From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: Re: [PATCH] drm/i915: Prevent the system suspend complete optimization Date: Thu, 13 Apr 2017 14:15:11 +0300 Message-ID: <20170413111511.GC28099@ideak-desk.fi.intel.com> References: <1491927155-15322-1-git-send-email-imre.deak@intel.com> <20170411165407.GO7895@nuc-i3427.alporthouse.com> <20170411170917.GA15832@ideak-desk.fi.intel.com> <383537cb-bc46-fc47-2a3e-4c2c358ed58a@intel.com> <20170413091049.GA28099@ideak-desk.fi.intel.com> Reply-To: imre.deak@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2A0E46E2D1 for ; Thu, 13 Apr 2017 11:15:15 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20170413091049.GA28099@ideak-desk.fi.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Rafael J. Wysocki" Cc: Tomi Sarvela , intel-gfx@lists.freedesktop.org, Takashi Iwai , Mika Kuoppala List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBBcHIgMTMsIDIwMTcgYXQgMTI6MTA6NDlQTSArMDMwMCwgSW1yZSBEZWFrIHdyb3Rl Ogo+IE9uIFRodSwgQXByIDEzLCAyMDE3IGF0IDA0OjI5OjQxQU0gKzAyMDAsIFJhZmFlbCBKLiBX eXNvY2tpIHdyb3RlOgo+ID4gSGksCj4gPiAKPiA+IEZpcnN0IG9mZiwgc29ycnkgZm9yIGludHJv ZHVjaW5nIHRoZSBwcm9ibGVtIGFuZCB0aGFua3MgZm9yIHRha2luZyBjYXJlIG9mCj4gPiBpdCEK PiA+IAo+ID4gT24gNC8xMS8yMDE3IDc6MDkgUE0sIEltcmUgRGVhayB3cm90ZToKPiA+ID5PbiBU dWUsIEFwciAxMSwgMjAxNyBhdCAwNTo1NDowN1BNICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6 Cj4gPiA+Pk9uIFR1ZSwgQXByIDExLCAyMDE3IGF0IDA3OjEyOjM1UE0gKzAzMDAsIEltcmUgRGVh ayB3cm90ZToKPiA+ID4+PitzdGF0aWMgaW50IGk5MTVfcG1fcHJlcGFyZShzdHJ1Y3QgZGV2aWNl ICprZGV2KQo+ID4gPj4+K3sKPiA+ID4+PisJLyoKPiA+ID4+PisJICogR2V0IGEgcmVmZXJlbmNl IHRvIGRpc2FibGUgdGhlIGRpcmVjdCBjb21wbGV0ZSBvcHRpbWl6YXRpb24uIFRoaXMKPiA+ID4+ PisJICogaXMgbmVlZGVkLCBzaW5jZSB3ZSBoYXZlIGEgc3VzcGVuZCBzZXF1ZW5jZSBzcGVjaWZp YyB0byBzeXN0ZW0KPiA+ID4+PisJICogc3VzcGVuZCAodGhhdCBpcyBkaWZmZXJlbnQgZnJvbSBy dW50aW1lIHN1c3BlbmQpIGFuZCBiZWNhdXNlIHdlCj4gPiA+Pj4rCSAqIG5lZWQgdG8gcHJvdmlk ZSBwb3dlciB0byB0aGUgc291bmQgZHJpdmVyIHdoaWxlIGl0cyBzeXN0ZW0gc3VzcGVuZAo+ID4g Pj4+KwkgKiBoYW5kbGVyIGlzIHJ1bm5pbmcuIFRoaXMgaXMgbm90IHBvc3NpYmxlIHdpdGggdGhl IG9wdGltaXphdGlvbiBpbgo+ID4gPj4+KwkgKiBlZmZlY3QsIHdoZW4gdGhlIGk5MTUgcnVudGlt ZSBQTSBpcyBkaXNhYmxlZCBmb3IgdGhlIHdob2xlIGR1cmF0aW9uCj4gPiA+Pj4rCSAqIG9mIHRo ZSBzdXNwZW5kIHNlcXVlbmNlIGlmIHRoZSBkZXZpY2Ugd2FzIGFscmVhZHkgcnVudGltZQo+ID4g Pj4+KwkgKiBzdXNwZW5kZWQgYXQgdGhlIGJlZ2lubmluZyBvZiB0aGUgc2VxdWVuY2UuIEluIHRo aXMgY2FzZSB0aGUgaTkxNQo+ID4gPj4+KwkgKiBzdXNwZW5kL3Jlc3VtZSBob29rcyB3b3VsZCBi ZSBhbHNvIHNraXBwZWQgKGJlc2lkZXMgaXRzIHByZXBhcmUgYW5kCj4gPiA+Pj4rCSAqIGNvbXBs ZXRlIGhvb2tzKS4KPiA+ID4+PisJICovCj4gPiA+Pj4rCWludGVsX3J1bnRpbWVfcG1fZ2V0KGtk ZXZfdG9faTkxNShrZGV2KSk7Cj4gPiA+Pj4rCj4gPiA+Pj4rCXJldHVybiAwOwo+ID4gPj4+K30K PiA+ID4+PisKPiA+ID4+PitzdGF0aWMgdm9pZCBpOTE1X3BtX2NvbXBsZXRlKHN0cnVjdCBkZXZp Y2UgKmtkZXYpCj4gPiA+Pj4rewo+ID4gPj4+KwkvKiBQdXQgdGhlIHJlZiB0YWtlbiBpbiB0aGUg cHJlcGFyZSBzdGVwLiAqLwo+ID4gPj4+KwlpbnRlbF9ydW50aW1lX3BtX3B1dChrZGV2X3RvX2k5 MTUoa2RldikpOwo+ID4gPj5EbyB3ZSBhbHdheXMgY2FsbCBpOTE1X3BtX2NvbXBsZXRlKCkgaWYg YW55IG9mIHRoZSBwb3N0LXByZXBhcmUgc3VzcGVuZAo+ID4gPj5zdGVwcyBmYWlsPyBPdGhlcndp c2UsIGl0IGxvb2tzIHZlcnkgc2Vuc2libGUgZnJvbSBvdXIgcG92Lgo+ID4gPlllcywgaXQncyBj YWxsZWQgZXZlbiBpbiB0aGUgZmFpbHVyZSBjYXNlIChmb3IgUzMgZm9yIGV4YW1wbGUKPiA+ID5z dXNwZW5kX2RldmljZXNfYW5kX2VudGVyKCktPlJlY292ZXJfcGxhdGZvcm06LT5SZXN1bWVfZGV2 aWNlczotPgo+ID4gPmRwbV9yZXN1bWVfZW5kKCktPmRwbV9jb21wbGV0ZSgpKS4KPiA+IAo+ID4g LT5wcmVwYXJlIGFuZCAtPmNvbXBsZXRlIGFyZSBub3QgdGhlIG1vc3QgZnJpZW5kbHkgcGxhY2Vz IHRvIGRvIHRoZXNlCj4gPiB0aGluZ3MsIHRob3VnaCwgYmVjYXVzZSB0aGVuIHRoZSB3aG9sZSBr ZXJuZWwgbmVlZHMgdG8gd2FpdCBmb3IgdGhlbSB0bwo+ID4gcmV0dXJuIGFuZCBpZiB0aGV5IHRh a2UgdGltZSwgaXQgZ29lcyB1Z2x5Lgo+ID4gCj4gPiBIYXZlIHlvdSBjb25zaWRlcmVkIGFkZGlu ZyBhIG5lZWRfcmVzdW1lIGZsYWcgdG8gc3RydWN0IHBjaV9kZXYsIHNldHRpbmcgaXQKPiA+IGZv ciBpOTE1IGFuZCBjaGVja2luZyBpdCBhbG9uZyB3aXRoIHBsYXRmb3JtX3BjaV9uZWVkX3Jlc3Vt ZSgpIGluCj4gPiBwY2lfZGV2X2tlZXBfc3VzcGVuZGVkKCk/Cj4gCj4gSGF2ZW4ndCBjb25zaWRl cmVkIGl0LCBjYW4gZG8gdGhhdCBpbnN0ZWFkLgo+IAo+IE5vdGUgdGhhdCBpdCBkb2Vzbid0IG5l ZWQgdG8gYmUgcmVzdW1lZCBpbiBhbGwgY2FzZXMsIGFsdGhvdWdoIHRoYXQncwo+IHdoYXQncyBo YXBwZW5pbmcgbm93LiBEdXJpbmcgc3VzcGVuZC10by1pZGxlLCBkZXBlbmRpbmcgb24gdGhlIEhE QQo+IGRyaXZlcidzIHJlcXVpcmVtZW50cywgaXQgY291bGQgc3RheSBzdXNwZW5kZWQuIENhbGxp bmcKPiBwbV9ydW50aW1lX2dldF9ub3Jlc3VtZSgpIGluIC0+cHJlcGFyZSgpIGFuZCBwbV9ydW50 aW1lX3B1dCgpIGluCj4gLT5jb21wbGV0ZSgpIHdvdWxkIGJlIG1vcmUgaW5saW5lIHdpdGggdGhh dCB3aXRob3V0IHRoZSBvdmVyaGVhZCBvZgo+IGFjdHVhbGx5IHJlc3VtaW5nLiBBbHRob3VnaCBw Y2lfcG1fc3VzcGVuZCgpIHdpbGwgcmVzdW1lIHRoZSBkZXZpY2UgZXZlbgo+IHRoZW4uCgpBaCwg anVzdCByZWFsaXplZCB0aGF0IGdldF9ub3Jlc3VtZSgpIGlzIG5vdCBlbm91Z2ggdG8gcHJldmVu dCB0aGUKb3B0aW1pemF0aW9uLCB0aGUgZGV2aWNlIG5lZWRzIHRvIGJlIGFjdHVhbGx5IHJlc3Vt ZWQgZm9yIHRoYXQuIFNvIG52bQphYm91dCB0aGUgYWJvdmUsIEknbGwgYWRkIHRoZSBuZXcgZmxh ZyBhcyB5b3Ugc3VnZ2VzdGVkLgoKLS1JbXJlCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=