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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-18 15:54:05 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-18 20:05:05 +0100 |
| commit | bdae33b8b82bb379a5b11040b0b37df25c7871c9 (patch) | |
| tree | 31f0871afb575f58d67933c89c1b2868594a690f /tools/perf/scripts/python/netdev-times.py | |
| parent | drm/i915: Drop wmb() inside pread_gtt (diff) | |
| download | linux-bdae33b8b82bb379a5b11040b0b37df25c7871c9.tar.gz linux-bdae33b8b82bb379a5b11040b0b37df25c7871c9.zip | |
drm/i915: Use maximum write flush for pwrite_gtt
As recently disovered by forcing big-core (!llc) machines to use the GTT
paths, we need our full GTT write flush before manipulating the GTT PTE
or else the writes may be directed to the wrong page.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190718145407.21352-2-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions