From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 4/8] drm/i915: Enable voltage swing before enabling DDI_BUF_CTL. Date: Wed, 30 Aug 2017 17:17:22 +0300 Message-ID: <20170830141722.GF4914@intel.com> References: <20170829232230.23051-1-rodrigo.vivi@intel.com> <20170829232230.23051-4-rodrigo.vivi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id EE84A6E5E9 for ; Wed, 30 Aug 2017 14:17:28 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170829232230.23051-4-rodrigo.vivi@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Rodrigo Vivi Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBBdWcgMjksIDIwMTcgYXQgMDQ6MjI6MjZQTSAtMDcwMCwgUm9kcmlnbyBWaXZpIHdy b3RlOgo+IFNlcXVlbmNlcyBmb3IgRGlzcGxheVBvcnQgYXNrcyB1cyB0bwo+ICIgQ29uZmlndXJl IHZvbHRhZ2Ugc3dpbmcgYW5kIHJlbGF0ZWQgSU8gc2V0dGluZ3MuCj4gUmVmZXIgdG8gRERJIEJ1 ZmZlciBzZWN0aW9uLiIKPiAKPiBiZWZvcmUgIkNvbmZpZ3VyZSBhbmQgZW5hYmxlIERESV9CVUZf Q1RMIgo+IAo+IE9uIEJYVCBhbmQgQ05MIHRoaXMgbWVhbnMgdG8gZXhlY3V0ZSB0aGUgZGRpIHZz d2luZyBzZXF1ZW5jZXMuCj4gCj4gQXQgdGhpcyBwb2ludCB0aGVzZSBzZXF1ZW5jZXMgY2FsbHMg YXJlIGdldHRpbmcgZHVwbGljYXRlZCBmb3IgRFAKPiBiZWNhdXNlIHRoZXkgYXJlIGFsbCBjYWxs ZWQgZnJvbSBEUCBsaW5rIHRyYWlubmluZyBzZXF1ZW5jZXMuCj4gCj4gSG93ZXZlciB0aGlzIHBh dGNoIGlzIG5vdCB5ZXQgcmVtb3ZpbmcgaXQgYmVmb3JlIGEgZnV0aGVyIGRpc2N1c3Npb24KPiBz aW5jZSBzcGVjIGFsc28gYWxsb3dzIHRoYXQgZHVyaW5nIGxpbmsgdHJhaW5pbmcgd2l0aG91dCBk aXNhYmxpbmcKPiBhbnl0aGluZzoKPiAKPiAiCj4gTm90ZXMKPiBDaGFuZ2luZyB2b2x0YWdlIHN3 aW5nIGR1cmluZyBsaW5rIHRyYWluaW5nOgo+IENoYW5nZSB0aGUgc3dpbmcgc2V0dGluZyBmb2xs b3dpbmcgdGhlIERESSBCdWZmZXIgc2VjdGlvbi4KPiBUaGUgcG9ydCBkb2VzIG5vdCBuZWVkIHRv IGJlIGRpc2FibGVkLgo+ICIKPiAKPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxh QGxpbnV4LmludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28u dml2aUBpbnRlbC5jb20+CgpJbXJlIGlzIG91dCBhdG0gc28gd2UgZGlkbid0IGdldCBoaXMgb3Bp bmlvbiwgYnV0IEknbSBmaW5lIHdpdGggdGhpcyBzbwpSZXZpZXdlZC1ieTogVmlsbGUgU3lyasOk bMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCj4gLS0tCj4gIGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2RkaS5jIHwgNyArKysrKystCj4gIDEgZmlsZSBjaGFuZ2VkLCA2IGlu c2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGRpLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwo+ IGluZGV4IGVlZGQyOTQ4N2UwYi4uNTA2NzgyYzFhNjJhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RkaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZGRpLmMKPiBAQCAtMjEzNiw2ICsyMTM2LDcgQEAgc3RhdGljIHZvaWQgaW50ZWxfZGRpX3By ZV9lbmFibGVfZHAoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIsCj4gIAlzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGVuY29kZXItPmJhc2UuZGV2KTsKPiAg CWVudW0gcG9ydCBwb3J0ID0gaW50ZWxfZGRpX2dldF9lbmNvZGVyX3BvcnQoZW5jb2Rlcik7Cj4g IAlzdHJ1Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICpkaWdfcG9ydCA9IGVuY190b19kaWdfcG9ydCgm ZW5jb2Rlci0+YmFzZSk7Cj4gKwl1aW50MzJfdCBsZXZlbCA9IGludGVsX2RkaV9kcF9sZXZlbChp bnRlbF9kcCk7Cj4gIAo+ICAJV0FSTl9PTihsaW5rX21zdCAmJiAocG9ydCA9PSBQT1JUX0EgfHwg cG9ydCA9PSBQT1JUX0UpKTsKPiAgCj4gQEAgLTIxNDgsNyArMjE0OSwxMSBAQCBzdGF0aWMgdm9p ZCBpbnRlbF9kZGlfcHJlX2VuYWJsZV9kcChzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwK PiAgCj4gIAlpbnRlbF9kaXNwbGF5X3Bvd2VyX2dldChkZXZfcHJpdiwgZGlnX3BvcnQtPmRkaV9p b19wb3dlcl9kb21haW4pOwo+ICAKPiAtCWlmICghSVNfR0VOOV9MUChkZXZfcHJpdikgJiYgIUlT X0NBTk5PTkxBS0UoZGV2X3ByaXYpKQo+ICsJaWYgKElTX0NBTk5PTkxBS0UoZGV2X3ByaXYpKQo+ ICsJCWNubF9kZGlfdnN3aW5nX3NlcXVlbmNlKGVuY29kZXIsIGxldmVsKTsKPiArCWVsc2UgaWYg KElTX0dFTjlfTFAoZGV2X3ByaXYpKQo+ICsJCWJ4dF9kZGlfdnN3aW5nX3NlcXVlbmNlKGRldl9w cml2LCBsZXZlbCwgcG9ydCwgZW5jb2Rlci0+dHlwZSk7Cj4gKwllbHNlCj4gIAkJaW50ZWxfcHJl cGFyZV9kcF9kZGlfYnVmZmVycyhlbmNvZGVyKTsKPiAgCj4gIAlpbnRlbF9kZGlfaW5pdF9kcF9i dWZfcmVnKGVuY29kZXIpOwo+IC0tIAo+IDIuMTMuMgoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRl bCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==