From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: Re: [PATCH v2 4/4] drm/nouveau/acpi: fix lockup with PCIe runtime PM Date: Fri, 8 Jul 2016 11:30:57 +0300 Message-ID: <20160708083057.GZ23527@lahna.fi.intel.com> References: <20160707233827.2100-1-peter@lekensteyn.nl> <20160707233827.2100-5-peter@lekensteyn.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20160707233827.2100-5-peter-VTkQYDcBqhK7DlmcbJSQ7g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Peter Wu Cc: linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Bjorn Helgaas , nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Dave Airlie List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBKdWwgMDgsIDIwMTYgYXQgMDE6Mzg6MjdBTSArMDIwMCwgUGV0ZXIgV3Ugd3JvdGU6 Cj4gU2luY2UgIlBDSTogQWRkIHJ1bnRpbWUgUE0gc3VwcG9ydCBmb3IgUENJZSBwb3J0cyIsIHRo ZSBwYXJlbnQgUENJZSBwb3J0Cj4gY2FuIGJlIHJ1bnRpbWUtc3VzcGVuZGVkIHdoaWNoIGRpc2Fi bGVzIHBvd2VyIHJlc291cmNlcyB2aWEgQUNQSS4gVGhpcwo+IGlzIGluY29tcGF0aWJsZSB3aXRo IERTTSwgcmVzdWx0aW5nIGluIGEgR1BVIGRldmljZSB3aGljaCBpcyBzdGlsbCBpbiBEMwo+IGFu ZCBsb2NrcyB1cCB0aGUga2VybmVsIG9uIHJlc3VtZSAob24gYSBDbGV2byBQNjUxUkEsIEdUWDk2 NU0pLgo+IAo+IE1pcnJvciB0aGUgYmVoYXZpb3Igb2YgV2luZG93cyA4IGFuZCBuZXdlclsxXSAo YXMgb2JzZXJ2ZWQgdmlhIGFuIEFNTGkKPiBkZWJ1Z2dlciB0cmFjZSkgYW5kIHN0b3AgdXNpbmcg dGhlIERTTSBmdW5jdGlvbnMgZm9yIEQzY29sZCB3aGVuIHBvd2VyCj4gcmVzb3VyY2VzIGFyZSBh dmFpbGFibGUgb24gdGhlIHBhcmVudCBQQ0llIHBvcnQuCj4gCj4gcGNpX2QzY29sZF9kaXNhYmxl KCkgaXMgbm90IHVzZWQgYmVjYXVzZSBvbiBzb21lIG1hY2hpbmVzLCB0aGUgb2xkIERTTQo+IG1l dGhvZCBpcyBicm9rZW4uIE9uIGEgTGVub3ZvIFQ0NDBwIChHVCA3MzBNKSBtZW1vcnkgYW5kIGRp c2sgY29ycnVwdGlvbgo+IHdvdWxkIG9jY3VyLCBidXQgdGhhdCBpcyBmaXhlZCB3aXRoIHRoaXMg cGF0Y2hbMl0uCgpGYWlyIGVub3VnaC4KCj4gIFsxXTogaHR0cHM6Ly9tc2RuLm1pY3Jvc29mdC5j b20vd2luZG93cy9oYXJkd2FyZS9kcml2ZXJzL2JyaW5ndXAvZmlybXdhcmUtcmVxdWlyZW1lbnRz LWZvci1kM2NvbGQKPiAgWzJdOiBodHRwczovL2dpdGh1Yi5jb20vQnVtYmxlYmVlLVByb2plY3Qv YmJzd2l0Y2gvaXNzdWVzLzc4I2lzc3VlY29tbWVudC0yMjM1NDkwNzIKPiAKPiAgdjI6IHNpbXBs eSBjaGVjayBkaXJlY3RseSBmb3IgX1BSMy4gQWRkZWQgYWZmZWN0ZWQgbWFjaGluZXMuCj4gCj4g U2lnbmVkLW9mZi1ieTogUGV0ZXIgV3UgPHBldGVyQGxla2Vuc3RleW4ubmw+CgpPbmUgbml0cGlj ayBiZWxvdyBidXQgb3RoZXJ3aXNlIGxvb2tzIHJlYXNvbmFibGUgdG8gbWUuCgpSZXZpZXdlZC1i eTogTWlrYSBXZXN0ZXJiZXJnIDxtaWthLndlc3RlcmJlcmdAbGludXguaW50ZWwuY29tPgoKQlRX LCB0aGFua3MgZm9yIGRvaW5nIHRoaXMgOikKCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9ub3V2 ZWF1L25vdXZlYXVfYWNwaS5jIHwgMzMgKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0t Cj4gIDEgZmlsZSBjaGFuZ2VkLCAyOSBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+IAo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbm91dmVhdS9ub3V2ZWF1X2FjcGkuYyBiL2Ry aXZlcnMvZ3B1L2RybS9ub3V2ZWF1L25vdXZlYXVfYWNwaS5jCj4gaW5kZXggYWQyNzNhZC4uMzhh NjQ0NSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vbm91dmVhdS9ub3V2ZWF1X2FjcGku Ywo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9ub3V2ZWF1L25vdXZlYXVfYWNwaS5jCj4gQEAgLTQ2 LDYgKzQ2LDcgQEAgc3RhdGljIHN0cnVjdCBub3V2ZWF1X2RzbV9wcml2IHsKPiAgCWJvb2wgZHNt X2RldGVjdGVkOwo+ICAJYm9vbCBvcHRpbXVzX2RldGVjdGVkOwo+ICAJYm9vbCBvcHRpbXVzX2Zs YWdzX2RldGVjdGVkOwo+ICsJYm9vbCBvcHRpbXVzX3NraXBfZHNtOwo+ICAJYWNwaV9oYW5kbGUg ZGhhbmRsZTsKPiAgCWFjcGlfaGFuZGxlIHJvbV9oYW5kbGU7Cj4gIH0gbm91dmVhdV9kc21fcHJp djsKPiBAQCAtMjEyLDkgKzIxMywyNiBAQCBzdGF0aWMgY29uc3Qgc3RydWN0IHZnYV9zd2l0Y2hl cm9vX2hhbmRsZXIgbm91dmVhdV9kc21faGFuZGxlciA9IHsKPiAgCS5nZXRfY2xpZW50X2lkID0g bm91dmVhdV9kc21fZ2V0X2NsaWVudF9pZCwKPiAgfTsKPiAgCj4gKy8qIEZpcm13YXJlIHN1cHBv cnRpbmcgV2luZG93cyA4IG9yIGxhdGVyIGRvIG5vdCB1c2UgX0RTTSB0byBwdXQgdGhlIGRldmlj ZSBpbnRvCj4gKyAqIEQzY29sZCwgdGhleSBpbnN0ZWFkIHJlbHkgb24gZGlzYWJsaW5nIHBvd2Vy IHJlc291cmNlcyBvbiB0aGUgcGFyZW50LiAqLwoKWW91IHNob3VsZCBmb2xsb3cgc3RhbmRhcmQg YmxvY2sgY29tbWVudCBzdHlsZSBoZXJlLgoKPiArc3RhdGljIGJvb2wgbm91dmVhdV9wcjNfcHJl c2VudChzdHJ1Y3QgcGNpX2RldiAqcGRldikKPiArewo+ICsJc3RydWN0IHBjaV9kZXYgKnBhcmVu dF9wZGV2ID0gcGNpX3Vwc3RyZWFtX2JyaWRnZShwZGV2KTsKPiArCXN0cnVjdCBhY3BpX2Rldmlj ZSAqcGFyZW50X2FkZXY7Cj4gKwo+ICsJaWYgKCFwYXJlbnRfcGRldikKPiArCQlyZXR1cm4gZmFs c2U7Cj4gKwo+ICsJcGFyZW50X2FkZXYgPSBBQ1BJX0NPTVBBTklPTigmcGFyZW50X3BkZXYtPmRl dik7Cj4gKwlpZiAoIXBhcmVudF9hZGV2KQo+ICsJCXJldHVybiBmYWxzZTsKPiArCj4gKwlyZXR1 cm4gYWNwaV9oYXNfbWV0aG9kKHBhcmVudF9hZGV2LT5oYW5kbGUsICJfUFIzIik7Cj4gK30KX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTm91dmVhdSBtYWls aW5nIGxpc3QKTm91dmVhdUBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9ub3V2ZWF1Cg==