From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v4] drm/i915: Workaround to avoid lite restore with HEAD==TAIL Date: Fri, 24 Apr 2015 00:20:12 +0300 Message-ID: <87d22uwnhv.fsf@intel.com> References: <1428658353-20692-1-git-send-email-michel.thierry@intel.com> <1429117893-8902-1-git-send-email-michel.thierry@intel.com> <20150415171900.GA3981@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 6CDF16E22E for ; Thu, 23 Apr 2015 14:18:24 -0700 (PDT) In-Reply-To: <20150415171900.GA3981@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Michel Thierry Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAxNSBBcHIgMjAxNSwgQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+IHdyb3RlOgo+IE9uIFdlZCwgQXByIDE1LCAyMDE1IGF0IDA2OjExOjMzUE0gKzAxMDAsIE1p Y2hlbCBUaGllcnJ5IHdyb3RlOgo+PiBXYUlkbGVMaXRlUmVzdG9yZSBpcyBhbiBleGVjbGlzdHMt b25seSB3b3JrYXJvdW5kLCBhbmQgcmVxdWlyZXMgdGhlIGRyaXZlcgo+PiB0byBlbnN1cmUgdGhh dCBhbnkgY29udGV4dCBhbHdheXMgaGFzIEhFQUQhPVRBSUwgd2hlbiBhdHRlbXB0aW5nIGxpdGUK Pj4gcmVzdG9yZS4KPj4gCj4+IEFkZCB0d28gZXh0cmEgTUlfTk9PUCBpbnN0cnVjdGlvbnMgYXQg dGhlIGVuZCBvZiBlYWNoIHJlcXVlc3QsIGJ1dCBrZWVwCj4+IHRoZSByZXF1ZXN0cyB0YWlsIHBv aW50aW5nIGJlZm9yZSB0aGUgTUlfTk9PUHMuIFdlIG1heSBub3QgbmVlZCB0bwo+PiBleGVjdXRl ZCB0aGVtLCBhbmQgdGhpcyBpcyB3aHkgcmVxdWVzdC0+dGFpbCBpcyBzYW1wbGVkIGJlZm9yZSBh ZGRpbmcKPj4gdGhlc2UgZXh0cmEgaW5zdHJ1Y3Rpb25zLgo+PiAKPj4gSWYgd2Ugc3VibWl0IGEg Y29udGV4dCB0byB0aGUgRUxTUCB3aGljaCBoYXMgcHJldmlvdXNseSBiZWVuIHN1Ym1pdHRlZCwK Pj4gbW92ZSB0aGUgdGFpbCBwb2ludGVyIHBhc3QgdGhlIE1JX05PT1BzLiBUaGlzIGVuc3VyZXMg SEVBRCE9VEFJTC4KPj4gCj4+IHYyOiBNb3ZlIG92ZXJhbGxvY2F0aW9uIHRvIGdlbjhfZW1pdF9y ZXF1ZXN0LCBhbmQgYWRkZWQgbm90ZSBhYm91dAo+PiBzYW1wbGluZyByZXF1ZXN0LT50YWlsIGlu IGNvbW1pdCBtZXNzYWdlIChDaHJpcykuCj4+IAo+PiB2MzogUmVtb3ZlIHJlZHVuZGFudCByZXF1 ZXN0LT50YWlsIGFzc2lnbm1lbnQgaW4gX19pOTE1X2FkZF9yZXF1ZXN0LCBpbgo+PiBscmMgbW9k ZSB0aGlzIGlzIGFscmVhZHkgc2V0IGluIGV4ZWNsaXN0c19jb250ZXh0X3F1ZXVlLgo+PiBEbyBu b3QgYWRkIHdhIGltcGxlbWVudGF0aW9uIGRldGFpbHMgaW5zaWRlIGdlbSAoQ2hyaXMpLgo+PiAK Pj4gdjQ6IEFwcGx5IHRoZSB3YSB3aGVuZXZlciB0aGUgcmVxIGhhcyBiZWVuIHJlc3VibWl0dGVk IGFuZCB1cGRhdGUKPj4gY29tbWVudCAoQ2hyaXMpLgo+PiAKPj4gQ2M6IENocmlzIFdpbHNvbiA8 Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+PiBTaWduZWQtb2ZmLWJ5OiBUaG9tYXMgRGFuaWVs IDx0aG9tYXMuZGFuaWVsQGludGVsLmNvbT4KPj4gU2lnbmVkLW9mZi1ieTogTWljaGVsIFRoaWVy cnkgPG1pY2hlbC50aGllcnJ5QGludGVsLmNvbT4KPgo+IFJldmlld2VkLWJ5OiBDaHJpcyBXaWxz b24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KClB1c2hlZCB0byBkcm0taW50ZWwtbmV4dC1m aXhlcywgdGhhbmtzIGZvciB0aGUgcGF0Y2ggYW5kIHJldmlldy4KCkJSLApKYW5pLgoKCj4gLUNo cmlzCj4KPiAtLSAKPiBDaHJpcyBXaWxzb24sIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kg Q2VudHJlCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K PiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y Zwo+IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK