From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH v2] drm/i915: Workaround to avoid lite restore with HEAD==TAIL Date: Wed, 15 Apr 2015 07:49:30 +0100 Message-ID: <20150415064930.GA27250@nuc-i3427.alporthouse.com> References: <1428658353-20692-1-git-send-email-michel.thierry@intel.com> <1429026084-26800-1-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 C0EE86E124 for ; Tue, 14 Apr 2015 23:49:40 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1429026084-26800-1-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 T24gVHVlLCBBcHIgMTQsIDIwMTUgYXQgMDQ6NDE6MjRQTSArMDEwMCwgTWljaGVsIFRoaWVycnkg d3JvdGU6Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gaW5kZXggNmRkMGQ1Ny4uZGM5NDk4NCAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gKysrIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IEBAIC0yMzY0LDE0ICsyMzY0LDI3IEBAIGlu dCBfX2k5MTVfYWRkX3JlcXVlc3Qoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqcmluZywKPiAgCQly ZXQgPSByaW5nLT5lbWl0X3JlcXVlc3QocmluZ2J1ZiwgcmVxdWVzdCk7Cj4gIAkJaWYgKHJldCkK PiAgCQkJcmV0dXJuIHJldDsKPiArCj4gKwkJcmVxdWVzdC0+dGFpbCA9IGludGVsX3JpbmdfZ2V0 X3RhaWwocmluZ2J1Zik7Cj4gKwo+ICsJCWlmIChJU19HRU44KHJpbmctPmRldikgfHwgSVNfR0VO OShyaW5nLT5kZXYpKSB7Cj4gKwkJCS8qCj4gKwkJCSAqIEhlcmUgd2UgYWRkIHR3byBleHRyYSBO T09QcyBhcyBwYWRkaW5nIHRvIGF2b2lkCj4gKwkJCSAqIGxpdGUgcmVzdG9yZSBvZiBhIGNvbnRl eHQgd2l0aCBIRUFEPT1UQUlMLgo+ICsJCQkgKi8KPiArCQkJaW50ZWxfbG9naWNhbF9yaW5nX2Vt aXQocmluZ2J1ZiwgTUlfTk9PUCk7Cj4gKwkJCWludGVsX2xvZ2ljYWxfcmluZ19lbWl0KHJpbmdi dWYsIE1JX05PT1ApOwo+ICsJCQlpbnRlbF9sb2dpY2FsX3JpbmdfYWR2YW5jZShyaW5nYnVmKTsK PiArCQl9CgpCdXQgeW91IGFyZSBzdGlsbCBkb2luZyB0aGUgZGFuY2UgaGVyZSBpbnNpZGUgZ2Vt LCBub3QgYXMgYSBxdWlyayBvZiB0aGUKYmFja2VuZC4gVGhpcyBjYW4gYmUgbW92ZWQgdG8gYWR2 YW5jZV9hbmRfc3VibWl0IC0gbmVlZHMgdG8gc2luY2UKb3RoZXJ3aXNlIHRoZSBsb2dpYyBpcyBu b3cgc3BsaXQgYmV0d2VlbiB0d28gImluZGVwZW5kZW50IiB1bml0cy4KLUNocmlzCgotLSAKQ2hy aXMgV2lsc29uLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRyZQpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=