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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/intel_ringbuffer.h | |
| parent | drm/i915/gtt: Invalidate GGTT caches after writing the gen6 page directories (diff) | |
| download | linux-dev-d9d117e40d4ffc03438177eeac83d96dfeee76be.tar.xz linux-dev-d9d117e40d4ffc03438177eeac83d96dfeee76be.zip | |
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_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index e9494557aaa1..2c35dd3525a6 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -869,9 +869,12 @@ void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno); void intel_engine_setup_common(struct intel_engine_cs *engine); int intel_engine_init_common(struct intel_engine_cs *engine); -int intel_engine_create_scratch(struct intel_engine_cs *engine, int size); void intel_engine_cleanup_common(struct intel_engine_cs *engine); +int intel_engine_create_scratch(struct intel_engine_cs *engine, + unsigned int size); +void intel_engine_cleanup_scratch(struct intel_engine_cs *engine); + int intel_init_render_ring_buffer(struct intel_engine_cs *engine); int intel_init_bsd_ring_buffer(struct intel_engine_cs *engine); int intel_init_blt_ring_buffer(struct intel_engine_cs *engine); |