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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-09-15 10:14:16 +0100 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2020-09-30 14:24:20 -0400 |
| commit | ba2ebf605d5f32a9be0f7b05d3174bbc501b83fe (patch) | |
| tree | b98432d7c7875954ecfe05dad6bff70ba9510cee /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf | |
| parent | 4caf017ee93703ba1c4504f3d73b50e6bbd4249e (diff) | |
drm/i915/gem: Prevent using pgprot_writecombine() if PAT is not supported
Let's not try and use PAT attributes for I915_MAP_WC if the CPU doesn't
support PAT.
Fixes: 6056e50033d9 ("drm/i915/gem: Support discontiguous lmem object maps")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v5.6+
Link: https://patchwork.freedesktop.org/patch/msgid/20200915091417.4086-2-chris@chris-wilson.co.uk
(cherry picked from commit 121ba69ffddc60df11da56f6d5b29bdb45c8eb80)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf')
0 files changed, 0 insertions, 0 deletions