From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 1/2] drm/i915/bxt: work around HW coherency issue when accessing GPU seqno Date: Thu, 11 Jun 2015 09:20:20 +0100 Message-ID: <20150611082020.GG12731@nuc-i3427.alporthouse.com> References: <20150608171247.GD11457@nuc-i3427.alporthouse.com> <20150608173451.GF5176@intel.com> <20150608180049.GK11457@nuc-i3427.alporthouse.com> <20150608184002.GG5176@intel.com> <5575EDF9.9070303@intel.com> <1433933973.25216.48.camel@intel.com> <55785353.5090803@virtuousgeek.org> <1433950018.25216.94.camel@intel.com> <20150610155230.GC12731@nuc-i3427.alporthouse.com> <557940A4.3040404@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id 5E4E66E9B5 for ; Thu, 11 Jun 2015 01:20:27 -0700 (PDT) Content-Disposition: inline In-Reply-To: <557940A4.3040404@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dave Gordon Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKdW4gMTEsIDIwMTUgYXQgMDk6MDI6NDRBTSArMDEwMCwgRGF2ZSBHb3Jkb24gd3Jv dGU6Cj4gT24gMTAvMDYvMTUgMTY6NTIsIENocmlzIFdpbHNvbiB3cm90ZToKPiA+IEkgc2VlbSB0 byByZWNhbGwgdGhhdCB3ZSB0cmllZCBjbGZsdXNoaW5nIGZvciBnZW42KywgYnV0IHdlIGRpZG4n dAo+ID4gcmVjb3JkIGFueSBkZXRhaWxzLCBzbyBpdCBtYXkgYmUgd29ydGggcmV0ZXN0aW5nIGl2 YiB3aXRoIHRoYXQgdy9hLgo+IAo+IElzIHRoYXQgY2xmbHVzaCBvbiB0aGUgQ1BVLCBvciBNSV9D TEZMVVNIIG9uIHRoZSBHUFU/IERvZXMgdGhlIGxhdHRlcgo+IGhlbHAgYXQgYWxsPwoKT25seSBD UFUuIFRoZSB3L2EgaXMgcmVxdWlyZWQgZm9yIGFsbCByaW5ncywgYW5kIHRoZSBNSV9DRkxVU0gg aXMgUkNTCm9ubHkuCgpBbnl3YXkgc28gZmFyIHVzaW5nIGNsZmx1c2ggZm9yIGdlbjYvaXZiL2hz dyBJIGhhdmVuJ3QgeWV0IHRyaWdnZXJlZCB0aGUKZmFpbHVyZXMsIGJ1dCB0aGVyZSBpcyBhIG1l YXN1cmFibHkgaW1wcm92ZW1lbnQgb3ZlciB0aGUgSTkxNV9SRUFEKCkuCi1DaHJpcwoKLS0gCkNo cmlzIFdpbHNvbiwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50cmUKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcg bGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK