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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-11 18:18:25 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-12 09:10:04 +0100 |
| commit | d9d117e40d4ffc03438177eeac83d96dfeee76be (patch) | |
| tree | 4afacb2660a464017ea5e594fbb0d498d1a1cb60 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | 68a8570375df647cf8b6626d63917b564dd9390e (diff) | |
drm/i915/ringbuffer: Serialize load of PD_DIR
After triggering the mm switch with a load of PD_DIR, which may be
deferred unto the MI_SET_CONTEXT on rcs, serialise the next commands
with that load by posting a read of PD_DIR (or else those subsequent
commands may access the stale page tables).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180611171825.13678-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
0 files changed, 0 insertions, 0 deletions