From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: Fix DPLL warning when starting guest VM Date: Mon, 30 Oct 2017 17:14:14 +0200 Message-ID: <20171030151414.GP10981@intel.com> References: <1509351426-11372-1-git-send-email-xinda.zhao@intel.com> <20171030134928.GO10981@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20171030134928.GO10981@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Zhao, Xinda" Cc: Zhao@freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBPY3QgMzAsIDIwMTcgYXQgMDM6NDk6MjhQTSArMDIwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIE1vbiwgT2N0IDMwLCAyMDE3IGF0IDA0OjE3OjA2UE0gKzA4MDAsIFpoYW8s IFhpbmRhIHdyb3RlOgo+ID4gVGhlIHdhcm5pbmcgaXMgb2NjdXJyZWQgaW4gZ3Vlc3QgVk0gd2hl biB0cnlpbmcgdG8gZ2V0IGNsb2NrIGluIGVuY29kZXIKPiA+IGluaXRpYWxpemF0aW9uLgoKV2hh dCBkb2VzIGd1ZXN0IFZNIG1lYW4gaGVyZT8gZ3Z0PyBJZiBzbywgd2h5IGRvIHlvdSBjbGFpbSB0 byBoYXZlCmFuIGVuYWJsZWQgcG9ydCB3aXRob3V0IGFuIGVuYWJsZWQgcGlwZT8KCj4gPiAKPiA+ IGludGVsX21vZGVzZXRfaW5pdCgpCj4gPiAgIC0+aW50ZWxfbW9kZXNldF9zZXR1cF9od19zdGF0 ZSgpCj4gPiAgICAgLT5pbnRlbF9kZGlfZ2V0X2NvbmZpZygpCj4gPiAgICAgICAtPmludGVsX2Rk aV9jbG9ja19nZXQoKQo+ID4gICAgICAgICAtPnNrbF9kZGlfY2xvY2tfZ2V0KCkKPiA+ICAgICAg ICAgICAtPmludGVsX2dldF9zaGFyZWRfZHBsbF9pZCgpCj4gPiAgICAgICAgICAgICAtPldBUk5f T04ocGxsIDwgZGV2X3ByaXYtPnNoYXJlZF9kcGxsc3x8Cj4gPiAgICAgICAgICAgICAgICAgcGxs ID4gJmRldl9wcml2LT5zaGFyZWRfZHBsbHNbZGV2X3ByaXYtPm51bV9zaGFyZWRfZHBsbF0pCj4g PiAKPiA+IEluIGVuY29kZXIgaW5pdGlhbGl6YXRpb24sIHNoYXJlZCBEUExMIGlzIHVzZWQgZm9y IGNhbGN1bGF0aW5nIGNsb2NrIGZvcgo+ID4gRERJIHBvcnRzLCBidXQgaXQgaXMgbm90IHNldCB3 aGVuIGNydGMgaXMgbm90IGFjdGl2ZS4KPiA+IEluIHNvbWUgY2FzZXMsIGVuY29kZXIgaXMgZW5h YmxlZCB3aGlsZSBjcnRjIGlzIGRpc2FibGVkLCBkdXJpbmcgZW5jb2Rlcgo+ID4gaW5pdGlhbGl6 YXRpb24sIHRoZSB3YXJuaW5nIG9jY3VycmVkLgo+ID4gCj4gPiBTaWduZWQtb2ZmLWJ5OiBaaGFv LCBYaW5kYSA8eGluZGEuemhhb0BpbnRlbC5jb20+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kZGkuYyB8IDEwICsrKysrKysrKysKPiA+ICAxIGZpbGUgY2hhbmdlZCwg MTAgaW5zZXJ0aW9ucygrKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZGRpLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwo+ID4gaW5k ZXggMjhjMjVjYi4uZWYzNWMxMiAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RkaS5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwo+ ID4gQEAgLTE0ODksNiArMTQ4OSwxNiBAQCB2b2lkIGludGVsX2RkaV9jbG9ja19nZXQoc3RydWN0 IGludGVsX2VuY29kZXIgKmVuY29kZXIsCj4gPiAgCQkJIHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRl ICpwaXBlX2NvbmZpZykKPiA+ICB7Cj4gPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdiA9IHRvX2k5MTUoZW5jb2Rlci0+YmFzZS5kZXYpOwo+ID4gKwlzdHJ1Y3QgaW50ZWxfY3J0 YyAqY3J0YyA9IHRvX2ludGVsX2NydGMocGlwZV9jb25maWctPmJhc2UuY3J0Yyk7Cj4gPiArCj4g PiArCS8qCj4gPiArCSAqIEZvciBEREkgcG9ydHMgd2UgYWx3YXlzIHVzZSBhIHNoYXJlZCBQTEwu Cj4gPiArCSAqIEJ1dCB0aGUgc2hhcmVkIFBMTCB3aWxsIG5vdCBiZSBzZXQgd2hlbiBjcnRjIGlz IG5vdCBhY3RpdmUuCj4gPiArCSAqLwo+ID4gKwlpZiAoY3J0Yy0+YWN0aXZlID09IGZhbHNlKSB7 Cj4gCj4gU2VlbSB0byBtZSB0aGF0IHRoZSBjb3JyZWN0IGZpeCB3b3VsZCBiZSB0byBkbyB0aGUg RFBMTCByZWFkb3V0Cj4gcmVnYXJkbGVzcyBvZiB0aGUgc3RhdGUgb2YgdGhlIHBpcGUuCj4gCj4g PiArCQlEUk1fREVCVUdfS01TKCJUcnlpbmcgdG8gZ2V0IGNsb2NrLCBidXQgcGlwZSBpcyBub3Qg YWN0aXZlLlxuIik7Cj4gPiArCQlyZXR1cm47Cj4gPiArCX0KPiA+ICAKPiA+ICAJaWYgKElOVEVM X0dFTihkZXZfcHJpdikgPD0gOCkKPiA+ICAJCWhzd19kZGlfY2xvY2tfZ2V0KGVuY29kZXIsIHBp cGVfY29uZmlnKTsKPiA+IC0tIAo+ID4gMi43LjQKPiA+IAo+ID4gX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QK PiA+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiA+IGh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cj4gCj4gLS0gCj4gVmlsbGUg U3lyasOkbMOkCj4gSW50ZWwgT1RDCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK