diff options
| 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/intel_engine_cs.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/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index d1cf8b4926ab..d278fed8cb31 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -499,7 +499,8 @@ void intel_engine_setup_common(struct intel_engine_cs *engine) intel_engine_init_cmd_parser(engine); } -int intel_engine_create_scratch(struct intel_engine_cs *engine, int size) +int intel_engine_create_scratch(struct intel_engine_cs *engine, + unsigned int size) { struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -533,7 +534,7 @@ err_unref: return ret; } -static void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) +void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) { i915_vma_unpin_and_release(&engine->scratch); } |