From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v2] drm/i915: gen4: work around hang during hibernation Date: Wed, 04 Mar 2015 10:15:35 +0200 Message-ID: <87a8zt41qw.fsf@intel.com> References: <1425294281-7297-1-git-send-email-imre.deak@intel.com> <87385n60re.fsf@intel.com> <87sidn8sfp.fsf@nemi.mork.no> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <87sidn8sfp.fsf@nemi.mork.no> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?utf-8?Q?Bj=C3=B8rn?= Mork Cc: Daniel Vetter , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAwMiBNYXIgMjAxNSwgQmrDuHJuIE1vcmsgPGJqb3JuQG1vcmsubm8+IHdyb3RlOgo+ IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+IHdyaXRlczoKPgo+PiBPbiBNb24s IDAyIE1hciAyMDE1LCBJbXJlIERlYWsgPGltcmUuZGVha0BpbnRlbC5jb20+IHdyb3RlOgo+Pj4g QmrDuHJuIHJlcG9ydGVkIHRoYXQgaGlzIG1hY2hpbmUgaGFuZyBkdXJpbmcgaGliZXJuYXRpb24g YW5kIGV2ZW50dWFsbHkKPj4+IGJpc2VjdGVkIHRoZSBwcm9ibGVtIHRvIHRoZSBmb2xsb3dpbmcg Y29tbWl0Ogo+Pj4KPj4+IGNvbW1pdCBkYTJiYzFiOWRiMzM1MWFkZGQyOTNlNWI4Mjc1N2VmZTFm NzdlZDFkCj4+PiBBdXRob3I6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4KPj4+IERh dGU6ICAgVGh1IE9jdCAyMyAxOToyMzoyNiAyMDE0ICswMzAwCj4+Pgo+Pj4gICAgIGRybS9pOTE1 OiBhZGQgcG93ZXJvZmZfbGF0ZSBoYW5kbGVyCj4+Pgo+Pj4gVGhlIHByb2JsZW0gc2VlbXMgdG8g YmUgdGhhdCBhZnRlciB0aGUga2VybmVsIHB1dHMgdGhlIGRldmljZSBpbnRvIEQzCj4+PiB0aGUg QklPUyBzdGlsbCB0cmllcyB0byBhY2Nlc3MgaXQsIG9yIG90aGVyd2lzZSBhc3N1bWVzIHRoYXQg aXQncyBpbiBEMC4KPj4+IFRoaXMgaXMgY2xlYXJseSBib2d1cywgc2luY2UgQUNQSSBtYW5kYXRl cyB0aGF0IGRldmljZXMgYXJlIHB1dCBpbnRvIEQzCj4+PiBieSB0aGUgT1NQTSBpZiB0aGV5IGFy ZSBub3Qgd2FrZS11cCBzb3VyY2VzLiBJbiB0aGUgZnV0dXJlIHdlIHdhbnQgdG8KPj4+IHVuaWZ5 IG1vcmUgb2YgdGhlIGRyaXZlcidzIHJ1bnRpbWUgYW5kIHN5c3RlbSBzdXNwZW5kIHBhdGhzLCBm b3IgZXhhbXBsZQo+Pj4gYnkgc2tpcHBpbmcgYWxsIHRoZSBzeXN0ZW0gc3VzcGVuZC9oaWJlcm5h dGlvbiBob29rcyBpZiB0aGUgZGV2aWNlIGlzCj4+PiBydW50aW1lIHN1c3BlbmRlZCBhbHJlYWR5 LiBBY2NvcmRpbmdseSBmb3IgYWxsIG90aGVyIHBsYXRmb3JtcyB0aGUgZ29hbAo+Pj4gaXMgc3Rp bGwgdG8gcHJvcGVybHkgcG93ZXIgZG93biB0aGUgZGV2aWNlIGR1cmluZyBoaWJlcm5hdGlvbi4K Pj4+Cj4+PiB2MjoKPj4+IC0gQW5vdGhlciBHRU40IExlbm92byBsYXB0b3AgaGFkIHRoZSBzYW1l IGlzc3VlLCB3aGlsZSBwbGF0Zm9ybXMgZnJvbQo+Pj4gICBvdGhlciB2ZW5kb3JzIChpbmNsdWRp bmcgbW9iaWxlIGFuZCBkZXNrdG9wLCBHRU40IGFuZCBub24tR0VONCkgc2VlbQo+Pj4gICB0byB3 b3JrIGZpbmUuIEJhc2VkIG9uIHRoaXMgYXBwbHkgdGhlIHdvcmthcm91bmQgb24gYWxsIEdFTjQg TGVub3ZvCj4+PiAgIHBsYXRmb3Jtcy4KPj4+IC0gYWRkIGNvZGUgY29tbWVudCBhYm91dCBmYWls aW5nIHBsYXRmb3JtcyAoVmlsbGUpCj4+Pgo+Pj4gUmVmZXJlbmNlOiBodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL2FyY2hpdmVzL2ludGVsLWdmeC8yMDE1LUZlYnJ1YXJ5LzA2MDYzMy5odG1s Cj4+PiBSZXBvcnRlZC1hbmQtYmlzZWN0ZWQtYnk6IEJqw7hybiBNb3JrIDxiam9ybkBtb3JrLm5v Pgo+Pj4gU2lnbmVkLW9mZi1ieTogSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+Pgo+ PiBCasO4cm4sIEkgd291bGQgcmVhbGx5IGFwcHJlY2lhdGUgeW91ciBUZXN0ZWQtYnkgb24gdGhp cyBwYXRjaCBiZWZvcmUgSQo+PiBxdWV1ZSBpdCBmb3IgdjQuMCBhbmQgY2M6IHN0YWJsZSBmb3Ig djMuMTkuCj4KPiBObyBwcm9ibGVtLiBUaGlzIHZlcnNpb24gc3RpbGwgd29ya3MgZmluZSBmb3Ig bWUuICBGZWVsIGZyZWUgdG8gYWRkCj4KPiBUZXN0ZWQtYnk6IEJqw7hybiBNb3JrIDxiam9ybkBt b3JrLm5vPgoKUHVzaGVkIHRvIGRybS1pbnRlbC1maXhlcyB3aXRoIERhbmllbCdzIElSQyBhY2su IFRoYW5rcyBmb3IgdGhlIHBhdGNoCmFuZCB0ZXN0aW5nLgoKQlIsCkphbmkuCgoKPgo+Cj4KPiBC asO4cm4KCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50 ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwt Z2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK