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05 Apr 2018 15:54:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,412,1517904000"; d="scan'208";a="218036321" Received: from orsmsx108.amr.corp.intel.com ([10.22.240.6]) by fmsmga005.fm.intel.com with ESMTP; 05 Apr 2018 15:54:43 -0700 Received: from orsmsx112.amr.corp.intel.com (10.22.240.13) by ORSMSX108.amr.corp.intel.com (10.22.240.6) with Microsoft SMTP Server (TLS) id 14.3.319.2; Thu, 5 Apr 2018 15:54:42 -0700 Received: from orsmsx108.amr.corp.intel.com ([169.254.2.241]) by ORSMSX112.amr.corp.intel.com ([169.254.3.146]) with mapi id 14.03.0319.002; Thu, 5 Apr 2018 15:54:42 -0700 From: "Pandiyan, Dhinakaran" To: "lyude@redhat.com" CC: "dri-devel@lists.freedesktop.org" , "intel-gfx@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "Vivi, Rodrigo" , "stable@vger.kernel.org" , "airlied@linux.ie" , "labbott@redhat.com" Subject: Re: [Intel-gfx] [PATCH v3] drm/i915/dp: Send DPCD ON for MST before phy_up Thread-Topic: [Intel-gfx] [PATCH v3] drm/i915/dp: Send DPCD ON for MST before phy_up Thread-Index: AQHTzSPzf9pEco9CVEKJR/nOt9S1saPzRAMA Date: Thu, 5 Apr 2018 22:54:41 +0000 Message-ID: <1522970338.2418.50.camel@dk-H97M-D3H> References: <20180405203601.23242-1-lyude@redhat.com> <20180405211930.1209-1-lyude@redhat.com> In-Reply-To: <20180405211930.1209-1-lyude@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.54.75.17] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCg0KT24gVGh1LCAyMDE4LTA0LTA1IGF0IDE3OjE5IC0wNDAwLCBMeXVkZSBQYXVsIHdyb3Rl Og0KPiBXaGVuIGRvaW5nIGEgbW9kZXNldCB3aGVyZSB0aGUgc2luayBpcyB0cmFuc2l0aW9uaW5n IGZyb20gRDMgdG8gRDAgLCBpdA0KPiB3b3VsZCBzb21ldGltZXMgYmUgcG9zc2libGUgZm9yIHRo ZSBpbml0aWFsIHBvd2VyX3VwX3BoeSgpIHRvIHN0YXJ0DQo+IHRpbWluZyBvdXQuIFRoaXMgd291 bGQgb25seSBiZSBvYnNlcnZlZCBpbiB0aGUgbGFzdCBhY3Rpb24gYmVmb3JlIHRoZQ0KPiBzaW5r IHdlbnQgaW50byBEMyBtb2RlIHdhcyBpbnRlbF9kcF9zaW5rX2RwbXMoRFJNX01PREVfRFBNU19P RkYpLiBXZQ0KPiBvcmlnaW5hbGx5IHRob3VnaHQgdGhpcyBtaWdodCBiZSBhbiBpc3N1ZSB3aXRo IHVzIGFjY2lkZW50YWxseSBzaHV0dGluZw0KPiBvZmYgdGhlIGF1eCBibG9jayB3aGVuIHB1dHRp bmcgdGhlIHNpbmsgaW50byBEMywgYnV0IHNpbmNlIHRoZSBEUCBzcGVjDQo+IG1hbmRhdGVzIHRo YXQgc2lua3MgbXVzdCB3YWtlIHVwIHdpdGhpbiAxbXMgd2hpbGUgd2UgaGF2ZSAxMDBtcyB0bw0K PiByZXNwb25kIHRvIGFuIEVTSSBpcnEsIHRoaXMgZGlkbid0IHJlYWxseSBhZGQgdXAuIFR1cm5z IG91dCB0aGF0IHRoZQ0KPiBwcm9ibGVtIGlzIG1vcmUgc3VidGxlIHRoZW4gdGhhdDoNCj4gDQo+ IEl0IHR1cm5zIG91dCB0aGF0IHRoZSB0aW1lb3V0IGlzIGZyb20gdXMgbm90IGVuYWJsaW5nIERQ TVMgb24gdGhlIE1TVA0KPiBodWIgYmVmb3JlIGFjdHVhbGx5IHRyeWluZyB0byBpbml0aWF0ZSBz aWRlYmFuZCBjb21tdW5pY2F0aW9ucy4gVGhpcw0KPiB3b3VsZCBjYXVzZSB0aGUgZmlyc3Qgc2lk ZWJhbmQgY29tbXVuaWNhdGlvbiAocG93ZXJfdXBfcGh5KCkpLCB0byBzdGFydA0KPiB0aW1pbmcg b3V0IGJlY2F1c2UgdGhlIHNpbmsgd2Fzbid0IHJlYWR5IHRvIHJlc3BvbmQuIEFmdGVyd2FyZHMs IHdlDQo+IHdvdWxkIGNhbGwgaW50ZWxfZHBfc2lua19kcG1zKERSTV9NT0RFX0RQTVNfT04pIGlu DQo+IGludGVsX2RkaV9wcmVfZW5hYmxlX2RwKCksIHdoaWNoIHdvdWxkIGFjdHVhbGx5IHJlc3Vs dCBpbiB3YWtpbmcgdXAgdGhlDQo+IHNpbmsgc28gdGhhdCBzaWRlYmFuZCByZXF1ZXN0cyB3b3Vs ZCB3b3JrIGFnYWluLg0KPiANCj4gU2luY2UgRFBNUyBpcyB3aGF0IGxldHMgdXMgYWN0dWFsbHkg YnJpbmcgdGhlIGh1YiB1cCBpbnRvIGEgc3RhdGUgd2hlcmUNCj4gc2lkZWJhbmQgY29tbXVuaWNh dGlvbnMgYmVjb21lIGZ1bmN0aW9uYWwgYWdhaW4sIHdlIGp1c3QgbmVlZCB0byBtYWtlDQo+IHN1 cmUgdG8gZW5hYmxlIERQTVMgb24gdGhlIGRpc3BsYXkgYmVmb3JlIGF0dGVtcHRpbmcgdG8gcGVy Zm9ybSBzaWRlYmFuZA0KPiBjb21tdW5pY2F0aW9ucy4NCj4gDQo+IENoYW5nZXMgc2luY2UgdjE6 DQo+IC0gUmVtb3ZlIGNvbW1lbnQgYWJvdmUgaWYgKCFpbnRlbF9kcC0+aXNfbXN0KSAtIHZzcnlq YWxhDQo+IC0gTW92ZSBpbnRlbF9kcF9zaW5rX2RwbXMoKSBmb3IgTVNUIGludG8gaW50ZWxfZHBf cG9zdF9kaXNhYmxlX21zdCgpIHRvDQo+ICAga2VlcCBlbmFibGUvZGlzYWJsZSBwYXRocyBzeW1t ZXRyaWNhbA0KPiAtIEltcHJvdmUgY29tbWl0IG1lc3NhZ2UgLSBkaG5rcm4NCj4gQ2hhbmdlcyBz aW5jZSB2MjoNCj4gLSBPbmx5IHNlbmQgRFBNUyBvZmYgd2hlbiB3ZSdyZSBkaXNhYmxpbmcgdGhl IGxhc3Qgc2luaywgYW5kIG9ubHkgc2VuZA0KPiAgIERQTVMgb24gd2hlbiB3ZSdyZSBlbmFibGlu ZyB0aGUgZmlyc3Qgc2luayAtIGRobmtybg0KPiANCj4gU2lnbmVkLW9mZi1ieTogTHl1ZGUgUGF1 bCA8bHl1ZGVAcmVkaGF0LmNvbT4NCj4gQ2M6IERoaW5ha2FyYW4gUGFuZGl5YW4gPGRoaW5ha2Fy YW4ucGFuZGl5YW5AaW50ZWwuY29tPg0KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4NCj4gQ2M6IExhdXJhIEFiYm90dCA8bGFiYm90dEByZWRoYXQu Y29tPg0KPiBDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZw0KPiBGaXhlczogYWQyNjBhYjMyYTRk OSAoImRybS9pOTE1L2RwOiBXcml0ZSB0byBTRVRfUE9XRVIgZHBjZCB0byBlbmFibGUgTVNUIGh1 Yi4iKQ0KPiAtLS0NCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jICAgIHwgNiAr KysrLS0NCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX21zdC5jIHwgOCArKysrKysr LQ0KPiAgMiBmaWxlcyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0K PiANCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMNCj4gaW5kZXggYTY2NzJhOWFiZDg1Li5jMGJm NzQxOWUxYzEgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5j DQo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jDQo+IEBAIC0yMzI0LDcg KzIzMjQsOCBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kZGlfcHJlX2VuYWJsZV9kcChzdHJ1Y3QgaW50 ZWxfZW5jb2RlciAqZW5jb2RlciwNCj4gIAkJaW50ZWxfcHJlcGFyZV9kcF9kZGlfYnVmZmVycyhl bmNvZGVyLCBjcnRjX3N0YXRlKTsNCj4gIA0KPiAgCWludGVsX2RkaV9pbml0X2RwX2J1Zl9yZWco ZW5jb2Rlcik7DQo+IC0JaW50ZWxfZHBfc2lua19kcG1zKGludGVsX2RwLCBEUk1fTU9ERV9EUE1T X09OKTsNCj4gKwlpZiAoIWludGVsX2RwLT5pc19tc3QpDQo+ICsJCWludGVsX2RwX3NpbmtfZHBt cyhpbnRlbF9kcCwgRFJNX01PREVfRFBNU19PTik7DQoNCg0KDQpJIGJlbGlldmUgVmlsbGUgcmVj b21tZW5kZWQgdG8gY2hlY2sgZm9yDQoJaXNfbXN0ID0gaW50ZWxfY3J0Y19oYXNfdHlwZShjcnRj X3N0YXRlLCBJTlRFTF9PVVRQVVRfRFBfTVNUKQ0KaGVyZS4gVGhlIHF1ZXN0aW9uIGlzLCBhcmUg dGhlcmUgY2FzZXMgd2hlcmUgDQppbnRlbF9kcC0+aXNfbXN0ICE9IGlzX21zdD8gQSBkaXNjb25u ZWN0IGluIHRoZSBtaWRkbGUgb2YgYSBtb2Rlc2V0DQp3b3VsZCBjYXVzZSBpbnRlbF9kcC0+aXNf bXN0IHRvIGJlIGZhbHNlLCB3b3VsZG4ndCBpdD8NCg0KDQoNCg0KDQoNCg==