From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH v4] drm/i915: Workaround to avoid lite restore with HEAD==TAIL Date: Wed, 15 Apr 2015 18:19:00 +0100 Message-ID: <20150415171900.GA3981@nuc-i3427.alporthouse.com> References: <1428658353-20692-1-git-send-email-michel.thierry@intel.com> <1429117893-8902-1-git-send-email-michel.thierry@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 0757D6E370 for ; Wed, 15 Apr 2015 10:19:09 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1429117893-8902-1-git-send-email-michel.thierry@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Michel Thierry Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBBcHIgMTUsIDIwMTUgYXQgMDY6MTE6MzNQTSArMDEwMCwgTWljaGVsIFRoaWVycnkg d3JvdGU6Cj4gV2FJZGxlTGl0ZVJlc3RvcmUgaXMgYW4gZXhlY2xpc3RzLW9ubHkgd29ya2Fyb3Vu ZCwgYW5kIHJlcXVpcmVzIHRoZSBkcml2ZXIKPiB0byBlbnN1cmUgdGhhdCBhbnkgY29udGV4dCBh bHdheXMgaGFzIEhFQUQhPVRBSUwgd2hlbiBhdHRlbXB0aW5nIGxpdGUKPiByZXN0b3JlLgo+IAo+ IEFkZCB0d28gZXh0cmEgTUlfTk9PUCBpbnN0cnVjdGlvbnMgYXQgdGhlIGVuZCBvZiBlYWNoIHJl cXVlc3QsIGJ1dCBrZWVwCj4gdGhlIHJlcXVlc3RzIHRhaWwgcG9pbnRpbmcgYmVmb3JlIHRoZSBN SV9OT09Qcy4gV2UgbWF5IG5vdCBuZWVkIHRvCj4gZXhlY3V0ZWQgdGhlbSwgYW5kIHRoaXMgaXMg d2h5IHJlcXVlc3QtPnRhaWwgaXMgc2FtcGxlZCBiZWZvcmUgYWRkaW5nCj4gdGhlc2UgZXh0cmEg aW5zdHJ1Y3Rpb25zLgo+IAo+IElmIHdlIHN1Ym1pdCBhIGNvbnRleHQgdG8gdGhlIEVMU1Agd2hp Y2ggaGFzIHByZXZpb3VzbHkgYmVlbiBzdWJtaXR0ZWQsCj4gbW92ZSB0aGUgdGFpbCBwb2ludGVy IHBhc3QgdGhlIE1JX05PT1BzLiBUaGlzIGVuc3VyZXMgSEVBRCE9VEFJTC4KPiAKPiB2MjogTW92 ZSBvdmVyYWxsb2NhdGlvbiB0byBnZW44X2VtaXRfcmVxdWVzdCwgYW5kIGFkZGVkIG5vdGUgYWJv dXQKPiBzYW1wbGluZyByZXF1ZXN0LT50YWlsIGluIGNvbW1pdCBtZXNzYWdlIChDaHJpcykuCj4g Cj4gdjM6IFJlbW92ZSByZWR1bmRhbnQgcmVxdWVzdC0+dGFpbCBhc3NpZ25tZW50IGluIF9faTkx NV9hZGRfcmVxdWVzdCwgaW4KPiBscmMgbW9kZSB0aGlzIGlzIGFscmVhZHkgc2V0IGluIGV4ZWNs aXN0c19jb250ZXh0X3F1ZXVlLgo+IERvIG5vdCBhZGQgd2EgaW1wbGVtZW50YXRpb24gZGV0YWls cyBpbnNpZGUgZ2VtIChDaHJpcykuCj4gCj4gdjQ6IEFwcGx5IHRoZSB3YSB3aGVuZXZlciB0aGUg cmVxIGhhcyBiZWVuIHJlc3VibWl0dGVkIGFuZCB1cGRhdGUKPiBjb21tZW50IChDaHJpcykuCj4g Cj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IFNpZ25lZC1v ZmYtYnk6IFRob21hcyBEYW5pZWwgPHRob21hcy5kYW5pZWxAaW50ZWwuY29tPgo+IFNpZ25lZC1v ZmYtYnk6IE1pY2hlbCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+CgpSZXZpZXdl ZC1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Ci1DaHJpcwoKLS0g CkNocmlzIFdpbHNvbiwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50cmUKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK