diff options
| author |   Matthew Auld <matthew.auld@intel.com> | 2021-10-28 10:26:37 +0100 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2021-10-29 09:03:27 +0100 |
| commit | 2ca776068f1f9ece3ab093f1be39c87653fbff16 (patch) | |
| tree | 59435e4bf60ebf9af2ff5430a2af588065f7e391 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | drm/i915/pmu: Connect engine busyness stats from GuC to pmu (diff) | |
| download | linux-dev-2ca776068f1f9ece3ab093f1be39c87653fbff16.tar.xz linux-dev-2ca776068f1f9ece3ab093f1be39c87653fbff16.zip | |
drm/i915/gtt: flush the scratch page
The scratch page is directly visible in the users address space, and
while this is forced as CACHE_LLC, by the kernel, we still have to
contend with things like "Bypass-LLC" MOCS. So just flush no matter
what.
v2(Thomas):
- Make sure we use drm_clflush_virt_range here, in case clflush support
is missing.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211028092638.3142258-1-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
0 files changed, 0 insertions, 0 deletions