X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=include%2Fuapi%2Fdrm%2Fi915_drm.h;fp=include%2Fuapi%2Fdrm%2Fi915_drm.h;h=14b67cd6b54b76a2cc7ef93aab3d2e37e8f8770f;hp=db649d03ab52f346ecbb2b78c81d6526abb86a46;hb=4ef10fe05ba0b08ce7029c07878afe3c8d5754d8;hpb=c51dbc6e8f1796d235f308ae365ffc4ad8c54ff9

diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index db649d03ab52..14b67cd6b54b 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -1980,6 +1980,19 @@ enum drm_i915_perf_property_id {
 	 */
 	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 */
 };