[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 v5: Add width of the

[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