From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2 1/2] drm/i915/gen9: Assume CDCLK PLL is off if it's not locked Date: Tue, 24 May 2016 17:45:19 +0300 Message-ID: <20160524144519.GG4329@intel.com> References: <1464093513-16258-1-git-send-email-imre.deak@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 3EEFD6E7E0 for ; Tue, 24 May 2016 14:45:23 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1464093513-16258-1-git-send-email-imre.deak@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXkgMjQsIDIwMTYgYXQgMDM6Mzg6MzJQTSArMDMwMCwgSW1yZSBEZWFrIHdyb3Rl Ogo+IElmIHRoZSBDRENMSyBQTEwgaXNuJ3QgbG9ja2VkIG9yIGluY29ycmVjdGx5IGNvbmZpZ3Vy ZWQgd2UgY2FuIGp1c3QKPiBhc3N1bWUgdGhhdCBpdCdzIG9mZiByZXN1bHRpbmcgaW4gZnVsbHkg cmUtaW5pdGlhbGl6aW5nIGJvdGggQ0RDTEsgUExMCj4gYW5kIENEQ0xLIGRpdmlkZXJzLiBUaGlz IHdheSB0aGUgQ0RDTEsgUExMIHNhbml0aXphdGlvbiBhZGRlZCBpbiB0aGUKPiBmb2xsb3dpbmcg cGF0Y2ggY2FuIGJlIGRvbmUgb24gQlhUIHRoZSBzYW1lIHdheSBhcyBpdCdzIGRvbmUgb24gU0tM Lgo+IAo+IHYyOiAoVmlsbGUpCj4gLSBSZW1vdmUgdGhlIHJlbWFpbmluZyBQTEwgc3BlY2lmaWMg Y2hlY2tzIGZyb20gc2tsX3Nhbml0aXplX2NkY2xrKCkgYW5kCj4gICBkZXBlbmQgaW5zdGVhZCBv biB0aGUgY29ycmVzcG9uZGluZyBjaGVjayBpbiBza2xfZHBsbDBfdXBkYXRlKCkuCj4gLSBVc2Ug dmNvID09IDAgaW5zdGVhZCBvZiB0aGUgY29ycmVzcG9uZGluZyBib29sZWFuIGNoZWNrIGluCj4g ICBza2xfc2FuaXRpemVfY2RjbGsoKS4KPiAKPiBDQzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5z eXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBJbXJlIERlYWsgPGltcmUu ZGVha0BpbnRlbC5jb20+CgpSZXZpZXdlZC1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4KCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2Rpc3BsYXkuYyB8IDM5ICsrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+ICAx IGZpbGUgY2hhbmdlZCwgMTYgaW5zZXJ0aW9ucygrKSwgMjMgZGVsZXRpb25zKC0pCj4gCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IGluZGV4IGMxZTY2NmIuLjQ3YjI0NjYgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gQEAgLTU0NjEsMjEgKzU0NjEs MjIgQEAgc2tsX2RwbGwwX3VwZGF0ZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYp Cj4gIAl1MzIgdmFsOwo+ICAKPiAgCWRldl9wcml2LT5jZGNsa19wbGwucmVmID0gMjQwMDA7Cj4g KwlkZXZfcHJpdi0+Y2RjbGtfcGxsLnZjbyA9IDA7Cj4gIAo+ICAJdmFsID0gSTkxNV9SRUFEKExD UExMMV9DVEwpOwo+IC0JaWYgKCh2YWwgJiBMQ1BMTF9QTExfRU5BQkxFKSA9PSAwKSB7Cj4gLQkJ ZGV2X3ByaXYtPmNkY2xrX3BsbC52Y28gPSAwOwo+ICsJaWYgKCh2YWwgJiBMQ1BMTF9QTExfRU5B QkxFKSA9PSAwKQo+ICAJCXJldHVybjsKPiAtCX0KPiAgCj4gLQlXQVJOX09OKCh2YWwgJiBMQ1BM TF9QTExfTE9DSykgPT0gMCk7Cj4gKwlpZiAoV0FSTl9PTigodmFsICYgTENQTExfUExMX0xPQ0sp ID09IDApKQo+ICsJCXJldHVybjsKPiAgCj4gIAl2YWwgPSBJOTE1X1JFQUQoRFBMTF9DVFJMMSk7 Cj4gIAo+IC0JV0FSTl9PTigodmFsICYgKERQTExfQ1RSTDFfSERNSV9NT0RFKFNLTF9EUExMMCkg fAo+IC0JCQlEUExMX0NUUkwxX1NTQyhTS0xfRFBMTDApIHwKPiAtCQkJRFBMTF9DVFJMMV9PVkVS UklERShTS0xfRFBMTDApKSkgIT0KPiAtCQlEUExMX0NUUkwxX09WRVJSSURFKFNLTF9EUExMMCkp Owo+ICsJaWYgKFdBUk5fT04oKHZhbCAmIChEUExMX0NUUkwxX0hETUlfTU9ERShTS0xfRFBMTDAp IHwKPiArCQkJICAgIERQTExfQ1RSTDFfU1NDKFNLTF9EUExMMCkgfAo+ICsJCQkgICAgRFBMTF9D VFJMMV9PVkVSUklERShTS0xfRFBMTDApKSkgIT0KPiArCQkgICAgRFBMTF9DVFJMMV9PVkVSUklE RShTS0xfRFBMTDApKSkKPiArCQlyZXR1cm47Cj4gIAo+ICAJc3dpdGNoICh2YWwgJiBEUExMX0NU UkwxX0xJTktfUkFURV9NQVNLKFNLTF9EUExMMCkpIHsKPiAgCWNhc2UgRFBMTF9DVFJMMV9MSU5L X1JBVEUoRFBMTF9DVFJMMV9MSU5LX1JBVEVfODEwLCBTS0xfRFBMTDApOgo+IEBAIC01NDkwLDcg KzU0OTEsNiBAQCBza2xfZHBsbDBfdXBkYXRlKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdikKPiAgCQlicmVhazsKPiAgCWRlZmF1bHQ6Cj4gIAkJTUlTU0lOR19DQVNFKHZhbCAmIERQ TExfQ1RSTDFfTElOS19SQVRFX01BU0soU0tMX0RQTEwwKSk7Cj4gLQkJZGV2X3ByaXYtPmNkY2xr X3BsbC52Y28gPSAwOwo+ICAJCWJyZWFrOwo+ICAJfQo+ICB9Cj4gQEAgLTU2OTAsMTkgKzU2OTAs MTIgQEAgc3RhdGljIHZvaWQgc2tsX3Nhbml0aXplX2NkY2xrKHN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdikKPiAgCWlmICgoSTkxNV9SRUFEKFNXRl9JTEsoMHgxOCkpICYgMHgwMEZG RkZGRikgPT0gMCkKPiAgCQlnb3RvIHNhbml0aXplOwo+ICAKPiArCWludGVsX3VwZGF0ZV9jZGNs ayhkZXZfcHJpdi0+ZGV2KTsKPiAgCS8qIElzIFBMTCBlbmFibGVkIGFuZCBsb2NrZWQgPyAqLwo+ IC0JaWYgKChJOTE1X1JFQUQoTENQTEwxX0NUTCkgJiAoTENQTExfUExMX0VOQUJMRSB8IExDUExM X1BMTF9MT0NLKSkgIT0KPiAtCSAgICAoTENQTExfUExMX0VOQUJMRSB8IExDUExMX1BMTF9MT0NL KSkKPiArCWlmIChkZXZfcHJpdi0+Y2RjbGtfcGxsLnZjbyA9PSAwIHx8Cj4gKwkgICAgZGV2X3By aXYtPmNkY2xrX2ZyZXEgPT0gZGV2X3ByaXYtPmNkY2xrX3BsbC5yZWYpCj4gIAkJZ290byBzYW5p dGl6ZTsKPiAgCj4gLQlpZiAoKEk5MTVfUkVBRChEUExMX0NUUkwxKSAmIChEUExMX0NUUkwxX0hE TUlfTU9ERShTS0xfRFBMTDApIHwKPiAtCQkJCSAgICAgIERQTExfQ1RSTDFfU1NDKFNLTF9EUExM MCkgfAo+IC0JCQkJICAgICAgRFBMTF9DVFJMMV9PVkVSUklERShTS0xfRFBMTDApKSkgIT0KPiAt CSAgICBEUExMX0NUUkwxX09WRVJSSURFKFNLTF9EUExMMCkpCj4gLQkJZ290byBzYW5pdGl6ZTsK PiAtCj4gLQlpbnRlbF91cGRhdGVfY2RjbGsoZGV2X3ByaXYtPmRldik7Cj4gLQo+ICAJLyogRFBM TCBva2F5OyB2ZXJpZnkgdGhlIGNkY2xvY2sKPiAgCSAqCj4gIAkgKiBOb3RpY2VkIGluIHNvbWUg aW5zdGFuY2VzIHRoYXQgdGhlIGZyZXEgc2VsZWN0aW9uIGlzIGNvcnJlY3QgYnV0Cj4gQEAgLTY2 MDgsMTQgKzY2MDEsMTQgQEAgc3RhdGljIHZvaWQgYnh0X2RlX3BsbF91cGRhdGUoc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQo+ICAJdTMyIHZhbDsKPiAgCj4gIAlkZXZfcHJpdi0+ Y2RjbGtfcGxsLnJlZiA9IDE5MjAwOwo+ICsJZGV2X3ByaXYtPmNkY2xrX3BsbC52Y28gPSAwOwo+ ICAKPiAgCXZhbCA9IEk5MTVfUkVBRChCWFRfREVfUExMX0VOQUJMRSk7Cj4gLQlpZiAoKHZhbCAm IEJYVF9ERV9QTExfUExMX0VOQUJMRSkgPT0gMCkgewo+IC0JCWRldl9wcml2LT5jZGNsa19wbGwu dmNvID0gMDsKPiArCWlmICgodmFsICYgQlhUX0RFX1BMTF9QTExfRU5BQkxFKSA9PSAwKQo+ICAJ CXJldHVybjsKPiAtCX0KPiAgCj4gLQlXQVJOX09OKCh2YWwgJiBCWFRfREVfUExMX0xPQ0spID09 IDApOwo+ICsJaWYgKFdBUk5fT04oKHZhbCAmIEJYVF9ERV9QTExfTE9DSykgPT0gMCkpCj4gKwkJ cmV0dXJuOwo+ICAKPiAgCXZhbCA9IEk5MTVfUkVBRChCWFRfREVfUExMX0NUTCk7Cj4gIAlkZXZf cHJpdi0+Y2RjbGtfcGxsLnZjbyA9ICh2YWwgJiBCWFRfREVfUExMX1JBVElPX01BU0spICoKPiAt LSAKPiAyLjUuMAoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRlbCBPVEMKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==