From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 2/2] drm/i915/skl: Fix spurious gpu hang with gt3/gt4 revs Date: Tue, 05 Apr 2016 17:07:35 +0300 Message-ID: <87mvp8tahk.fsf@intel.com> References: <1459860977-27751-1-git-send-email-mika.kuoppala@intel.com> <1459860977-27751-2-git-send-email-mika.kuoppala@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id D2F416E7C0 for ; Tue, 5 Apr 2016 14:09:28 +0000 (UTC) In-Reply-To: <1459860977-27751-2-git-send-email-mika.kuoppala@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mika Kuoppala , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCAwNSBBcHIgMjAxNiwgTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5p bnRlbC5jb20+IHdyb3RlOgo+IEV4cGVyaW1lbnRzIHdpdGggaGVhdmVuIDQuMCBiZW5jaG1hcmsg YW5kIHNreWxha2UgZ3QzZSAocmV2IDB4YSkKPiBzdWdnZXN0IHRoYXQgV2FGb3JjZUNvbnRleHRT YXZlUmVzdG9yZU5vbkNvaGVyZW50IGlzIG5lZWRlZCBmb3IgYWxsCj4gcmV2cy4gRXh0ZW5kaW5n IHRoaXMgdG8gYWxsIHJldnMgY3VyZXMgYSBncHUgaGFuZyB3aXRoIHJldiAweGEgd2hlbgo+IHJ1 bm5pbmcgaGVhdmVuNC4wIGdwdSBiZW5jaG1hcmsuCj4KPiBXZSBoYXZlIGJlZW4gaGVyZSBiZWZv cmUsIHdpdGggcHJvYmxlbXMgZW5hYmxpbmcgZ3Q0ZSBhbmQgZXh0ZW5kaW5nCj4gdXAgdG8gcmV2 aXNpb24gRjAgaW5zdGVhZCBvZiBmYWxzZSBjbGFpbXMgb2YgYnNwZWMgb2YgRTAgb25seS4gU2Vl Cj4gY29tbWl0IDxlMjM4NjU5ZGRkODg+ICgiZHJtL2k5MTUvc2tsOiBEZWZhdWx0IHRvIG5vbmNv aGVyZW50IGFjY2Vzcwo+IHVwIHRvIEYwIikuIEluIHJldHJvc3BlY3Qgd2Ugc2hvdWxkIGhhdmUg Y292ZXJlZCB0aGlzIHdpdGggdGhpcyBiaWcKPiBibGFua2V0IGJhY2sgdGhlbiBhbHJlYWR5LCBh cyBFMCB2cyBGMCBkaXNjcmVwYW5jeSB3YXMgc3VzcGljaW91cwo+IGVub3VnaC4KPgo+IFByZXZp b3VzbHkgdGhlIFdhRm9yY2VFbmFibGVOb25Db2hlcmVudCBoYXMgYmVlbiB0aWVkIHRvCj4gY29u dGV4dCBub24tY29oZXJlbmNlLCBhdGxlYXN0IGluIHJlbGV2YW50IGhzZHMuIFNvIGtlZXAgdGhp cyB0aWUKPiBhbmQgZXh0ZW5kZWQgdGhpcyBhbG9uZ3NpZGUuCj4KPiBDYzogQWJkaWVsIEphbnVs Z3VlIDxhYmRpZWwuamFudWxndWVAbGludXguaW50ZWwuY29tPgo+IENjOiBCZW4gV2lkYXdza3kg PGJlbmphbWluLndpZGF3c2t5QGludGVsLmNvbT4KPiBDYzogVGltbyBBYWx0b25lbiA8dGphYWx0 b25AdWJ1bnR1LmNvbT4KPiBDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwo+IFJlcG9ydGVkLWJ5 OiBNaWtlIExvdGhpYW4gPG1pa2VAZmlyZWJ1cm4uY28udWs+Cj4gUmVmZXJlbmNlczogaHR0cHM6 Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9OTM0OTEKPiBTaWduZWQtb2Zm LWJ5OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KPiAtLS0KPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jIHwgNSArKystLQo+ICAxIGZpbGUg Y2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+IGluZGV4IDQ1Y2U0NWE1ZTEyMi4uN2ZjZTFlNmFm Y2JjIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIu Ywo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3JpbmdidWZmZXIuYwo+IEBAIC05 NjgsNyArOTY4LDcgQEAgc3RhdGljIGludCBnZW45X2luaXRfd29ya2Fyb3VuZHMoc3RydWN0IGlu dGVsX2VuZ2luZV9jcyAqcmluZykKPiAgCj4gIAkvKiBXYUZvcmNlQ29udGV4dFNhdmVSZXN0b3Jl Tm9uQ29oZXJlbnQ6c2tsLGJ4dCAqLwo+ICAJdG1wID0gSERDX0ZPUkNFX0NPTlRFWFRfU0FWRV9S RVNUT1JFX05PTl9DT0hFUkVOVDsKPiAtCWlmIChJU19TS0xfUkVWSUQoZGV2LCBTS0xfUkVWSURf RjAsIFNLTF9SRVZJRF9GMCkgfHwKPiArCWlmIChJU19TS0xfUkVWSUQoZGV2LCBTS0xfUkVWSURf RjAsIFJFVklEX0ZPUkVWRVIpIHx8CgpTaWRlIG5vdGUgb25seSBzbGlnaHRseSByZWxhdGVkIHRv IHRoaXMgcGF0Y2g6IFdlIG5lZWQgdG8gc3RhcnQgZHJvcHBpbmcKc3VwcG9ydCBmb3Igb2xkIHN0 ZXBwaW5ncywgb25seSBsZWF2aW5nIHByb2R1Y3Rpb24gc3RlcHBpbmdzIGluIHBsYWNlLgoKQlIs CkphbmkuCgoKPiAgCSAgICBJU19CWFRfUkVWSUQoZGV2LCBCWFRfUkVWSURfQjAsIFJFVklEX0ZP UkVWRVIpKQo+ICAJCXRtcCB8PSBIRENfRk9SQ0VfQ1NSX05PTl9DT0hFUkVOVF9PVlJfRElTQUJM RTsKPiAgCVdBX1NFVF9CSVRfTUFTS0VEKEhEQ19DSElDS0VOMCwgdG1wKTsKPiBAQCAtMTA4NSw3 ICsxMDg1LDggQEAgc3RhdGljIGludCBza2xfaW5pdF93b3JrYXJvdW5kcyhzdHJ1Y3QgaW50ZWxf ZW5naW5lX2NzICpyaW5nKQo+ICAJCVdBX1NFVF9CSVRfTUFTS0VEKEhJWl9DSElDS0VOLAo+ICAJ CQkJICBCRFdfSElaX1BPV0VSX0NPTVBJTEVSX0NMT0NLX0dBVElOR19ESVNBQkxFKTsKPiAgCj4g LQlpZiAoSVNfU0tMX1JFVklEKGRldiwgMCwgU0tMX1JFVklEX0YwKSkgewo+ICsJLyogVGhpcyBp cyB0aWVkIHRvIFdhRm9yY2VDb250ZXh0U2F2ZVJlc3RvcmVOb25Db2hlcmVudCAqLwo+ICsJaWYg KElTX1NLTF9SRVZJRChkZXYsIDAsIFJFVklEX0ZPUkVWRVIpKSB7Cj4gIAkJLyoKPiAgCQkgKlVz ZSBGb3JjZSBOb24tQ29oZXJlbnQgd2hlbmV2ZXIgZXhlY3V0aW5nIGEgM0QgY29udGV4dC4gVGhp cwo+ICAJCSAqIGlzIGEgd29ya2Fyb3VuZCBmb3IgYSBwb3NzaWJsZSBoYW5nIGluIHRoZSB1bmxp a2VseSBldmVudAoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5 IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK