-f9a393875d3af13cc3267477746608dadb7f17c1.zip | |
drm/i915: Disable SAMPLER_STATE prefetching on all Gen11 steppings.
The Demand Prefetch workaround (binding table prefetching) only applies
to Icelake A0/B0. But the Sampler Prefetch workaround needs to be
applied to all Gen11 steppings, according to a programming note in the
SARCHKMD documentation.
Using the Intel Gallium driver, I have seen intermittent failures in
the dEQP-GLES31.functional.copy_image.non_compressed.* tests. After
applying this workaround, the tests reliably pass.
v2: Remove the overlap with a pre-production w/a
BSpec: 9663
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190625090655.19220-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions