From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH] drm/i915: Allow control of PSR at runtime through debugfs. Date: Wed, 25 Jul 2018 23:32:15 -0700 Message-ID: <1532586735.3356.99.camel@intel.com> References: <20180314215315.GW3945@intel.com> <20180315102827.30946-1-maarten.lankhorst@linux.intel.com> <1521684564.19788.53.camel@dk-H97M-D3H> <39d8fea7-fa44-7183-e790-7c6a89f3c85d@linux.intel.com> Reply-To: dhinakaran.pandiyan@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 359966E14C for ; Thu, 26 Jul 2018 06:07:10 +0000 (UTC) In-Reply-To: <39d8fea7-fa44-7183-e790-7c6a89f3c85d@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Maarten Lankhorst Cc: "intel-gfx@lists.freedesktop.org" , "Vivi, Rodrigo" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE4LTAzLTIyIGF0IDEwOjQxICswMTAwLCBNYWFydGVuIExhbmtob3JzdCB3cm90 ZToKPiBPcCAyMi0wMy0xOCBvbSAwMjo0NSBzY2hyZWVmIFBhbmRpeWFuLCBEaGluYWthcmFuOgo+ ID4gCj4gPiBPbiBUaHUsIDIwMTgtMDMtMTUgYXQgMTE6MjggKzAxMDAsIE1hYXJ0ZW4gTGFua2hv cnN0IHdyb3RlOgo+ID4gPiAKPiA+ID4gQ3VycmVudGx5IHRlc3RzIG1vZGlmeSBpOTE1LmVuYWJs ZV9wc3IgYW5kIHRoZW4gZG8gYSBtb2Rlc2V0Cj4gPiA+IGN5Y2xlCj4gPiA+IHRvIGNoYW5nZSBQ U1IuIFdlIGNhbiB3cml0ZSBhIHZhbHVlIHRvIGk5MTVfZWRwX3Bzcl9zdGF0dXMgdG8KPiA+ID4g Zm9yY2UKPiA+ID4gYSBjZXJ0YWluIHZhbHVlIHdpdGhvdXQgYSBtb2Rlc2V0Lgo+ID4gPiAKPiA+ ID4gVG8gcmV0YWluIGNvbXBhdGliaWxpdHkgd2l0aCBvbGRlciB1c2Vyc3BhY2UsIHdlIGFsc28g c3RpbGwgYWxsb3cKPiA+ID4gdGhlIG92ZXJyaWRlIHRocm91Z2ggdGhlIG1vZHVsZSBwYXJhbWV0 ZXIsIGFuZCBhZGQgc29tZSB0cmFja2luZwo+ID4gPiB0byBjaGVjayB3aGV0aGVyIGEgZGVidWdm cyBtb2RlIGlzIHNwZWNpZmllZC4KPiA+ID4gCj4gPiBXaGlsZSB0aGlzIGlzIHNvbWV0aGluZyB3 ZSB3YW50IHRvIGJlIGFibGUgdG8gZG8sIEkgYW0gY29uY2VybmVkCj4gPiBhYm91dAo+ID4gYWRk aW5nIG1vcmUgY29tcGxleGl0eSB0byBhIGZlYXR1cmUgdGhhdCBoYXMgYmFyZWx5IGJlZW4gdGVz dGVkLgo+ID4gCj4gPiBIb3cgYWJvdXQgZG9pbmcgYSBtb2Rlc2V0IGJlZm9yZSBmcm9udGJ1ZmZl cl90cmFja2luZyBQU1Igc3VidGVzdHMKPiA+IGFuZAo+ID4gb25lIGF0IHRoZSBlbmQ/IEknbSBh c3N1bWluZyBhbGwgb2YgdGhlbSBhcmUgZ3JvdXBlZCB0b2dldGhlci4KPiBDdXJyZW50bHkgd2Ug cnVuIGFsbCBzdWJ0ZXN0cyBpbmRpdmlkdWFsbHksIHRoaXMgbWVhbnMgdGhhdCB3ZSBhbHNvCj4g bmVlZCB0byBkbwo+IHNvbWUgZXh0cmEgbW9kZXNldHMgcGVyIHRlc3QuIE9uZSB0byBkaXNhYmxl IFBTUiBhbmQgY29sbGVjdCB0aGUKPiByZWZlcmVuY2UgQ1JDLCB0aGUKPiBvdGhlciB0byBlbmFi bGUgUFNSIGZvciB0aGUgYWN0dWFsIHRlc3QuCj4gCj4gV2l0aCB0aGVzZSBjaGFuZ2VzLCB3ZSBk b24ndCBuZWVkIHRvIGRvIHNvLgo+IAo+IAo+ID4gCj4gPiBDb21tZW50cyBvbiB0aGlzIHBhdGNo IGl0c2VsZi4KPiA+IDEpIHBsZWFzZSBzcGxpdCBpbnRlbF9wc3JfZGVmYXVsdF9saW5rX3N0YW5k YnkoKSBpbnRvIGEgc2VwYXJhdGUKPiA+IHBhdGNoLgo+IFdpbGwgZG8uCgpNYWFydGVuLCBkbyB5 b3UgcGxhbiB0byByZWJhc2UgdGhpcyBwYXRjaD8gSSB3b3VsZCBsaWtlIHRvIHVzZSB0aGlzIGlu CnRoZSBJR1RzIHRvIGVuYWJsZSBQU1IxIG9uIFBTUjIgcGFuZWxzLgoKCi1ESwoKPiA+IAo+ID4g MikgaG93IGRvZXMgdGhlIHVzZXIga25vdyB3aGF0IHZhbHVlcyB0byB3cml0ZSB3aXRob3V0IGxv b2tpbmcgYXQKPiA+IHRoZQo+ID4gY29kZT8KPiBXZSBtYXRjaCB0aGUgbW9kcGFyYW0gb3B0aW9u cyBmb3IgaTkxNS5lbmFibGVfcHNyLCBidXQgaW4gZ2VuZXJhbAo+IHVzZXIgc2hvdWxkbid0IHRv dWNoIGl0IHVubGVzcyBhc2tlZCB0by4gOikgVGhpcyBpcyBtb3N0bHkgbWVhbnQgZm9yCj4gSUdU IHRlc3RzLAo+IGNvdWxkIGFsc28gYmUgdXNlZnVsIGZvciBkZWJ1Z2dpbmcgaTkxNSBpbiBnZW5l cmFsIHRob3VnaC4KPiAKPiBCdXQgaWYgeW91IHJlYWxseSB3YW50LCBwZXJoYXBzIGlmIHdlIHNv bWVvbmUgd3JpdGVzIGFuIGludmFsaWQKPiB2YWx1ZSwgd2UgY291bGQgYWxzbwo+IG91dHB1dCB0 aGUgcG9zc2libGUgdmFsdWVzIHRvIGRlYnVnZnM/IFRob3VnaCBJIGRvbid0IHRoaW5rIHdlIG91 Z2h0Cj4gdG8uIGRlYnVnZnMKPiBkb2Vzbid0IGFsd2F5cyBoYXZlIGRvY3VtZW50YXRpb24uCj4g PiAKPiA+IDMpIENhbiB0aGUgY29ubmVjdG9yIGFuZCBjcnRjIGJlIHN0b3JlZCBzb21ld2hlcmUg dG8gYXZvaWQgbG9vcHM/Cj4gaW50ZWxfcHNyX3NldF9kZWJ1Z2ZzIG1vZGUgY2hlY2tzIGZvciBp ZGxlbmVzcyBhbmQgd2FpdHMgZm9yIGFsbAo+IGF0b21pYyBjb21taXRzIHRvIGNvbXBsZXRlLgo+ IFdlIG5lZWQgdGhlIEhXIHN0YXRlIHRvIHRvZ2dsZSBQU1IsIGFuZCB0aGlzIGlzIHRoZSBvbmx5 IHdheSB0bwo+IGd1YXJhbnRlZSB0aGF0IGNydGMtPnN0YXRlIG1hdGNoZXMKPiB0aGUgYWN0dWFs IGh3IHN0YXRlLgo+IAo+IElmIHdlIGRvbid0IGRyb3AgdGhlIHBzciBsb2NrLCB3ZSB3b3VsZCBn ZXQgYSBkZWFkbG9jayB3aGVuCj4gaW50ZWxfcHNyX2VuYWJsZS9kaXNhYmxlIGlzIGNhbGxlZCBm cm9tIC5jcnRjX2Rpc2FibGUsCj4gYmVjYXVzZSB3ZSB3YWl0IGZvciBod19kb25lIHdpdGggcHNy IGxvY2sgYWxyZWFkeSB0YWtlbi4KPiA+IAo+ID4gNCkgSGFzIHRoaXMgYmVlbiB0ZXN0ZWQgb24g YW55IHBsYXRmb3JtcyB3aXRoIFBTUj8KPiBJJ3ZlIGhhZCBzb21lb25lIHRlc3QgdjEgb24gYSBQ U1IgY2FwYWJsZSBzeXN0ZW0uIEl0IGh1bmcgaW4gdGhlIHNhbWUKPiB3YXkgYXMgZW5hYmxpbmcg UFNSIGR1cmluZyBib290IGRpZCwKPiBzbyB0aGF0IHBhcnQgaXMgdGhlIHNhbWUuCj4gCj4gRm9y IHRoZSBsYXRlciBwYXRjaGVzIEkgdXNlZCBmMi1jbmwtYWxwaGEsIGJ1dCB0aGF0IHN5c3RlbSBo YW5ncyBhCj4gZmV3IHNlY29uZHMgLyBoYWxmIGEgbWludXRlIGFmdGVyIGxvYWRpbmcgaTkxNS4K PiBTdGlsbCBnYXZlIG1lIGVub3VnaCB0aW1lIHRvIGNoZWNrIHdlIGNhbiB3cml0ZSBhbnkgdmFs dWUgdG8gZGVidWdmcy4KPiAKPiA+IAo+ID4gNSkgRG8gc3VidGVzdHMgbmVlZCBhIGZpbmVyIGNv bnRyb2wgb2YgUFNSIGkuZS4sIHBzcl9leGl0KCkgYW5kCj4gPiBwc3JfYWN0aXZhdGUoKSBpbnN0 ZWFkIG9mIGVuYWJsZSBhbmQgZGlzYWJsZQo+IE5vdCBhZmFpY3QuIFdlIHNvbWV0aW1lcyBpbnZh bGlkYXRlIHRoZSBGQiB3aXRoIGRpcnR5ZmIsIGJ1dCB0aGF0J3MKPiBhbGwgdGhlIGNvbnRyb2wg d2UgbmVlZCBJIHRoaW5rLgo+IAo+IH5NYWFydGVuCj4gX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=