From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: Re: [PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges Date: Mon, 21 Oct 2019 18:46:06 +0300 Message-ID: <20191021154606.GT2819@lahna.fi.intel.com> References: <20191016213722.GA72810@google.com> <20191021133328.GI2819@lahna.fi.intel.com> <20191021140852.GM2819@lahna.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Karol Herbst Cc: Linux PM , Linux PCI , "Rafael J . Wysocki" , LKML , dri-devel , Linux ACPI Mailing List , Bjorn Helgaas , nouveau List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBPY3QgMjEsIDIwMTkgYXQgMDQ6NDk6MDlQTSArMDIwMCwgS2Fyb2wgSGVyYnN0IHdy b3RlOgo+IE9uIE1vbiwgT2N0IDIxLCAyMDE5IGF0IDQ6MDkgUE0gTWlrYSBXZXN0ZXJiZXJnCj4g PG1pa2Eud2VzdGVyYmVyZ0BpbnRlbC5jb20+IHdyb3RlOgo+ID4KPiA+IE9uIE1vbiwgT2N0IDIx LCAyMDE5IGF0IDAzOjU0OjA5UE0gKzAyMDAsIEthcm9sIEhlcmJzdCB3cm90ZToKPiA+ID4gPiBJ IHJlYWxseSB3b3VsZCBsaWtlIHRvIHByb3ZpZGUgeW91IG1vcmUgaW5mb3JtYXRpb24gYWJvdXQg c3VjaAo+ID4gPiA+IHdvcmthcm91bmQgYnV0IEknbSBub3QgYXdhcmUgb2YgYW55IDstKSBJIGhh dmUgbm90IHNlZW4gYW55IGlzc3VlcyBsaWtlCj4gPiA+ID4gdGhpcyB3aGVuIEQzY29sZCBpcyBw cm9wZXJseSBpbXBsZW1lbnRlZCBpbiB0aGUgcGxhdGZvcm0uICBUaGF0J3Mgd2h5Cj4gPiA+ID4g SSdtIGJpdCBza2VwdGljYWwgdGhhdCB0aGlzIGhhcyBhbnl0aGluZyB0byBkbyB3aXRoIHNwZWNp ZmljIEludGVsIFBDSWUKPiA+ID4gPiBwb3J0cy4gTW9yZSBsaWtlbHkgaXQgaXMgc29tZSBwb3dl ciBzZXF1ZW5jZSBpbiB0aGUgX09OL19PRkYoKSBtZXRob2RzCj4gPiA+ID4gdGhhdCBpcyBydW4g ZGlmZmVyZW50bHkgb24gV2luZG93cy4KPiA+ID4KPiA+ID4geWVhaC4uIG1heWJlLiBJIHJlYWxs eSBkb24ndCBrbm93IHdoYXQncyB0aGUgYWN0dWFsIHJvb3QgY2F1c2UuIEkganVzdAo+ID4gPiBr bm93IHRoYXQgd2l0aCB0aGlzIHdvcmthcm91bmQgaXQgd29ya3MgcGVyZmVjdGx5IGZpbmUgb24g bXkgYW5kIHNvbWUKPiA+ID4gb3RoZXIgc3lzdGVtcyBpdCB3YXMgdGVzdGVkIG9uLiBEbyB5b3Ug a25vdyB3aG8gd291bGQgYmUgYmVzdCB0bwo+ID4gPiBhcHByb2FjaCB0byBnZXQgcHJvcGVyIGRv Y3VtZW50YXRpb24gYWJvdXQgdGhvc2UgbWV0aG9kcyBhbmQgd2hhdCBhcmUKPiA+ID4gdGhlIGFj dHVhbCBwcmVyZXF1aXNpdGVzIG9mIHRob3NlIG1ldGhvZHM/Cj4gPgo+ID4gVGhvc2Ugc2hvdWxk IGJlIGRvY3VtZW50ZWQgaW4gdGhlIEFDUEkgc3BlYy4gQ2hhcHRlciA3IHNob3VsZCBleHBsYWlu Cj4gPiBwb3dlciByZXNvdXJjZXMgYW5kIHRoZSBkZXZpY2UgcG93ZXIgbWV0aG9kcyBpbiBkZXRh aWwuCj4gCj4gZWl0aGVyIEkgbG9va2VkIHVwIHRoZSB3cm9uZyBzcGVjIG9yIHRoZSBkb2N1bWVu dGF0aW9uIGlzbid0IHJlYWxseQo+IHNheWluZyBtdWNoIHRoZXJlLgoKV2VsbCBpdCBleHBsYWlu cyB0aG9zZSBtZXRob2RzLCBfUFN4LCBfUFJ4IGFuZCBfT04oKS9fT0ZGKCkuIEluIGNhc2Ugb2YK UENJZSBkZXZpY2UgeW91IGFsc28gd2FudCB0byBjaGVjayBQQ0llIHNwZWMuIFBDSWUgNS4wIHNl Y3Rpb24gNS44ICJQQ0kKRnVuY3Rpb24gUG93ZXIgU3RhdGUgVHJhbnNpdGlvbnMiIGhhcyBhIHBp Y3R1cmUgYWJvdXQgdGhlIHN1cHBvcnRlZApwb3dlciBzdGF0ZSB0cmFuc2l0aW9ucyBhbmQgdGhl cmUgd2UgY2FuIGZpbmQgdGhhdCBmdW5jdGlvbiBtdXN0IGJlIGluCkQzaG90IGJlZm9yZSBpdCBj YW4gYmUgdHJhbnNpdGlvbmVkIGludG8gRDNjb2xkIHNvIGlmIHRoZSBfT0ZGKCkgZm9yCmV4YW1w bGUgYmxpbmRseSBhc3N1bWVzIHRoYXQgdGhlIGRldmljZSBpcyBpbiBEMCB3aGVuIGl0IGlzIGNh bGxlZCwgaXQKaXMgYSBidWcgaW4gdGhlIEJJT1MuCgpCVFcsIHdoZXJlIGNhbiBJIGZpbmQgYWNw aWR1bXAgb2Ygc3VjaCBzeXN0ZW0/Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbA==