From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alyssa Rosenzweig Subject: Re: [PATCH 0/3] drm/panfrost: Expose HW counters to userspace Date: Sat, 11 May 2019 15:32:20 -0700 Message-ID: <20190511223220.GA15155@rosenzweig.io> References: <20190404152051.17996-1-boris.brezillon@collabora.com> <20190430144238.49963521@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from rosenzweig.io (rosenzweig.io [107.170.207.86]) by gabe.freedesktop.org (Postfix) with ESMTPS id 69FD989BD4 for ; Sat, 11 May 2019 22:32:21 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190430144238.49963521@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Boris Brezillon Cc: Neil Armstrong , Emil Velikov , dri-devel@lists.freedesktop.org, Steven Price , Rob Herring , Mark Janes , kernel@collabora.com List-Id: dri-devel@lists.freedesktop.org SGkgYWxsLAoKQXMgU3RldmVuIFByaWNlIGV4cGxhaW5lZCwgdGhlICJHUFUgdG9wIiBrYmFzZSBh cHByb2FjaCBpcyBvZnRlbiBtb3JlCnVzZWZ1bCBhbmQgYWNjdXJhdGUgdGhhbiBwZXItZHJhdyB0 aW1pbmcuIAoKRm9yIGEgM0QgZ2FtZSBpbnNpZGUgYSBHUFUtYWNjZWxlcmF0ZWQgZGVza3RvcCwg dGhlIGdhbWVzJyBjb3VudGVycwoqc2hvdWxkKiBpbmNsdWRlIGRlc2t0b3Agb3ZlcmhlYWQuIFRo aXMgZXh0ZXJuYWwgb3ZlcmhlYWQgZG9lcyBhZmZlY3QKdGhlIGdhbWUncyBwZXJmb3JtYW5jZSwg ZXNwZWNpYWxseSBpZiB0aGUgY29udGV4dHMgYXJlIGNvbXBldGluZyBmb3IKcmVzb3VyY2VzIGxp a2UgbWVtb3J5IGJhbmR3aWR0aC4gQW4gaXNvbGF0ZWQgc2FtcGxlIGlzIGVhc3kgdG8gYWNoaWV2 ZQpydW5uaW5nIG9ubHkgdGhlIGFwcCBvZiBpbnRlcmVzdDsgaW4gaWRlYWwgY29uZGl0aW9ucyAo emVyby1jb3B5CmZ1bGxzY3JlZW4pLCBkZXNrdG9wIGludGVyZmVyZW5jZSBpcyBuZWdsaWdpYmxl LiAKCkZvciBkcml2ZXIgZGV2ZWxvcGVycywgdGhlIHN5c3RlbS13aWRlIG1lYXN1cmVtZW50cyBh cmUgcHJlZmVyYWJsZSwKcGFpbnRpbmcgYSBjb21wbGV0ZSBzeXN0ZW0gcGljdHVyZSBhbmQgYXZv aWRpbmcgZGlzcnVwdGlvbnMuIFRoZXJlIGlzIG5vCnJpc2sgb2YgY29uZnVzaW9uLCBhcyB0aGUg ZHJpdmVyIGRldmVsb3BlcnMgdW5kZXJzdGFuZCBob3cgdGhlIGNvdW50ZXJzCmFyZSBleHBvc2Vk LiBGdXJ0aGVyLCBiZW5jaG1hcmtzIHJlbmRlcmluZyBkaXJlY3QgdG8gYSBHQk0gc3VyZmFjZSBh cmUKYXZhaWxhYmxlIChnbG1hcmsyLWVzMi1kcm0pLCBlbGltaW5hdGluZyBpbnRlcmZlcmVuY2Ug ZXZlbiB3aXRoIHBvb3IKZGVza3RvcCBwZXJmb3JtYW5jZS4KCkZvciBhcHAgZGV2ZWxvcGVycywg dGhlIGNvbmZ1c2lvbiBvZiBtdWx0aS1jb250ZXh0IGludGVyZmVyZW5jZSBpcwp1bmZvcnR1bmF0 ZS4gTmV2ZXJ0aGVsZXNzLCBpZiBlbmFibGluZyBjb3VudGVycyB3ZXJlIHRvIHNsb3cgZG93biBh bgphcHAsIHRoZSBjb25mdXNpb24gY291bGQgYmUgd29yc2UuIENvbnNpZGVyIHNlY29uZC1vcmRl ciBjaGFuZ2VzIGluIHRoZQphcHAncyBwZXJmb3JtYW5jZSBjaGFyYWN0ZXJpc3RpY3MgZHVlIHRv IHNsb3dkb3duOiBpZiB0ZWNobmlxdWVzIGxpa2UKZHluYW1pYyByZXNvbHV0aW9uIHNjYWxpbmcg YXJlIGVtcGxveWVkLCB0aGUgY291bnRlcnMnIHJlc3VsdHMgY2FuIGJlCmludmFsaWQuICBMaWtl d2lzZSwgZXZlbiBpZiB0aGUgbG93ZXItcGVyZm9ybWFuY2UgY291bnRlcnMgYXJlCmFwcHJvcHJp YXRlIGZvciBwdXJlbHkgZ3JhcGhpY2FsIHdvcmtsb2FkcywgY29tcGxleCBhcHBzIHdpdGggdmFy aWFibGUKQ1BVIG92ZXJoZWFkIChlLmcuIGZyb20gYW4gRlBTLWRlcGVuZGVudCBwaHlzaWNzIGVu Z2luZSkgY2FuIGZ1cnRoZXIKY29uZm91bmQgY291bnRlcnMuIExvdy1vdmVyaGVhZCBzeXN0ZW0t d2lkZSBtZWFzdXJlbWVudHMgbWl0aWdhdGUgdGhlc2UKY29uY2VybnMuCgpBcyBSb2IgQ2xhcmsg c3VnZ2VzdGVkLCBzeXN0ZW0td2lkZSBjb3VudGVycyBjb3VsZCBiZSBleHBvc2VkIHZpYSBhCnNl bWktc3RhbmRhcmRpemVkIGludGVyZmFjZSwgcGVyaGFwcyB3aXRoaW4gZGVidWdmcy9zeXNmcy4g VGhlIGludGVyZmFjZQpjb3VsZCBub3QgYmUgY29tcGxldGVseSBzdGFuZGFyZCwgYXMgdGhlIGxp c3Qgb2YgY291bnRlcnMgZXhwb3NlZCB2YXJpZXMKc3Vic3RhbnRpYWxseSBieSB2ZW5kb3IgYW5k IG1vZGVsLiBOZXZlcnRoZWxlc3MsIHRoZSBtZWNoYW5pY3Mgb2YKZGlzY292ZXJpbmcsIGVuYWJs aW5nLCByZWFkaW5nLCBhbmQgZGlzYWJsaW5nIGNvdW50ZXJzIGNhbiBiZQpzdGFuZGFyZGl6ZWQs IGFzIGNhbiBhIHNtYWxsIHNldCBvZiB1bml2ZXJzYWxseSBtZWFuaW5nZnVsIGNvdW50ZXJzIGxp a2UKdG90YWwgR1BVIHV0aWxpemF0aW9uLiBUaGlzIHdvdWxkIHBlcm1pdCBhIHZlbmRvci1pbmRl cGVuZGVudCBHUFUgdG9wCmFwcCBhcyBzdWdnZXN0ZWQsIGFzIGlzIEkgYmVsaWV2ZSBjdXJyZW50 bHkgcG9zc2libGUgd2l0aAp2ZW5kb3Itc3BlY2lmaWMgZG93bnN0cmVhbSBrZXJuZWxzIChlLmcu IHZpYSBHYXRvci9TdHJlYW1saW5lIGZvciBNYWxpKQoKSXQgbG9va3MgbGlrZSB0aGlzIGRpc2N1 c3Npb24gaXMgZG9ybWFudC4gQ291bGQgd2UgdHJ5IHRvIGdldCB0aGlzCnNvcnRlZD8gRm9yIFBh bmZyb3N0LCBJJ20gaGl0dGluZyBHUFUtc2lkZSBib3R0bGVuZWNrcyB0aGF0IEknbSB1bmFibGUK dG8gZGlhZ25vc2Ugd2l0aG91dCBhY2Nlc3MgdG8gdGhlIGNvdW50ZXJzLCBzbyBJJ20gZWFnZXIg Zm9yIGEgbWFpbmxpbmUKc29sdXRpb24gdG8gYmUgaW1wbGVtZW50ZWQuCgpUaGFuayB5b3UsCgpB bHlzc2EKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJp LWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs