From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maarten Lankhorst Subject: Re: [PATCH] drm/i915: Assert we hold the CRTC powerwell for generating vblank interrupts Date: Tue, 11 Oct 2016 08:17:22 +0200 Message-ID: <6925210f-e485-64de-e0be-17fe03887924@linux.intel.com> References: <20161010113454.7249-1-chris@chris-wilson.co.uk> <20161010114201.GB4329@intel.com> <20161010114632.GA16122@nuc-i3427.alporthouse.com> <20161010115640.GC4329@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id A61856E263 for ; Tue, 11 Oct 2016 06:17:25 +0000 (UTC) In-Reply-To: <20161010115640.GC4329@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T3AgMTAtMTAtMTYgb20gMTM6NTYgc2NocmVlZiBWaWxsZSBTeXJqw6Rsw6Q6Cj4gT24gTW9uLCBP Y3QgMTAsIDIwMTYgYXQgMTI6NDY6MzJQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+PiBP biBNb24sIE9jdCAxMCwgMjAxNiBhdCAwMjo0MjowMVBNICswMzAwLCBWaWxsZSBTeXJqw6Rsw6Qg d3JvdGU6Cj4+PiBPbiBNb24sIE9jdCAxMCwgMjAxNiBhdCAxMjozNDo1NFBNICswMTAwLCBDaHJp cyBXaWxzb24gd3JvdGU6Cj4+Pj4gVG8gZW5hYmxlIHRoZSB2YmxhbmsgaXRzZWxmLCB3ZSBuZWVk IHRvIGhhdmUgYW4gUlBNIHdha2VyZWYgZm9yIHRoZSBtbWlvCj4+Pj4gYWNjZXNzLCBhbmQgd2hp bHN0IGdlbmVyYXRpbmcgdGhlIHZibGFuayBpbnRlcnJ1cHRzIHdlIGNvbnRpbnVlIHRvCj4+Pj4g cmVxdWlyZSB0aGUgcnBtIHdha2VyZWYuIFRoZSBhc3N1bXB0aW9uIGlzIHRoYXQgdGhlIFJQTSB3 YWtlcmVmIGlzIGhlbGQKPj4+PiBieSB0aGUgZGlzcGxheSBwb3dlcndlbGwgaGVsZCBieSB0aGUg YWN0aXZlIHBpcGUuIEFzIHRoaXMgY2hhaW4gd2FzIG5vdAo+Pj4+IG9idmlvdXMgdG8gbWUgY2hh c2luZyB0aGUgZHJtX3dhaXRfdmJsYW5rIGlvY3RsLCBkb2N1bWVudCBpdCB3aXRoIGEgV0FSTgo+ Pj4+IGR1cmluZyAqX3ZibGFua19lbmFibGUoKS4KPj4+Pgo+Pj4+IHYyOiBDaGVjayB0aGUgZGlz cGxheSBwb3dlciB3ZWxsIHJhdGhlciB0aGFuIGRpZ2dpbmcgaW5zaWRlIHRoZSBhdG9taWMKPj4+ PiBDUlRDIHN0YXRlLgo+Pj4+Cj4+Pj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJp c0BjaHJpcy13aWxzb24uY28udWs+Cj4+Pj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3ly amFsYUBsaW51eC5pbnRlbC5jb20+Cj4+Pj4gQ2M6IE1hYXJ0ZW4gTGFua2hvcnN0IDxtYWFydGVu Lmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cj4+Pj4gLS0tCj4+Pj4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfaXJxLmMgfCAyMCArKysrKysrKysrKysrKysrKysrKwo+Pj4+ICAxIGZpbGUg Y2hhbmdlZCwgMjAgaW5zZXJ0aW9ucygrKQo+Pj4+Cj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfaXJxLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5j Cj4+Pj4gaW5kZXggMWU0M2ZlMzBkYTExLi5mMGYxNzA1NWRiYjkgMTAwNjQ0Cj4+Pj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+Pj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfaXJxLmMKPj4+PiBAQCAtMjcxNSw2ICsyNzE1LDE0IEBAIHZvaWQgaTkxNV9o YW5kbGVfZXJyb3Ioc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAo+Pj4+ICAJaTkx NV9yZXNldF9hbmRfd2FrZXVwKGRldl9wcml2KTsKPj4+PiAgfQo+Pj4+ICAKPj4+PiArc3RhdGlj IHZvaWQgYXNzZXJ0X3BpcGVfaXNfYXdha2Uoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9w cml2LAo+Pj4+ICsJCQkJIGVudW0gcGlwZSBwaXBlKQo+Pj4+ICt7Cj4+Pj4gKwlXQVJOX09OKElT X0VOQUJMRUQoQ09ORklHX0RSTV9JOTE1X0RFQlVHKSAmJgo+Pj4+ICsJCSFpbnRlbF9kaXNwbGF5 X3Bvd2VyX2lzX2VuYWJsZWQoZGV2X3ByaXYsCj4+Pj4gKwkJCQkJCVBPV0VSX0RPTUFJTl9QSVBF KHBpcGUpKSk7Cj4+PiBVc2VzIGEgbXV0ZXguIEFuZCBoYXZpbmcgYSBwb3dlciB3ZWxsIGVuYWJs ZWQgZG9lc24ndCBtZWFuIG11Y2guIEl0Cj4+PiBkb2Vzbid0IGd1YXJhbnRlZSB0aGF0IHZibGFu a3Mgd29yay4KPj4gSW1wYXNzZS4gOnwKPj4KPj4gVGhlcmUgc2hvdWxkIGJlIG5vIHBvaW50IGlu IGFuIGV4cGxpY2l0IGFzc2VydF9ycG1fd2FrZXJlZiBoZXJlIGFzIHRoZQo+PiByZWdpc3RlciBh Y2Nlc3Mgc2hvdWxkIGNhdGNoIGFuIGVycm9yIHRoZXJlLiBJcyB0aGVyZSBubyBzYWZlIHdheSB3 ZSBjYW4KPj4gYXNzZXJ0IHRoZSBjdXJyZW50IHN0YXRlIG9mIHRoZSBDUlRDIGlzIGNvcnJlY3Qg Zm9yIGVuYWJsaW5nIHZibGFua3M/Cj4gY3J0Yy0+YWN0aXZlIG1pZ2h0IGJlIHRoZSBjbG9zZXN0 IHRoaW5nLCBpZiB3ZSBqdXN0IGlnbm9yZSBhbnkgbG9ja2luZy4KPiBUaG91Z2ggaXQgbG9va3Mg bGlrZSB0aGF0IGhhcyBnb25lIGEgYml0IG1hZCB0aGVzZSBkYXlzLCB3aGF0IHdpdGggYmVpbmcK PiBzZXQgZnJvbSB0aGUgLmNydGNfZW5hYmxlKCkgaG9va3MgYnV0IGdldHRpbmcgY2xlYXJlZCBv dXRzaWRlIHRoZQo+IC5jcnRjX2Rpc2FibGUoKSBob29rcy4KPgpJJ20gdHJ5aW5nIHRvIGtpbGwg Y3J0Yy0+YWN0aXZlLiBNYXliZSB5b3UnZCB3YW50IHRvIHVzZSBkZXZfcHJpdi0+YWN0aXZlX2Ny dGNzLCBidXQgdGhhdCB3b24ndCBzYXZlIHlvdSBpZiB5b3UgZW5hYmxlIGludGVycnVwdHMgaW4g YmV0d2VlbiBhdG9taWMgY29tbWl0IGFuZCAuY3J0Y19kaXNhYmxlCgpTYWZlc3QgYmV0IGlzIHRv IGxvb2sgYXQgdGhlIHBvd2VyIHN0YXRlIEkgdGhpbmsuCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK