From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: Re: [PATCH 07/21] drm/i915: Allow enable/disable of DPLL0 around cdclk changes on SKL Date: Thu, 19 May 2016 16:04:40 +0300 Message-ID: <1463663080.12342.24.camel@intel.com> References: <1463172100-24715-1-git-send-email-ville.syrjala@linux.intel.com> <1463172100-24715-8-git-send-email-ville.syrjala@linux.intel.com> Reply-To: imre.deak@intel.com 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 97DE26E115 for ; Thu, 19 May 2016 13:04:42 +0000 (UTC) In-Reply-To: <1463172100-24715-8-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gcGUsIDIwMTYtMDUtMTMgYXQgMjM6NDEgKzAzMDAsIHZpbGxlLnN5cmphbGFAbGludXguaW50 ZWwuY29tIHdyb3RlOgo+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51 eC5pbnRlbC5jb20+Cj4gCj4gSW4gY2FzZSB3ZSBvcmlnaW5hbGx5IGd1ZXNzZWQgd3Jvbmcgd2hp Y2ggbGNwbGwgdmNvIGZyZXF1ZW5jeSB0byB1c2UsCj4gd2Ugd2lsbCBuZWVkIHRvIHNodXQgZG93 biB0aGUgcGxsIGFuZCByZXN0YXJ0IGl0IHdoZW4gcmVwcm9nYW1taW5nIHRoZQo+IGNkY2xrLgo+ IAo+IFRoaXMgYWxzbyBhbGxvd3MgdXMgdG8gdHJhY2sgdGhlIGFjdHVhbCB2Y28gZnJlcXVlbmN5 IGluIGRldl9wcml2Cj4gaW5zdGVhZCBvZiBqdXN0IGEgZ3Vlc3MuCj4gCj4gU2lnbmVkLW9mZi1i eTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiAtLS0K PiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDU0ICsrKysrKysrKysr KysrKysrKystLS0tLS0tLS0tLS0tLS0tLQo+IMKgMSBmaWxlIGNoYW5nZWQsIDI5IGluc2VydGlv bnMoKyksIDI1IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5 LmMKPiBpbmRleCA5NTk5N2VlZDlkZDYuLmNkMjgwOTE3OTA0MiAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMKPiBAQCAtNTYyNiw2ICs1NjI2LDggQEAgc2tsX2RwbGwwX2Vu YWJsZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsIGludCB2Y28pCj4gwqAKPiDC oAlpZiAod2FpdF9mb3IoSTkxNV9SRUFEKExDUExMMV9DVEwpICYgTENQTExfUExMX0xPQ0ssIDUp KQo+IMKgCQlEUk1fRVJST1IoIkRQTEwwIG5vdCBsb2NrZWRcbiIpOwo+ICsKPiArCWRldl9wcml2 LT5za2xfdmNvX2ZyZXEgPSB2Y287Cj4gwqB9Cj4gwqAKPiDCoHN0YXRpYyB2b2lkCj4gQEAgLTU2 MzQsNiArNTYzNiw4IEBAIHNrbF9kcGxsMF9kaXNhYmxlKHN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICpkZXZfcHJpdikKPiDCoAlJOTE1X1dSSVRFKExDUExMMV9DVEwsIEk5MTVfUkVBRChMQ1BMTDFf Q1RMKSAmIH5MQ1BMTF9QTExfRU5BQkxFKTsKPiDCoAlpZiAod2FpdF9mb3IoIShJOTE1X1JFQUQo TENQTEwxX0NUTCkgJiBMQ1BMTF9QTExfTE9DSyksIDEpKQo+IMKgCQlEUk1fRVJST1IoIkNvdWxk bid0IGRpc2FibGUgRFBMTDBcbiIpOwo+ICsKPiArCWRldl9wcml2LT5za2xfdmNvX2ZyZXEgPSAw Owo+IMKgfQo+IMKgCj4gwqBzdGF0aWMgYm9vbCBza2xfY2RjbGtfcGN1X3JlYWR5KHN0cnVjdCBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiBAQCAtNTY2MywxMiArNTY2NywxNCBAQCBzdGF0 aWMgYm9vbCBza2xfY2RjbGtfd2FpdF9mb3JfcGN1X3JlYWR5KHN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdikKPiDCoAlyZXR1cm4gZmFsc2U7Cj4gwqB9Cj4gwqAKPiAtc3RhdGljIHZv aWQgc2tsX3NldF9jZGNsayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsIGludCBj ZGNsaykKPiArc3RhdGljIHZvaWQgc2tsX3NldF9jZGNsayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYsIGludCBjZGNsaywgaW50IHZjbykKPiDCoHsKPiDCoAlzdHJ1Y3QgZHJtX2Rl dmljZSAqZGV2ID0gZGV2X3ByaXYtPmRldjsKPiDCoAl1MzIgZnJlcV9zZWxlY3QsIHBjdV9hY2s7 Cj4gwqAKPiAtCURSTV9ERUJVR19EUklWRVIoIkNoYW5naW5nIENEQ0xLIHRvICVkS0h6XG4iLCBj ZGNsayk7Cj4gKwlXQVJOX09OKChjZGNsayA9PSAyNDAwMCkgIT0gKHZjbyA9PSAwKSk7Cj4gKwo+ ICsJRFJNX0RFQlVHX0RSSVZFUigiQ2hhbmdpbmcgQ0RDTEsgdG8gJWQga0h6IChWQ08gJWQgTUh6 KVxuIiwgY2RjbGssIHZjbyk7Cj4gwqAKPiDCoAlpZiAoIXNrbF9jZGNsa193YWl0X2Zvcl9wY3Vf cmVhZHkoZGV2X3ByaXYpKSB7Cj4gwqAJCURSTV9FUlJPUigiZmFpbGVkIHRvIGluZm9ybSBQQ1Ug YWJvdXQgY2RjbGsgY2hhbmdlXG4iKTsKPiBAQCAtNTY5OSw2ICs1NzA1LDEzIEBAIHN0YXRpYyB2 b2lkIHNrbF9zZXRfY2RjbGsoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LCBpbnQg Y2RjbGspCj4gwqAJCWJyZWFrOwo+IMKgCX0KPiDCoAo+ICsJaWYgKGRldl9wcml2LT5za2xfdmNv X2ZyZXEgIT0gMCAmJgo+ICsJwqDCoMKgwqBkZXZfcHJpdi0+c2tsX3Zjb19mcmVxICE9IHZjbykK PiArCQlza2xfZHBsbDBfZGlzYWJsZShkZXZfcHJpdik7Cj4gKwo+ICsJaWYgKGRldl9wcml2LT5z a2xfdmNvX2ZyZXEgIT0gdmNvKQo+ICsJCXNrbF9kcGxsMF9lbmFibGUoZGV2X3ByaXYsIHZjbyk7 Cj4gKwo+IMKgCUk5MTVfV1JJVEUoQ0RDTEtfQ1RMLCBmcmVxX3NlbGVjdCB8IHNrbF9jZGNsa19k ZWNpbWFsKGNkY2xrKSk7Cj4gwqAJUE9TVElOR19SRUFEKENEQ0xLX0NUTCk7Cj4gwqAKPiBAQCAt NTcyMSwyNiArNTczNCwyMSBAQCB2b2lkIHNrbF91bmluaXRfY2RjbGsoc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUgKmRldl9wcml2KQo+IMKgCWlmIChJOTE1X1JFQUQoREJVRl9DVEwpICYgREJVRl9Q T1dFUl9TVEFURSkKPiDCoAkJRFJNX0VSUk9SKCJEQnVmIHBvd2VyIGRpc2FibGUgdGltZW91dFxu Iik7Cj4gwqAKPiAtCXNrbF9kcGxsMF9kaXNhYmxlKGRldl9wcml2KTsKPiArCXNrbF9zZXRfY2Rj bGsoZGV2X3ByaXYsIDI0MDAwLCAwKTsKClRoZSBzcGVjIGRvZXNuJ3Qgc2F5IGhvdyB0byBwcm9n cmFtIENEQ0xLIGZvciB0aGUgYnlwYXNzIGNhc2UgYW5kIHdlJ2xsCnByb2dyYW0gdGhlICdmcmVx dWVuY3kgZGVjaW1hbCcgZmllbGQgdG8gc29tZXRoaW5nIGlzbid0IGxpc3RlZCBhcyBhCnZhbGlk IHZhbHVlIChhbmQgbm90IG1hdGNoaW5nIHRoZSBDRCBmcmVxdWVuY3kgc2VsZWN0IHZhbHVlKS4g QnV0IEkKdGhpbmsgQ0RDTEsgaXMgZG9uJ3QtY2FyZSBpbiB0aGF0IGNhc2UsIHNvIGl0J3MgZmlu ZS4KCj4gwqB9Cj4gwqAKPiDCoHZvaWQgc2tsX2luaXRfY2RjbGsoc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2KQo+IMKgewo+IC0JdW5zaWduZWQgaW50IGNkY2xrOwo+IC0KPiDCoAkv KiBEUExMMCBub3QgZW5hYmxlZCAoaGFwcGVucyBvbiBlYXJseSBCSU9TIHZlcnNpb25zKSAqLwo+ IC0JaWYgKCEoSTkxNV9SRUFEKExDUExMMV9DVEwpICYgTENQTExfUExMX0VOQUJMRSkpIHsKPiAt CQkvKiBlbmFibGUgRFBMTDAgKi8KPiAtCQlpZiAoZGV2X3ByaXYtPnNrbF92Y29fZnJlcSAhPSA4 NjQwKQo+IC0JCQlkZXZfcHJpdi0+c2tsX3Zjb19mcmVxID0gODEwMDsKPiAtCQlza2xfZHBsbDBf ZW5hYmxlKGRldl9wcml2LCBkZXZfcHJpdi0+c2tsX3Zjb19mcmVxKTsKPiAtCQljZGNsayA9IHNr bF9jYWxjX2NkY2xrKDAsIGRldl9wcml2LT5za2xfdmNvX2ZyZXEpOwo+IC0JfSBlbHNlIHsKPiAt CQljZGNsayA9IGRldl9wcml2LT5jZGNsa19mcmVxOwo+IC0JfQo+ICsJaWYgKGRldl9wcml2LT5z a2xfdmNvX2ZyZXEgPT0gMCkgewo+ICsJCWludCBjZGNsaywgdmNvOwo+IMKgCj4gLQkvKiBzZXQg Q0RDTEsgdG8gdGhlIGxvd2VzdCBmcmVxdWVuY3ksIE1vZGVzZXQgZm9sbG93cyAqLwo+IC0Jc2ts X3NldF9jZGNsayhkZXZfcHJpdiwgY2RjbGspOwo+ICsJCS8qIHNldCBDRENMSyB0byB0aGUgbG93 ZXN0IGZyZXF1ZW5jeSwgTW9kZXNldCBmb2xsb3dzICovCj4gKwkJdmNvID0gODEwMDsKPiArCQlj ZGNsayA9IHNrbF9jYWxjX2NkY2xrKDAsIHZjbyk7Cj4gKwo+ICsJCXNrbF9zZXRfY2RjbGsoZGV2 X3ByaXYsIGNkY2xrLCB2Y28pOwo+ICsJfQo+IMKgCj4gwqAJLyogZW5hYmxlIERCVUYgcG93ZXIg Ki8KPiDCoAlJOTE1X1dSSVRFKERCVUZfQ1RMLCBJOTE1X1JFQUQoREJVRl9DVEwpIHwgREJVRl9Q T1dFUl9SRVFVRVNUKTsKPiBAQCAtOTc3NywxNiArOTc4NSwxMiBAQCBzdGF0aWMgaW50IHNrbF9t b2Rlc2V0X2NhbGNfY2RjbGsoc3RydWN0IGRybV9hdG9taWNfc3RhdGUgKnN0YXRlKQo+IMKgCj4g wqBzdGF0aWMgdm9pZCBza2xfbW9kZXNldF9jb21taXRfY2RjbGsoc3RydWN0IGRybV9hdG9taWNf c3RhdGUgKm9sZF9zdGF0ZSkKCldoeSBpcyB0aGUgYWJvdmUgY2FsbGVkIG9sZF9zdGF0ZT8KClRo ZSBwYXRjaCBsb29rcyBvazoKUmV2aWV3ZWQtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVs LmNvbT4KCj4gwqB7Cj4gLQlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gb2xkX3N0YXRlLT5kZXY7 Cj4gLQlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBkZXYtPmRldl9wcml2YXRl Owo+IC0JdW5zaWduZWQgaW50IHJlcV9jZGNsayA9IHRvX2ludGVsX2F0b21pY19zdGF0ZShvbGRf c3RhdGUpLT5kZXZfY2RjbGs7Cj4gLQo+IC0JLyoKPiAtCcKgKiBGSVhNRSBkaXNhYmxlL2VuYWJs ZSBQTEwgc2hvdWxkIHdyYXAgc2V0X2NkY2xrKCkKPiAtCcKgKi8KPiAtCXNrbF9zZXRfY2RjbGso ZGV2X3ByaXYsIHJlcV9jZGNsayk7Cj4gKwlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYgPSB0b19pOTE1KG9sZF9zdGF0ZS0+ZGV2KTsKPiArCXN0cnVjdCBpbnRlbF9hdG9taWNfc3Rh dGUgKmludGVsX3N0YXRlID0gdG9faW50ZWxfYXRvbWljX3N0YXRlKG9sZF9zdGF0ZSk7Cj4gKwl1 bnNpZ25lZCBpbnQgcmVxX2NkY2xrID0gaW50ZWxfc3RhdGUtPmRldl9jZGNsazsKPiArCXVuc2ln bmVkIGludCByZXFfdmNvID0gaW50ZWxfc3RhdGUtPmNkY2xrX3BsbF92Y287Cj4gwqAKPiAtCWRl dl9wcml2LT5za2xfdmNvX2ZyZXEgPSB0b19pbnRlbF9hdG9taWNfc3RhdGUob2xkX3N0YXRlKS0+ Y2RjbGtfcGxsX3ZjbzsKPiArCXNrbF9zZXRfY2RjbGsoZGV2X3ByaXYsIHJlcV9jZGNsaywgcmVx X3Zjbyk7Cj4gwqB9Cj4gwqAKPiDCoHN0YXRpYyBpbnQgaGFzd2VsbF9jcnRjX2NvbXB1dGVfY2xv Y2soc3RydWN0IGludGVsX2NydGMgKmNydGMsCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=