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: Wed, 23 Oct 2019 12:00:42 +0300 Message-ID: <20191023090042.GQ2819@lahna.fi.intel.com> References: <20191021133328.GI2819@lahna.fi.intel.com> <20191021140852.GM2819@lahna.fi.intel.com> <20191021154606.GT2819@lahna.fi.intel.com> <20191022124453.GK2819@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 T24gVHVlLCBPY3QgMjIsIDIwMTkgYXQgMDI6NTE6NTNQTSArMDIwMCwgS2Fyb2wgSGVyYnN0IHdy b3RlOgo+IE9uIFR1ZSwgT2N0IDIyLCAyMDE5IGF0IDI6NDUgUE0gTWlrYSBXZXN0ZXJiZXJnCj4g PG1pa2Eud2VzdGVyYmVyZ0BpbnRlbC5jb20+IHdyb3RlOgo+ID4KPiA+IE9uIFR1ZSwgT2N0IDIy LCAyMDE5IGF0IDExOjE2OjE0QU0gKzAyMDAsIEthcm9sIEhlcmJzdCB3cm90ZToKPiA+ID4gSSB0 aGluayB0aGVyZSBpcyBzb21ldGhpbmcgSSB0b3RhbGx5IGZvcmdvdCBhYm91dDoKPiA+ID4KPiA+ ID4gV2hlbiB0aGVyZSB3YXMgbmV2ZXIgYSBkcml2ZXIgYm91bmQgdG8gdGhlIEdQVSwgYW5kIGlm IHJ1bnRpbWUgcG93ZXIKPiA+ID4gbWFuYWdlbWVudCBnZXRzIGVuYWJsZWQgb24gdGhhdCBkZXZp Y2UsIHJ1bnRpbWUgc3VzcGVuZC9yZXN1bWUgd29ya3MKPiA+ID4gYXMgZXhwZWN0ZWQgKEkgYW0g bm90IDEwMCUgc3VyZSBvbiBpZiB0aGF0IGFsd2F5cyB3b3JrcywgYnV0IEkgd2lsbAo+ID4gPiBy ZWNoZWNrIHRoYXQpLgo+ID4KPiA+IEFGQUlLLCBpZiB0aGVyZSBpcyBubyBkcml2ZXIgYm91bmQg dG8gdGhlIFBDSSBkZXZpY2UgaXQgaXMgbGVmdCB0byBEMAo+ID4gcmVnYXJkbGVzcyBvZiB0aGUg cnVudGltZSBQTSBzdGF0ZSB3aGljaCBjb3VsZCBleHBsYWluIHdoeSBpdCB3b3JrcyBpbgo+ID4g dGhhdCBjYXNlIChpdCBpcyBuZXZlciBwdXQgaW50byBEM2hvdCkuCj4gPgo+ID4gSSBsb29rZWQg YXQgdGhlIGFjcGlkdW1wIHlvdSBzZW50IGFuZCB0aGVyZSBpcyBvbmUgdGhpbmcgdGhhdCBtYXkK PiA+IGV4cGxhaW4gdGhlIGRpZmZlcmVuY2VzIGJldHdlZW4gV2luZG93cyBhbmQgTGludXguIE5v dCBzdXJlIGlmIHlvdSB3ZXJlCj4gPiBhd2FyZSBvZiB0aGlzIGFscmVhZHksIHRob3VnaC4gVGhl IHBvd2VyIHJlc291cmNlIFBHT0YoKSBtZXRob2QgaGFzCj4gPiB0aGlzOgo+ID4KPiA+ICAgIElm ICgoKE9TWVMgPD0gMHgwN0Q5KSB8fCAoKE9TWVMgPT0gMHgwN0RGKSAmJiAoX1JFViA9PSAweDA1 KSkpKSB7Cj4gPiAgICAgICAuLi4KPiA+ICAgIH0KPiA+Cj4gCj4gSSB0aGluayB0aGlzIGlzIHRo ZSBmYWxsYmFjayB0byBzb21lIG9sZGVyIG1ldGhvZCBvZiBydW50aW1lCj4gc3VzcGVuZGluZyB0 aGUgZGV2aWNlLCBhbmQgSSB0aGluayBpdCB3aWxsIGVuZCB1cCB0b3VjaGluZyBkaWZmZXJlbnQK PiByZWdpc3RlcnMgb24gdGhlIGJyaWRnZSBjb250cm9sbGVyIHdoaWNoIGRvIG5vdCBzaG93IHRo ZSBicm9rZW4KPiBiZWhhdmlvdXIuCgpJIHRoaW5rIGl0IGFjdHVhbGx5IHRyaWVzIHRvIGlkZW50 aWZ5IG9sZGVyIFdpbmRvd3MgYW5kIHRoZW4gTGludXggKHRoZQpfUkVWID09IDB4MDUgY2hlY2sg Y29tZXMgZnJvbSB0aGF0KS4gU28gYXQgbGVhc3Qgc29tZSBwb2ludCBEZWxsIHBlb3BsZQpoYXZl IGV4cGVyaW1lbnQgdGhpcyBvbiBMaW51eC4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZHJpLWRldmVs