From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH v2] drm/i915: Workaround to avoid lite restore with HEAD==TAIL Date: 15 Apr 2015 12:04:09 -0700 Message-ID: References: <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 mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E6636E0C4 for ; Wed, 15 Apr 2015 12:04:31 -0700 (PDT) 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: shuang.he@intel.com, ethan.gao@intel.com, intel-gfx@lists.freedesktop.org, michel.thierry@intel.com List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBJbnRlbCBHcmFwaGljcyBRQSBQUlRTIChQYXRjaCBSZWdyZXNzaW9uIFRlc3Qg U3lzdGVtIENvbnRhY3Q6IHNodWFuZy5oZUBpbnRlbC5jb20pClRhc2sgaWQ6IDYxOTIKLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLVN1bW1hcnktLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tClBsYXRmb3JtICAgICAgICAgIERlbHRhICAgICAgICAgIGRybS1p bnRlbC1uaWdodGx5ICAgICAgICAgIFNlcmllcyBBcHBsaWVkClBOViAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAyNzYvMjc2ICAgICAgICAgICAgICAyNzYvMjc2CklMSyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAzMDEvMzAxICAgICAgICAgICAgICAzMDEvMzAxClNO QiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAzMTYvMzE2ICAgICAgICAgICAgICAz MTYvMzE2CklWQiAgICAgICAgICAgICAgICAgLTEgICAgICAgICAgICAgIDMyOC8zMjggICAgICAg ICAgICAgIDMyNy8zMjgKQllUICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIDI4NS8y ODUgICAgICAgICAgICAgIDI4NS8yODUKSFNXICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgIDM5NC8zOTQgICAgICAgICAgICAgIDM5NC8zOTQKQkRXICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgIDMyMS8zMjEgICAgICAgICAgICAgIDMyMS8zMjEKLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLURldGFpbGVkLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQpQbGF0Zm9ybSAgVGVzdCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ZHJtLWludGVsLW5pZ2h0bHkgICAgICAgICAgU2VyaWVzIEFwcGxpZWQKIElWQiAgaWd0QGdlbV9w d3JpdGVfcHJlYWRAdW5jYWNoZWQtY29weS1wZXJmb3JtYW5jZSAgICAgIERNRVNHX1dBUk4oMylQ QVNTKDgpICAgICAgRE1FU0dfV0FSTigxKVBBU1MoMSkKKGRtZXNnIHBhdGNoIGFwcGxpZWQpZHJt Omk5MTVfaGFuZ2NoZWNrX2VsYXBzZWRbaTkxNV1dKkVSUk9SKkhhbmdjaGVja190aW1lcl9lbGFw c2VkLi4uYmxpdHRlcl9yaW5nX2lkbGVASGFuZ2NoZWNrIHRpbWVyIGVsYXBzZWQuLi4gYmxpdHRl ciByaW5nIGlkbGUKTm90ZTogWW91IG5lZWQgdG8gcGF5IG1vcmUgYXR0ZW50aW9uIHRvIGxpbmUg c3RhcnQgd2l0aCAnKicKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK