From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH 1/2] drm/i915/psr: Fix race in intel_psr_work() Date: Mon, 25 Jun 2018 17:10:46 -0700 Message-ID: <20180626001046.GG3008@intel.com> References: <20180625054741.3919-1-dhinakaran.pandiyan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id E77086E272 for ; Tue, 26 Jun 2018 00:10:46 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180625054741.3919-1-dhinakaran.pandiyan@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dhinakaran Pandiyan Cc: intel-gfx@lists.freedesktop.org, Dhinakaran Pandiyan List-Id: intel-gfx@lists.freedesktop.org T24gU3VuLCBKdW4gMjQsIDIwMTggYXQgMTA6NDc6NDBQTSAtMDcwMCwgRGhpbmFrYXJhbiBQYW5k aXlhbiB3cm90ZToKPiBDb21taXQgNTQyMmIzN2M5MDdlICgiZHJtL2k5MTUvcHNyOiBLaWxsIGRl bGF5cyB3aGVuIGFjdGl2YXRpbmcgcHNyCj4gYmFjay4iKSBzd2l0Y2hlZCBmcm9tIGRlbGF5ZWQg d29yayB0byB0aGUgcGxhaW4gdmFyaWFudCBhbmQgd2hpbGUgZG9pbmcgc28KPiByZW1vdmVkIHRo ZSBjaGVjayBmb3Igd29ya19idXN5KCkgYmVmb3JlIHNjaGVkdWxpbmcgYSBQU1IgYWN0aXZhdGlv bi4KPiBUaGlzIGFwcGVhcnMgdG8gY2F1c2UgY29uc2VjdXRpdmUgZXhlY3V0aW9ucyBvZiBwc3Jf YWN0aXZhdGUoKSBpbiB0aGlzCj4gc2NlbmFyaW8gLSBhZnRlciBhIHdvcmtlciBwaWNrcyB1cCB0 aGUgUFNSIHdvcmsgaXRlbSBmb3IgZXhlY3V0aW9uIGFuZAo+IGJlZm9yZSB0aGUgd29yayBmdW5j dGlvbiBjYW4gYWNxdWlyZSB0aGUgUFNSIG11dGV4LCBhIHBzcl9mbHVzaCgpIGNhbgo+IGdldCBo b2xkIG9mIHRoZSBtdXRleCBhbmQgc2NoZWR1bGUgYW5vdGhlciBQU1Igd29yay4gV2l0aG91dCBh IHBzcl9leGl0KCkKPiBiZXR3ZWVuIHRoZSB0d28gcHNyX2FjdGl2YXRlKCkgY2FsbHMsIHdhcm5p bmcgbWVzc2FnZXMgZ2V0IHByaW50ZWQuCj4gRnVydGhlciwgc2luY2Ugd2UgZHJvcCB0aGUgbXV0 ZXggaW4gdGhlIG1pZHN0IG9mIHBzcl93b3JrKCkgdG8gd2FpdCBmb3IKPiBQU1IgdG8gaWRsZSwg YW5vdGhlciB3b3JrIGl0ZW0gY2FuIGFsc28gZ2V0IHNjaGVkdWxlZC4gRml4IHRoaXMgYnkKPiBy ZXR1cm5pbmcgaWYgUFNSIHdhcyBhbHJlYWR5IGFjdGl2ZS4KCjooIG15IGJhZCBhZ2Fpbiwgc29y cnkuLi4KClJldmlld2VkLWJ5OiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+ Cgo+IAo+IEZpeGVzOiA1NDIyYjM3YzkwN2UgKCJkcm0vaTkxNS9wc3I6IEtpbGwgZGVsYXlzIHdo ZW4gYWN0aXZhdGluZyBwc3IgYmFjay4iKQo+IEJ1Z3ppbGxhOiBodHRwczovL2J1Z3MuZnJlZWRl c2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDY5NDgKPiBDYzogUm9kcmlnbyBWaXZpIDxyb2Ry aWdvLnZpdmlAaW50ZWwuY29tPgo+IENjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogSm9zw6kgUm9iZXJ0byBkZSBTb3V6YSA8am9zZS5zb3V6YUBpbnRlbC5j b20+Cj4gU2lnbmVkLW9mZi1ieTogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5k aXlhbkBpbnRlbC5jb20+Cj4gUmV2aWV3ZWQtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMt d2lsc29uLmNvLnVrPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyB8 IDIgKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4g Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiBpbmRleCBhZWE4MWFjZTg1NGIuLjdhYTMyNGYw ZDFmNyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gQEAgLTgxMSw3ICs4MTEsNyBA QCBzdGF0aWMgdm9pZCBpbnRlbF9wc3Jfd29yayhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4g IAkgKiByZWNoZWNrLiBTaW5jZSBwc3JfZmx1c2ggZmlyc3QgY2xlYXJzIHRoaXMgYW5kIHRoZW4g cmVzY2hlZHVsZXMgd2UKPiAgCSAqIHdvbid0IGV2ZXIgbWlzcyBhIGZsdXNoIHdoZW4gYmFpbGlu ZyBvdXQgaGVyZS4KPiAgCSAqLwo+IC0JaWYgKGRldl9wcml2LT5wc3IuYnVzeV9mcm9udGJ1ZmZl cl9iaXRzKQo+ICsJaWYgKGRldl9wcml2LT5wc3IuYnVzeV9mcm9udGJ1ZmZlcl9iaXRzIHx8IGRl dl9wcml2LT5wc3IuYWN0aXZlKQo+ICAJCWdvdG8gdW5sb2NrOwo+ICAKPiAgCWludGVsX3Bzcl9h Y3RpdmF0ZShkZXZfcHJpdi0+cHNyLmVuYWJsZWQpOwo+IC0tIAo+IDIuMTQuMQo+IAo+IF9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1h aWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK