From 272229b168ff2baa4a01aaa96ab77ae3e63a0eb8 Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Wed, 25 Mar 2020 14:50:03 -0700 Subject: include/drm-uapi: Update i915_drm.h for perf OA APIs Add APIs to configure poll delay in perf OA. v2: (Umesh) - Remove interrupt and flush APIs - Change commit message v3: (Umesh) - Rebase - Rename uapi parameter used to set poll timer interval v4: - Update uapi comment to reflect the kerne uapi header (Ashutosh) Signed-off-by: Lionel Landwerlin Signed-off-by: Umesh Nerlige Ramappa Reviewed-by: Ashutosh Dixit --- include/drm-uapi/i915_drm.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'include') diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h index 3794e768..2b55af13 100644 --- a/include/drm-uapi/i915_drm.h +++ b/include/drm-uapi/i915_drm.h @@ -1969,6 +1969,30 @@ enum drm_i915_perf_property_id { */ DRM_I915_PERF_PROP_HOLD_PREEMPTION, + /** + * Specifying this pins all contexts to the specified SSEU power + * configuration for the duration of the recording. + * + * This parameter's value is a pointer to a struct + * drm_i915_gem_context_param_sseu. + * + * This property is available in perf revision 4. + */ + DRM_I915_PERF_PROP_GLOBAL_SSEU, + + /** + * This optional parameter specifies the timer interval in nanoseconds + * at which the i915 driver will check the OA buffer for available data. + * Minimum allowed value is 100 microseconds. A default value is used by + * the driver if this parameter is not specified. Note that larger timer + * values will reduce cpu consumption during OA perf captures. However, + * excessively large values would potentially result in OA buffer + * overwrites as captures reach end of the OA buffer. + * + * This property is available in perf revision 5. + */ + DRM_I915_PERF_PROP_POLL_OA_PERIOD, + DRM_I915_PERF_PROP_MAX /* non-ABI */ }; -- cgit v1.2.3