From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun Siluvery Subject: Re: [PATCH] drm/i915: Clear pending reset requests during suspend Date: Tue, 19 Jan 2016 15:04:09 +0000 Message-ID: <569E5069.4080307@linux.intel.com> References: <1452768585-18661-1-git-send-email-arun.siluvery@linux.intel.com> <20160119120928.GC19130@phenom.ffwll.local> <20160119134804.GE26573@nuc-i3427.alporthouse.com> <20160119140440.GF19130@phenom.ffwll.local> <20160119141343.GF26573@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id C30776E776 for ; Tue, 19 Jan 2016 07:04:11 -0800 (PST) In-Reply-To: <20160119141343.GF26573@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Daniel Vetter , intel-gfx@lists.freedesktop.org, Mika Kuoppala List-Id: intel-gfx@lists.freedesktop.org T24gMTkvMDEvMjAxNiAxNDoxMywgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IE9uIFR1ZSwgSmFuIDE5 LCAyMDE2IGF0IDAzOjA0OjQwUE0gKzAxMDAsIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4+IE9uIFR1 ZSwgSmFuIDE5LCAyMDE2IGF0IDAxOjQ4OjA1UE0gKzAwMDAsIENocmlzIFdpbHNvbiB3cm90ZToK Pj4+IE9uIFR1ZSwgSmFuIDE5LCAyMDE2IGF0IDAxOjA5OjI4UE0gKzAxMDAsIERhbmllbCBWZXR0 ZXIgd3JvdGU6Cj4+Pj4gT24gVGh1LCBKYW4gMTQsIDIwMTYgYXQgMTA6NDk6NDVBTSArMDAwMCwg QXJ1biBTaWx1dmVyeSB3cm90ZToKPj4+Pj4gUGVuZGluZyByZXNldCByZXF1ZXN0cyBhcmUgY2xl YXJlZCBiZWZvcmUgc3VzcGVuZGluZywgdGhleSBzaG91bGQgYmUgcGlja2VkIHVwCj4+Pj4+IGFm dGVyIHJlc3VtZSB3aGVuIG5ldyB3b3JrIGlzIHN1Ym1pdHRlZC4KPj4+Pj4KPj4+Pj4gVGhpcyBp cyBvcmlnaW5hbGx5IGFkZGVkIGFzIHBhcnQgb2YgVERSIHBhdGNoZXMgZm9yIEdlbjggZnJvbSBU b21hcyBFbGYgd2hpY2gKPj4+Pj4gYXJlIHVuZGVyIHJldmlldywgYXMgc3VnZ2VzdGVkIGJ5IENo cmlzIHRoaXMgaXMgZXh0cmFjdGVkIGFzIGEgc2VwYXJhdGUgcGF0Y2gKPj4+Pj4gYXMgaXQgY2Fu IGJlIHVzZWZ1bCBub3cuCj4+Pj4+Cj4+Pj4+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3Bw YWxhQGludGVsLmNvbT4KPj4+Pj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgo+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBBcnVuIFNpbHV2ZXJ5IDxhcnVuLnNpbHV2ZXJ5 QGxpbnV4LmludGVsLmNvbT4KPj4+Pgo+Pj4+IFB1bGxpbmcgaW4gdGhlIGRpc2N1c3Npb24gd2Ug aGFkIGZyb20gaXJjOiBJbW8gdGhlIHJpZ2h0IGFwcHJvYWNoIGlzIHRvCj4+Pj4gc2ltcGx5IHdh aXQgZm9yIGdwdSByZXNldCB0byBmaW5pc2ggaXQncyBqb2IuIFNpbmNlIHRoYXQgY291bGQgaW4g dHVybgo+Pj4+IGxlYWQgdG8gYSBkZWFkIGdwdSAoaWYgd2UncmUgdW5sdWNreSBhbmQgaW5pdF9o dyBmYWlsZWQpIHdlJ2QgbmVlZCB0byBkbwo+Pj4+IHRoYXQgaW4gYSBsb29wIGFyb3VuZCBnZW1f aWRsZS4gQW5kIGRyb3AgZGV2LT5zdHJ1Y3RfbXV0ZXggaW4tYmV0d2Vlbi4KPj4+PiBFLmcuCj4+ Pj4KPj4+PiB3aGlsZSAoYnVzeSkgewo+Pj4+IAltdXRleF9sb2NrKCk7Cj4+Pj4gCWdwdV9pZGxl KCk7Cj4+Pj4gCW11dGV4X3VubG9jaygpOwo+Pj4+Cj4+Pj4gCWZsdXNoX3dvcmsocmVzZXRfd29y ayk7Cj4+Pj4gfQo+Pj4KPj4+IFdoZXJlIGRvZXMgdGhlIHJlcXVpcmVtZW50IGZvciBncHVfaWRs ZSBjb21lIGZyb20/IElmIHRoZXJlIGlzIGEgZ2xvYmFsCj4+PiByZXNldCBpbiBwcm9ncmVzcywg aXQgY2Fubm90IHF1ZXVlIGEgcmVxdWVzdCB0byBmbHVzaCB0aGUgd29yayBhbmQKPj4+IHdhaXRp bmcgb24gdGhlIG9sZCByZXN1bHRzIHdpbGwgYmUgc2tpcHBlZC4gU28ganVzdCB3YWl0IGZvciB0 aGUgZ2xvYmFsCj4+PiByZXNldCB0byBjb21wbGV0ZSwgaS5lLiBmbHVzaF93b3JrKCkuCj4+Cj4+ IFllcywgYnV0IHRoZSBnbG9iYWwgcmVzZXQgbWlnaHQgaW4gdHVybiBsZWF2ZSBhIHdyZWNrZWQg Z3B1IGJlaGluZCwgb3IgYXQKPj4gbGVhc3QgYSBub24taWRsZSBvbmUuIEhlbmNlIGFub3RoZXIg Z3B1X2lkbGUgb24gdG9wLCB0byBtYWtlIHN1cmUuIElmIHdlCj4+IGNoYW5nZSBpbml0X2h3KCkg b2YgZW5naW5lcyB0byBiZSBzeW5jaHJvbm91cyB0aGVuIHdlIHNob3VsZCBoYXZlIGF0IGxlYXN0 Cj4+IGEgV0FSTl9PTihub3RfaWRsZV9idXRfaV9leHBlY3RlZF9zbygpKTsgaW4gdGhlcmUgLi4u CgpncHVfZXJyb3Iud29yayBpcyByZW1vdmVkIGluIGI4ZDI0YTA2NTY4MzY4MDc2ZWJkNWE4NThh MDExNjk5YTk3YmZhNDIsIAp3ZSBhcmUgZG9pbmcgcmVzZXQgaW4gaGFuZ2NoZWNrIHdvcmsgaXRz ZWxmIHNvIEkgdGhpbmsgdGhlcmUgaXMgbm8gbmVlZCAKdG8gZmx1c2ggd29yay4KCndoaWxlIChp OTE1X3Jlc2V0X2luX3Byb2dyZXNzKGdwdV9lcnJvcikgJiYKICAgICAgICAhaTkxNV90ZXJtaW5h bGx5X3dlZGdlZChncHVfZXJyb3IpKSB7CiAgICAgICAgIGludCByZXQ7CgogICAgICAgICBtdXRl eF9sb2NrKCZkZXYtPnN0cnVjdF9tdXRleCk7CiAgICAgICAgIHJldCA9IGk5MTVfZ3B1X2lkbGUo ZGV2KTsKICAgICAgICAgaWYgKHJldCkKICAgICAgICAgICAgICAgICBEUk1fRVJST1IoIkdQVSBp cyBpbiBpbmNvbnNpc3RlbnQgc3RhdGUgYWZ0ZXIgcmVzZXRcbiIpOwogICAgICAgICBtdXRleF91 bmxvY2soJmRldi0+c3RydWN0X211dGV4KTsKfQoKSWYgdGhlIHJlc2V0IGlzIHN1Y2Nlc3NmdWwg d2UgYXJlIGlkbGUgYmVmb3JlIHN1c3BlbmQgb3RoZXJ3aXNlIGluIGEgCndlZGdlZCBzdGF0ZS4g aXMgdGhpcyBvaz8KCnJlZ2FyZHMKQXJ1bgoKPgo+IERvZXMgaXQgbWF0dGVyIG9uIHN1c3BlbmQ/ IFdlIHRlc3Qgb24gcmVzdW1lIGlmIHRoZSBHUFUgaXMgdXNhYmxlLCBidXQKPiBpZiB3ZSB3YW50 ZWQgdG8gdGVzdCBvbiBzdXNwZW5kIHRoZW4gd2Ugc2hvdWxkIGRvCj4KPiBmbHVzaF93b3JrKCk7 Cj4gaWYgKGk5MTVfdGVybWluYWxseV93ZWRnZWQoKSkKPiAgICAgLyogb2ggbm9lcyAqLzsKPiAt Q2hyaXMKPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK