<html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> <div class="moz-cite-prefix">On 03/05/17 09:33, Chris Wilson wrote: </div> <blockquote cite="mid:20170503163311.GK8277@nuc-i3427.alporthouse.com" type="cite"> <pre wrap="">On Wed, May 03, 2017 at 09:23:56AM -0700, Lionel Landwerlin wrote: </pre> <blockquote type="cite"> <pre wrap="">From: Robert Bragg <a class="moz-txt-link-rfc2396E" href="mailto:robert@sixbynine.org"><robert@sixbynine.org></a> Enables userspace to determine the number of slices enabled and also know what specific slices are enabled. This information is required, for example, to be able to analyse some OA counter reports where the counter configuration depends on the HW slice configuration. </pre> </blockquote> <pre wrap="">This is counter to the suggestion that contexts program these themselves. There will be no global value. -Chris </pre> </blockquote> I saw your patches and was wondering whether the actual value userspace wants is the all on mask without the fused parts. If that's not the case, we might have to turn everything on for as long as i915 perf is being used. In any case, I'll have to update the commit message. I'll get back to you. Thanks, - Lionel </body> </html>