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| author | Oscar Mateo <oscar.mateo@intel.com> | 2017-03-22 10:39:51 -0700 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-03-23 14:58:23 +0200 |
| commit | ed2ec71f9f7c0e1682c0821e4fa2452430f70e5e (patch) | |
| tree | 91a6f436ef0c0c95dc87aed434b4f9fe7e5f97c6 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 0d7681261453e6f10e0a98e7b744fe4085743291 (diff) | |
drm/i915/guc: Wait for doorbell to be inactive before deallocating
Doorbell release flow requires that we wait for GEN8_DRB_VALID bit to go
to zero after updating db_status before we call the GuC to release the
doorbell.
Kudos to Daniele for finding this out.
v2: WARN instead of DRM_ERROR (Joonas)
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions