From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH] drm/i915: More cautious with pch fifo underruns Date: 24 Nov 2014 19:53:22 -0800 Message-ID: <6c3329$j561qf@orsmga002.jf.intel.com> References: <1416844965-10284-1-git-send-email-daniel.vetter@ffwll.ch> 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 BB1B76E470 for ; Mon, 24 Nov 2014 19:53:23 -0800 (PST) In-Reply-To: <1416844965-10284-1-git-send-email-daniel.vetter@ffwll.ch> 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, daniel.vetter@ffwll.ch List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBQUkMgUUEgUFJUUyAoUGF0Y2ggUmVncmVzc2lvbiBUZXN0IFN5c3RlbSBDb250 YWN0OiBzaHVhbmcuaGVAaW50ZWwuY29tKQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tU3VtbWFyeS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZv cm0gICAgICAgICAgRGVsdGEgICAgICAgICAgZHJtLWludGVsLW5pZ2h0bHkgICAgICAgICAgU2Vy aWVzIEFwcGxpZWQKUE5WICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIDM2Ny8zNjcg ICAgICAgICAgICAgIDM2Ny8zNjcKSUxLICAgICAgICAgICAgICAgICAtMTIgICAgICAgICAgICAg IDM3NS8zNzUgICAgICAgICAgICAgIDM2My8zNzUKU05CICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIDQ1MC80NTAgICAgICAgICAgICAgIDQ1MC80NTAKSVZCICAgICAgICAgICAgICAg ICAtMiAgICAgICAgICAgICAgNTAzLzUwMyAgICAgICAgICAgICAgNTAxLzUwMwpCWVQgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgMjg5LzI4OSAgICAgICAgICAgICAgMjg5LzI4OQpI U1cgICAgICAgICAgICAgICAgIC0zICAgICAgICAgICAgICA1NjcvNTY3ICAgICAgICAgICAgICA1 NjQvNTY3CkJEVyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICA0MTcvNDE3ICAgICAg ICAgICAgICA0MTcvNDE3Ci0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS1EZXRh aWxlZC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZvcm0gIFRlc3Qg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIGRybS1pbnRlbC1uaWdodGx5ICAgICAgICAg IFNlcmllcyBBcHBsaWVkCiBJTEsgIGlndF9nZW1fcmVzZXRfc3RhdHNfY2xvc2UtcGVuZGluZy1m b3JrLXJlbmRlciAgICAgIFRJTUVPVVQoOSwgTTM3TTI2KVBBU1MoMSwgTTI2KSAgICAgIFRJTUVP VVQoMSwgTTI2KQoqSUxLICBpZ3Rfa21zXzNkICAgICAgUEFTUygzLCBNMzdNMjYpICAgICAgRE1F U0dfV0FSTigxLCBNMjYpCiBJTEsgIGlndF9rbXNfZmxpcF9ub25leGlzdGluZy1mYiAgICAgIERN RVNHX1dBUk4oMiwgTTI2KVBBU1MoMywgTTM3TTI2KSAgICAgIERNRVNHX1dBUk4oMSwgTTI2KQoq SUxLICBpZ3Rfa21zX2ZsaXBfcmNzLXdmX3ZibGFuay12cy1tb2Rlc2V0ICAgICAgUEFTUygyLCBN MzdNMjYpICAgICAgRE1FU0dfV0FSTigxLCBNMjYpCiBJTEsgIGlndF9rbXNfZmxpcF9ibG9ja2lu Zy1hYnNvbHV0ZS13Zl92YmxhbmstaW50ZXJydXB0aWJsZSAgICAgIERNRVNHX1dBUk4oMiwgTTI2 KVBBU1MoMiwgTTM3TTI2KSAgICAgIERNRVNHX1dBUk4oMSwgTTI2KQogSUxLICBpZ3Rfa21zX2Zs aXBfZmxpcC12cy1kcG1zICAgICAgRE1FU0dfV0FSTigxLCBNMjYpUEFTUyg0LCBNMzdNMjYpICAg ICAgRE1FU0dfV0FSTigxLCBNMjYpCiBJTEsgIGlndF9rbXNfZmxpcF9mbGlwLXZzLXJtZmItaW50 ZXJydXB0aWJsZSAgICAgIERNRVNHX1dBUk4oMSwgTTI2KVBBU1MoMiwgTTM3TTI2KSAgICAgIERN RVNHX1dBUk4oMSwgTTI2KQogSUxLICBpZ3Rfa21zX2ZsaXBfcGxhaW4tZmxpcCAgICAgIERNRVNH X1dBUk4oMSwgTTI2KVBBU1MoMiwgTTM3TTI2KSAgICAgIERNRVNHX1dBUk4oMSwgTTI2KQoqSUxL ICBpZ3Rfa21zX2ZsaXBfcmNzLWZsaXAtdnMtbW9kZXNldC1pbnRlcnJ1cHRpYmxlICAgICAgUEFT UygzLCBNMzdNMjYpICAgICAgRE1FU0dfV0FSTigxLCBNMjYpCiBJTEsgIGlndF9rbXNfZmxpcF92 YmxhbmstdnMtaGFuZyAgICAgIFRJTUVPVVQoOSwgTTM3TTI2KVBBU1MoMSwgTTI2KSAgICAgIFRJ TUVPVVQoMSwgTTI2KQoqSUxLICBpZ3Rfa21zX2ZsaXBfd2ZfdmJsYW5rLXRzLWNoZWNrICAgICAg UEFTUygzLCBNMzdNMjYpICAgICAgRE1FU0dfV0FSTigxLCBNMjYpCiBJTEsgIGlndF9rbXNfZmxp cF93Zl92YmxhbmstdHMtY2hlY2staW50ZXJydXB0aWJsZSAgICAgIERNRVNHX1dBUk4oMSwgTTI2 KVBBU1MoMywgTTM3TTI2KSAgICAgIERNRVNHX1dBUk4oMSwgTTI2KQogSVZCICBpZ3RfZ2VtX2Jh ZF9yZWxvY19uZWdhdGl2ZS1yZWxvYyAgICAgIE5TUFQoMTQsIE0zNE0yMU00KVBBU1MoMSwgTTIx KSAgICAgIE5TUFQoMSwgTTQpCiBJVkIgIGlndF9nZW1fYmFkX3JlbG9jX25lZ2F0aXZlLXJlbG9j LWx1dCAgICAgIE5TUFQoMywgTTIxTTM0TTQpUEFTUygxNSwgTTIxTTM0TTQpICAgICAgTlNQVCgx LCBNNCkKIEhTVyAgaWd0X2dlbV9iYWRfcmVsb2NfbmVnYXRpdmUtcmVsb2MtbHV0ICAgICAgTlNQ VCgyNCwgTTQwTTIwTTE5KVBBU1MoMSwgTTIwKSAgICAgIE5TUFQoMSwgTTE5KQoqSFNXICBpZ3Rf a21zX3JvdGF0aW9uX2NyY19wcmltYXJ5LXJvdGF0aW9uICAgICAgUEFTUygyMywgTTIwTTQwTTE5 KSAgICAgIERNRVNHX1dBUk4oMSwgTTE5KQoqSFNXICBpZ3RfcG1fcmM2X3Jlc2lkZW5jeV9yYzYt YWNjdXJhY3kgICAgICBQQVNTKDI1LCBNMjBNNDBNMTkpICAgICAgRkFJTCgxLCBNMTkpCk5vdGU6 IFlvdSBuZWVkIHRvIHBheSBtb3JlIGF0dGVudGlvbiB0byBsaW5lIHN0YXJ0IHdpdGggJyonCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==