From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH v2] drm/i915: use effective_size for ringbuffer calculations Date: 19 Dec 2014 04:52:23 -0800 Message-ID: References: <1418922180-18720-1-git-send-email-david.s.gordon@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id A812B6E66B for ; Fri, 19 Dec 2014 04:52:24 -0800 (PST) In-Reply-To: <1418922180-18720-1-git-send-email-david.s.gordon@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, intel-gfx@lists.freedesktop.org, david.s.gordon@intel.com List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBQUkMgUUEgUFJUUyAoUGF0Y2ggUmVncmVzc2lvbiBUZXN0IFN5c3RlbSBDb250 YWN0OiBzaHVhbmcuaGVAaW50ZWwuY29tKQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tU3VtbWFyeS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZv cm0gICAgICAgICAgRGVsdGEgICAgICAgICAgZHJtLWludGVsLW5pZ2h0bHkgICAgICAgICAgU2Vy aWVzIEFwcGxpZWQKUE5WICAgICAgICAgICAgICAgICAtMSAgICAgICAgICAgICAgMzY0LzM2NCAg ICAgICAgICAgICAgMzYzLzM2NApJTEsgICAgICAgICAgICAgICsxLTEgICAgICAgICAgICAgIDM2 NC8zNjYgICAgICAgICAgICAgIDM2NC8zNjYKU05CICAgICAgICAgICAgICAgICAtMSAgICAgICAg ICAgICAgNDQ4LzQ1MCAgICAgICAgICAgICAgNDQ3LzQ1MApJVkIgICAgICAgICAgICAgICAgIC0x ICAgICAgICAgICAgICA0OTcvNDk4ICAgICAgICAgICAgICA0OTYvNDk4CkJZVCAgICAgICAgICAg ICAgICAgLTEgICAgICAgICAgICAgIDI4OS8yODkgICAgICAgICAgICAgIDI4OC8yODkKSFNXICAg ICAgICAgICAgICAgICAtMSAgICAgICAgICAgICAgNTYzLzU2NCAgICAgICAgICAgICAgNTYyLzU2 NApCRFcgICAgICAgICAgICAgICAgIC0xICAgICAgICAgICAgICA0MTYvNDE3ICAgICAgICAgICAg ICA0MTUvNDE3Ci0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS1EZXRhaWxlZC0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZvcm0gIFRlc3QgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgIGRybS1pbnRlbC1uaWdodGx5ICAgICAgICAgIFNlcmll cyBBcHBsaWVkCiBQTlYgIGlndF9nZW1fZXhlY19ibHQgICAgICBOUlVOKDYsIE0yM003TTI1KVBB U1MoMSwgTTI1KSAgICAgIE5SVU4oMSwgTTcpCiBJTEsgIGlndF9nZW1fZXhlY19ibHQgICAgICBO UlVOKDcsIE0zN00yNilQQVNTKDEsIE0yNikgICAgICBOUlVOKDEsIE0zNykKIElMSyAgaWd0X2tt c19mbGlwX2Jjcy1mbGlwLXZzLW1vZGVzZXQtaW50ZXJydXB0aWJsZSAgICAgIERNRVNHX1dBUk4o MSwgTTI2KVBBU1MoMTAsIE0zN00yNikgICAgICBQQVNTKDEsIE0zNykKIFNOQiAgaWd0X2dlbV9l eGVjX2JsdCAgICAgIE5SVU4oNywgTTM1TTIyKVBBU1MoMSwgTTM1KSAgICAgIE5SVU4oMSwgTTIy KQogSVZCICBpZ3RfZ2VtX2V4ZWNfYmx0ICAgICAgTlJVTig3LCBNMzRNMjFNNClQQVNTKDEsIE0z NCkgICAgICBOUlVOKDEsIE0zNCkKIEJZVCAgaWd0X2dlbV9leGVjX2JsdCAgICAgIE5SVU4oNywg TTQ4TTQ5TTUwTTUxKVBBU1MoMSwgTTQ4KSAgICAgIE5SVU4oMSwgTTUwKQogSFNXICBpZ3RfZ2Vt X2V4ZWNfYmx0ICAgICAgTlJVTig3LCBNNDBNMjBNMTkpUEFTUygxLCBNNDApICAgICAgTlJVTigx LCBNMTkpCiBCRFcgIGlndF9nZW1fZXhlY19ibHQgICAgICBOUlVOKDcsIE0zME0yOClQQVNTKDEs IE0yOCkgICAgICBOUlVOKDEsIE0yOCkKTm90ZTogWW91IG5lZWQgdG8gcGF5IG1vcmUgYXR0ZW50 aW9uIHRvIGxpbmUgc3RhcnQgd2l0aCAnKicKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK