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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-09-15 10:14:16 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-09-15 11:34:05 +0100 |
| commit | 121ba69ffddc60df11da56f6d5b29bdb45c8eb80 (patch) | |
| tree | a4c7b803c965a8ce49570d21b4893475afad8261 /lib/mpi/mpi-bit.c | |
| parent | 060bb115c2d664f04db9c7613a104dfaef3fdd98 (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
Diffstat (limited to 'lib/mpi/mpi-bit.c')
0 files changed, 0 insertions, 0 deletions