From mboxrd@z Thu Jan 1 00:00:00 1970 From: Damien Lespiau Subject: Re: [PATCH 4/4] drm/i915/skl: Read out crtl1 for eDP/DPLL0 Date: Sat, 15 Nov 2014 10:54:47 +0000 Message-ID: <20141115105447.GA14746@strange.ger.corp.intel.com> References: <1415985875-7485-5-git-send-email-damien.lespiau@intel.com> <84c8a8$i41s53@orsmga001.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 2AD076EE95 for ; Sat, 15 Nov 2014 02:54:50 -0800 (PST) Content-Disposition: inline In-Reply-To: <84c8a8$i41s53@orsmga001.jf.intel.com> 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 Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SGkgU2h1YW5nLAoKWW91IHdhbnRlZCBzdWdnZXN0aW9ucywgc28gaG93IGFib3V0OgoKRm9yIGJv dGggZXhhbXBsZXMsIHRvIGRldGVybWluZSB0aGUgc2l6ZSBvZiB0aGUgY29sdW1uLCBJJ2QgdGFr ZSB0aGUKbGVuZ3RoIG9mIHRoZSBsb25nZXN0IHZhbHVlIG9mIHRoYXQgY29sdW1uIChpbmNsdWRp bmcgdGhlIHRpdGxlKSBhbmQgYWRkCjQgdG8gYWNjb3VudCBmb3Igc3BhY2luZy4gTGVmdCBhbGln bm1lbnQgZm9yIHRleHQsIHJpZ2h0IGFsaWduZW1lbnQgZm9yCm51bWJlcnMgKG9mIGNvdXJzZSwg YWxsIG9mIHRoYXQgaXMgZGViYXRhYmxlKS4KCk9uIEZyaSwgTm92IDE0LCAyMDE0IGF0IDA5OjI4 OjAzUE0gLTA4MDAsIHNodWFuZy5oZUBpbnRlbC5jb20gd3JvdGU6Cj4gVGVzdGVkLUJ5OiBQUkMg UUEgUFJUUyAoUGF0Y2ggUmVncmVzc2lvbiBUZXN0IFN5c3RlbSBDb250YWN0OiBzaHVhbmcuaGVA aW50ZWwuY29tKQo+IC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS1TdW1tYXJ5 LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+IFBsYXRmb3JtOiBiYXNlbGlu ZV9kcm1faW50ZWxfbmlnaHRseV9wYXNzX3JhdGUtPnBhdGNoX2FwcGxpZWRfcGFzc19yYXRlCj4g QllUOiBwYXNzL3RvdGFsPTI5MC8yOTEtPjI5MC8yOTEKPiBQTlY6IHBhc3MvdG90YWw9MzUyLzM1 Ni0+MzU2LzM1Ngo+IElMSzogcGFzcy90b3RhbD0zNzEvMzcyLT4zNjQvMzcyCj4gSVZCOiBwYXNz L3RvdGFsPTU0NS81NDYtPjU0NS81NDYKPiBTTkI6IHBhc3MvdG90YWw9NDI0LzQyNS0+NDI0LzQy NQo+IEhTVzogcGFzcy90b3RhbD01NzkvNTc5LT41NzkvNTc5Cj4gQkRXOiBwYXNzL3RvdGFsPTQz NC80MzUtPjQzNC80MzUKCkZvciB0aGlzIG9uZToKCiAgLSBhIGJpdCBtb3JlIHNwYWNpbmcKICAt IHNvbWUgdGFibGUtbGlrZSBhbGlnbm1lbnQuIFRoYXQncyBhc3N1bWluZyB0aGUgbWFpbCBjbGll bnQgd2lsbCB1c2UKICAgIG1vbm9zcGFjZWQgZm9udHMgZm9yIHRleHQgZW1haWxzLCBpdCByZWFs bHkgc2hvdWxkLgogIC0gYWRkIHRoZSBkZWx0YSBzbyBpdCdzIGVhc2llciB0byBwYXJzZSB0aGUg aW50ZXJlc3RpbmcgaW5mb3JtYXRpb24KICAtIHNvcnQgYnkgZ2VucwogIC0gYmFzZWxpbmVfZHJt X2ludGVsX25pZ2h0bHlfcGFzc19yYXRlIGNhbiByZWFsbHkganVzdCBiZQogICAgZHJtLWludGVs LW5pZ2h0bHkKICAtIGl0J3Mgbm90IGp1c3QgYSBzaW5nbGUgcGF0Y2ggYXBwbGllZCwgc28gc2Vy aWVzIGFwcGxpZWQ/CgpQbGF0Zm9ybSAgICBEZWx0YSAgICBkcm0taW50ZWwtbmlnaHRseSAgICBT ZXJpZXMgQXBwbGllZAotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLQpQTlYgICAgICAgICAgICArNCAgICAgICAgICAgICAgMzUyLzM1NiAgICAg ICAgICAgMzU2LzM1NgpJTEsgICAgICAgICAgICAtNyAgICAgICAgICAgICAgMzcxLzM3MiAgICAg ICAgICAgMzY0LzM3MgpTTkIgICAgICAgICAgICAgMCAgICAgICAgICAgICAgNDI0LzQyNSAgICAg ICAgICAgNDI0LzQyNQpJVkIgICAgICAgICAgICAgMCAgICAgICAgICAgICAgNTQ1LzU0NiAgICAg ICAgICAgNTQ1LzU0NgpCWVQgICAgICAgICAgICAgMCAgICAgICAgICAgICAgMjkwLzI5MSAgICAg ICAgICAgMjkwLzI5MQpIU1cgICAgICAgICAgICAgMCAgICAgICAgICAgICAgNTc5LzU3OSAgICAg ICAgICAgNTc5LzU3OQpCRFcgICAgICAgICAgICAgMCAgICAgICAgICAgICAgNDM0LzQzNSAgICAg ICAgICAgNDM0LzQzNQoKCj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLURl dGFpbGVkLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+IHRlc3RfcGxhdGZv cm06IHRlc3Rfc3VpdGUsIHRlc3RfY2FzZSwgcmVzdWx0X3dpdGhfZHJtX2ludGVsX25pZ2h0bHko Y291bnQsIG1hY2hpbmVfaWQuLi4pLi4uLT5yZXN1bHRfd2l0aF9wYXRjaF9hcHBsaWVkKGNvdW50 LCBtYWNoaW5lX2lkKS4uLgo+IFBOVjogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VuM19taXhlZF9i bGl0cywgRE1FU0dfV0FSTigxLCBNMjMpIC0+IFBBU1MoNCwgTTcpCj4gUE5WOiBJbnRlbF9ncHVf dG9vbHMsIGlndF9nZW4zX3JlbmRlcl9taXhlZF9ibGl0cywgQ1JBU0goMSwgTTIzKSAtPiBQQVNT KDEsIE03KQo+IFBOVjogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VuM19yZW5kZXJfdGlsZWR4X2Js aXRzLCBDUkFTSCgxLCBNMjMpIC0+IFBBU1MoMSwgTTcpCj4gUE5WOiBJbnRlbF9ncHVfdG9vbHMs IGlndF9nZW4zX3JlbmRlcl90aWxlZHlfYmxpdHMsIENSQVNIKDEsIE0yMykgLT4gUEFTUygxLCBN NykKPiBJTEs6IEludGVsX2dwdV90b29scywgaWd0X2ttc19mbGlwX2ZsaXAtdnMtYWJzb2x1dGUt d2ZfdmJsYW5rLCBETUVTR19XQVJOKDEsIE0yNilQQVNTKDMsIE0zN00yNikgLT4gRE1FU0dfV0FS TigyLCBNMjYpUEFTUygyLCBNMjYpCj4gSUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfZmxp cF9mbGlwLXZzLWFic29sdXRlLXdmX3ZibGFuay1pbnRlcnJ1cHRpYmxlLCBETUVTR19XQVJOKDEs IE0yNilQQVNTKDMsIE0zN00yNikgLT4gRE1FU0dfV0FSTigxLCBNMjYpUEFTUygzLCBNMjYpCj4g SUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfZmxpcF9mbGlwLXZzLW1vZGVzZXQtdnMtaGFu Zy1pbnRlcnJ1cHRpYmxlLCBQQVNTKDQsIE0zN00yNikgLT4gTlNQVCgxLCBNMjYpUEFTUygzLCBN MjYpCj4gSUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfZmxpcF9mbGlwLXZzLXdmX3ZibGFu ay1pbnRlcnJ1cHRpYmxlLCBETUVTR19XQVJOKDEsIE0yNilQQVNTKDMsIE0zN00yNikgLT4gRE1F U0dfV0FSTigxLCBNMjYpUEFTUygzLCBNMjYpCj4gSUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9r bXNfZmxpcF9wbGFpbi1mbGlwLCBQQVNTKDQsIE0zN00yNikgLT4gRE1FU0dfV0FSTigyLCBNMjYp UEFTUygyLCBNMjYpCj4gSUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfZmxpcF9wbGFpbi1m bGlwLWludGVycnVwdGlibGUsIFBBU1MoNCwgTTM3TTI2KSAtPiBETUVTR19XQVJOKDIsIE0yNilQ QVNTKDIsIE0yNikKPiBJTEs6IEludGVsX2dwdV90b29scywgaWd0X2ttc19mbGlwX3Jjcy1mbGlw LXZzLW1vZGVzZXQtaW50ZXJydXB0aWJsZSwgUEFTUyg0LCBNMzdNMjYpIC0+IERNRVNHX1dBUk4o MSwgTTI2KVBBU1MoMywgTTI2KQoKQW5kIGZvciB0aGlzIG9uZToKCiAgLSBpdCdzIG5vdCBuZXNz YXJ5IHRvIHJlcGVhdCB0aGUgdGVzdCBzdWl0ZSBuYW1lIGZvciBldmVyeSBzaW5nbGUgcm93LAog ICAgaWYgbmVlZGVkIGF0IGFsbCAoSSBkb24ndCB0aGluayBpdCBpcyB3aGVuIHJlcGx5aW5nIHRv IGtlcm5lbAogICAgcGF0Y2hlcyksIGl0IGNhbiBiZSBwdXQgYmVmb3JlaGFuZC4KICAtIHNvcnRl ZCBieSBnZW4KICAtIFRoZSBtYWNoaW5lIGlkIGlzbid0IHVzZWZ1bCBpbiB0aGlzIHJlcG9ydAog IC0gSXQnZCBiZSBuaWNlIHRvIGFkZCBhIHNvbWUgZXhwbGFuYXRpb25zIG9uIGhvdyB0byBkZWNp cGhlciB0aGUKICAgIHJlc3VsdCBjb2x1bW4gKHdoYXQgaXMgdGhlIGNvdW50LCB3aGF0IHRoZSB2 YXJpb3VzIHN0YXRlcyBtZWFuKS4KICAgIE1heWJlIGFmdGVyIHRoZSB0YWJsZSBhcyBpdCBvbmx5 IG5lZWRzIHRvIGJlIHJlYWQgYSBmZXcgdGltZXMgdG8gZ2V0CiAgICBpdC4KClBsYXRmb3JtICAg IFRlc3QgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IGRybS1pbnRlbC1uaWdodGx5ICAgICAgICBTZXJpZXMgQXBwbGllZAotLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCklMSyAgICAgICAgIGln dF9rbXNfZmxpcF9mbGlwLXZzLWFic29sdXRlLXdmX3ZibGFuayAgICAgICAgICAgICAgICAgIERN RVNHX1dBUk4oMSkgUEFTUygzKSAgICBETUVTR19XQVJOKDIpIFBBU1MoMikKSUxLICAgICAgICAg aWd0X2ttc19mbGlwX2ZsaXAtdnMtYWJzb2x1dGUtd2ZfdmJsYW5rLWludGVycnVwdGlibGUgICAg RE1FU0dfV0FSTigxKSBQQVNTKDMpICAgIERNRVNHX1dBUk4oMSkgUEFTUygzKQouLgoKSFRILAoK LS0gCkRhbWllbgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=