[PATCH 0/1] Add support for querying engine cycles

This is just a refresh of the earlier patch along with cover letter for the IGT testing. The query provides the engine cs cycles counter.

v2: Use GRAPHICS_VER() instead of IG_GEN() v3: Add R-b to the patch v4: Split cpu timestamp array into timestamp and delta for cleaner API

Signed-off-by: Umesh Nerlige Ramappa umesh.nerlige.ramappa@intel.com Test-with: 20210429002959.69473-1-umesh.nerlige.ramappa@intel.com

Umesh Nerlige Ramappa (1): i915/query: Correlate engine and cpu timestamps with better accuracy

drivers/gpu/drm/i915/i915_query.c | 148 ++++++++++++++++++++++++++++++ include/uapi/drm/i915_drm.h | 52 +++++++++++ 2 files changed, 200 insertions(+)