From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH 1/2] PM / runtime: Allow drivers to override runtime PM behaviour on sleep Date: Thu, 28 Nov 2019 23:03:57 +0100 Message-ID: <2310325.iNVD75376c@kreacher> References: <20191128160314.2381249-1-thierry.reding@gmail.com> <20191128163623.GA2382107@ulmo> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191128163623.GA2382107@ulmo> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: Len Brown , Linux PM , Greg Kroah-Hartman , "Rafael J. Wysocki" , dri-devel , Pavel Machek , linux-tegra , Dmitry Osipenko List-Id: linux-tegra@vger.kernel.org T24gVGh1cnNkYXksIE5vdmVtYmVyIDI4LCAyMDE5IDU6NTA6MjYgUE0gQ0VUIFRoaWVycnkgUmVk aW5nIHdyb3RlOgo+IAo+IC0tMEYxcC8vOFBSSUNrSzRNVwo+IENvbnRlbnQtVHlwZTogdGV4dC9w bGFpbjsgY2hhcnNldD11cy1hc2NpaQo+IENvbnRlbnQtRGlzcG9zaXRpb246IGlubGluZQo+IENv bnRlbnQtVHJhbnNmZXItRW5jb2Rpbmc6IHF1b3RlZC1wcmludGFibGUKPiAKPiBPbiBUaHUsIE5v diAyOCwgMjAxOSBhdCAwNToxNDo1MVBNICswMTAwLCBSYWZhZWwgSi4gV3lzb2NraSB3cm90ZToK PiA+IE9uIFRodSwgTm92IDI4LCAyMDE5IGF0IDU6MDMgUE0gVGhpZXJyeSBSZWRpbmcgPHRoaWVy cnkucmVkaW5nQGdtYWlsLmNvbT49Cj4gIHdyb3RlOgo+ID4gPgo+ID4gPiBGcm9tOiBUaGllcnJ5 IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgo+ID4gPgo+ID4gPiBDdXJyZW50bHkgdGhlIGRy aXZlciBQTSBjb3JlIHdpbGwgYXV0b21hdGljYWxseSBhY3F1aXJlIGEgcnVudGltZSBQTQo+ID4g PiByZWZlcmVuY2UgZm9yIGRldmljZXMgYmVmb3JlIHN5c3RlbSBzbGVlcCBpcyBlbnRlcmVkLiBU aGlzIGlzIG5lZWRlZAo+ID4gPiB0byBhdm9pZCBwb3RlbnRpYWwgaXNzdWVzIHJlbGF0ZWQgdG8g ZGV2aWNlcycgcGFyZW50cyBnZXR0aW5nIHB1dCB0bwo+ID4gPiBydW50aW1lIHN1c3BlbmQgYXQg dGhlIHdyb25nIHRpbWUgYW5kIGNhdXNpbmcgcHJvYmxlbXMgd2l0aCB0aGVpcgo+ID4gPiBjaGls ZHJlbi4KPiA+PTIwCj4gPiBOb3Qgb25seSBmb3IgdGhhdC4KPiA+PTIwCj4gPiA+IEluIHNvbWUg Y2FzZXMgZHJpdmVycyBhcmUgY2FyZWZ1bGx5IHdyaXR0ZW4gdG8gYXZvaWQgc3VjaCBpc3N1ZXMg YW5kCj4gPiA+IHRoZSBkZWZhdWx0IGJlaGF2aW91ciBjYW4gYmUgY2hhbmdlZCB0byBhbGxvdyBy dW50aW1lIFBNIHRvIG9wZXJhdGUKPiA+ID4gcmVndWxhcmx5IGR1cmluZyBzeXN0ZW0gc2xlZXAu Cj4gPj0yMAo+ID4gQnV0IHRoaXMgY2hhbmdlIGJyZWFrcyBxdWl0ZSBhIGZldyBhc3N1bXB0aW9u cyBpbiB0aGUgY29yZSB0b28sIHNvIG5vLAo+ID4gaXQgY2FuJ3QgYmUgbWFkZS4KPiAKPiBBbnl0 aGluZyBpbiBwYXJ0aWN1bGFyIHRoYXQgSSBjYW4gbG9vayBhdD8gSSdtIG5vdCBzZWVpbmcgYW55 IGlzc3Vlcwo+IHdoZW4gSSB0ZXN0IHRoaXMsIHdoaWNoIGNvdWxkIG9mIGNvdXJzZSBtZWFuIHRo YXQgSSdtIGp1c3QgZ2V0dGluZwo+IGx1Y2t5LgoKVGhlcmUgYXJlIHJhY2VzIGFuZCBzdWNoIHRo YXQgeW91IG1heSBuZXZlciBoaXQgZHVyaW5nIGNhc3VhbCB0ZXN0aW5nLgoKPiBPbmUgdGhpbmcg dGhhdCBpcnJpdGF0ZWQgbWUgaXMgdGhhdCBJIHRoaW5rIHRoaXMgdXNlZCB0byB3b3JrLiBJIGRv Cj4gcmVjYWxsIHRlc3Rpbmcgc3VzcGVuZC9yZXN1bWUgYSBmZXcgeWVhcnMgYWdvIGFuZCBkZXZp Y2VzIHdvdWxkIGdldAo+IHByb3Blcmx5IHJ1bnRpbWUgc3VzcGVuZGVkL3Jlc3VtZWQuCgpOb3Qg dHJ1ZSBhdCBhbGwuCgpUaGUgUE0gY29yZSBoYXMgYWx3YXlzIHRha2VuIFBNLXJ1bnRpbWUgcmVm ZXJlbmNlcyBvbiBhbGwgZGV2aWNlcyBwcmV0dHkgbXVjaApzaW5jZSB3aGVuIFBNLXJ1bnRpbWUg d2FzIGludHJvZHVjZWQuCgo+IEkgZGlkIHNvbWUgZGlnZ2luZyBidXQgY291bGRuJ3QKPiBmaW5k IGFueXRoaW5nIHRoYXQgd291bGQgaGF2ZSBoYWQgYW4gaW1wYWN0IG9uIHRoaXMuCj4gCj4gR2l2 ZW4gdGhhdCB0aGlzIGlzIGNvbXBsZXRlbHkgb3B0LWluIGZlYXR1cmUsIHdoeSBhcmUgeW91IGNh dGVnb3JpY2FsbHkKPiBOQUsnaW5nIHRoaXM/CgpUaGUgZ2VuZXJhbCBwcm9ibGVtIGlzIHRoYXQg aWYgYW55IGRldmljZSBoYXMgYmVlbiB0b3VjaGVkIGJ5IHN5c3RlbS13aWRlCnN1c3BlbmQgY29k ZSwgaXQgc2hvdWxkIG5vdCBiZSBzdWJqZWN0IHRvIFBNLXJ1bnRpbWUgYW55IG1vcmUgdW50aWwg dGhlCnN1YnNlcXVlbnQgc3lzdGVtLXdpZGUgcmVzdW1lIGlzIGFibGUgdG8gdW5kbyB3aGF0ZXZl ciB0aGUgc3VzcGVuZCBkaWQuCgpNb3Jlb3ZlciwgaWYgYSBkZXZpY2UgaXMgcnVudGltZS1zdXNw ZW5kZWQsIHRoZSBzeXN0ZW0td2lkZSBzdXNwZW5kIGNvZGUKbWF5IG1pc2hhbmRsZSBpdCwgaW4g Z2VuZXJhbC4gIFRoYXQncyB3aHkgUE0tcnVudGltZSBzdXNwZW5kIGlzIG5vdCBhbGxvd2VkCmR1 cmluZyBzeXN0ZW0td2lkZSB0cmFuc2l0aW9ucyBhdCBhbGwuICBBbmQgaXQgaGFzIGFsd2F5cyBi ZWVuIGxpa2UgdGhhdC4KCkZvciBhIHNwZWNpZmljIHBsYXRmb3JtIHlvdSBtYXkgYmUgYWJsZSB0 byBvdmVyY29tZSB0aGVzZSBsaW1pdGF0aW9ucyBpZgp5b3UgYXJlIGNhcmVmdWwgZW5vdWdoLCBi dXQgY2VydGFpbmx5IHRoZXkgYXJlIHRoZXJlIGluIGdlbmVyYWwgYW5kIHN1cmVseQp5b3UgY2Fu bm90IHByZXZlbnQgcGVvcGxlIGZyb20gdXNpbmcgeW91ciBvcHQtaW4ganVzdCBiZWNhdXNlIHRo ZXkgdGhpbmsKdGhhdCB0aGV5IGtub3cgd2hhdCB0aGV5IGFyZSBkb2luZy4KCj4gSXMgdGhlcmUg c29tZSBvdGhlciBhbHRlcm5hdGl2ZSB0aGF0IEkgY2FuIGxvb2sgaW50bz8KCkZpcnN0IG9mIGFs bCwgZW5zdXJlIHRoYXQgdGhlIGRwbV9saXN0IG9yZGVyaW5nIGlzIHdoYXQgaXQgc2hvdWxkIGJl IG9uIHRoZQpzeXN0ZW0vcGxhdGZvcm0gaW4gcXVlc3Rpb24uICBUaGF0IGNhbiBiZSBkb25lIHdp dGggdGhlIGhlbHAgb2YgZGV2aWNlIGxpbmtzLgoKSW4gYWRkaXRpb24sIG1ha2Ugc3VyZSB0aGF0 IHRoZSBkZXZpY2VzIG5lZWRlZCB0byBzdXNwZW5kIG90aGVyIGRldmljZXMgYXJlCnN1c3BlbmRl ZCBpbiB0aGUgbm9pcnEgcGhhc2Ugb2Ygc3lzdGVtLXdpZGUgc3VzcGVuZCBhbmQgcmVzdW1lZCBp biB0aGUKbm9pcnEgcGhhc2Ugb2Ygc3lzdGVtLXdpZGUgcmVzdW1lLiAgT3IgYXQgbGVhc3QgYWxs IG9mIHRoZSBvdGhlciBkZXZpY2VzCm5lZWQgdG8gYmUgc3VzcGVuZGVkIGJlZm9yZSB0aGVtIGFu ZCByZXN1bWVkIGFmdGVyIHRoZW0uCgpUaGVzZSB0d28gdGhpbmdzIHNob3VsZCBhbGxvdyB5b3Ug dG8gY292ZXIgdGhlIHZhc3QgbWFqb3JpdHkgb2YgY2FzZXMgaWYKbm90IGFsbCBvZiB0aGVtIHdp dGhvdXQgbWVzc2luZyB1cCB3aXRoIHRoZSBydWxlcy4KClRoYW5rcyEKCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlz dApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs