From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniele Ceraolo Spurio Subject: Re: [PATCH] drm/i915/icl: do a posting read after irq install Date: Wed, 23 Jan 2019 10:38:42 -0800 Message-ID: <352aa47b-eef4-2c35-13b9-b5dbb6fdb552@intel.com> References: <20190123023227.8117-1-daniele.ceraolospurio@intel.com> <3c3d7da4-bc84-7a3e-f0c8-9f58dfb1448b@intel.com> <87bm47mwjr.fsf@gaia.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id D78866E52E for ; Wed, 23 Jan 2019 18:38:42 +0000 (UTC) In-Reply-To: <87bm47mwjr.fsf@gaia.fi.intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mika Kuoppala , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org CgpPbiAwMS8yMy8yMDE5IDAzOjQwIEFNLCBNaWthIEt1b3BwYWxhIHdyb3RlOgo+IERhbmllbGUg Q2VyYW9sbyBTcHVyaW8gPGRhbmllbGUuY2VyYW9sb3NwdXJpb0BpbnRlbC5jb20+IHdyaXRlczoK PiAKPj4gT24gMS8yMi8yMDE5IDY6MzIgUE0sIERhbmllbGUgQ2VyYW9sbyBTcHVyaW8gd3JvdGU6 Cj4+PiBXaGVuIHJlYWRpbmcgR0VOMTFfR1RfSU5UUl9EV3ggY2xvc2VseSBhZnRlciBlbmFibGlu ZyB0aGUgaW50ZXJydXB0cwo+Pj4gaW4gZ2VuMTFfaXJxX3Bvc3RpbnN0YWxsLCB0aGUgcmV0dXJu ZWQgdmFsdWUgaXMgZ2FyYmFnZS4gVGhpcyBjYW4KPj4KPj4gVG8gY2xhcmlmeSwgdGhpcyBvbmx5 IGhhcHBlbnMgKG9yIGF0IGxlYXN0IEkndmUgb25seSBzZWVuIGl0KSBkdXJpbmcKPj4gcnVudGlt ZV9yZXN1bWUuCj4+Cj4gCj4gSG93IGRpZCB5b3Ugbm90aWNlPwo+IAoKVGhlIGdlbjExIGd1YyBw YXRjaGVzIGFkZAoKCVdBUk5fT05fT05DRShnZW4xMV9yZXNldF9vbmVfaWlyKGRldl9wcml2LCAw LCBHRU4xMV9HVUMpKTsKCmluIHRoZSByZXN1bWUgcGF0aCBhbmQgd2Ugc2F3IHRoZSB3YXJuaW5n IGZpcmUgb2ZmIGluIHRlc3RpbmcuIEEgYml0IG9mIApleHRyYSBsb2dnaW5nIHNob3dlZCB0aGF0 IHRoZSB3aG9sZSByZWdpc3RlciB3YXMgaW4gYW4gaW52YWxpZCBzdGF0ZSAKYWZ0ZXIgaW50ZXJy dXB0cyB3ZXJlIHJlLWVuYWJsZWQsIG5vdCBqdXN0IHRoZSBHdUMgYml0LiAKcG1fcnBtQGJhc2lj LXBjaS1kMy1zdGF0ZSBoaXRzIHRoaXMgY29uc2lzdGVudGx5LgoKRGFuaWVsZQoKPj4gRGFuaWVs ZQo+Pgo+Pj4gY2F1c2Ugb3RoZXIgcGFydHMgb2YgdGhlIHNldHVwIGNvZGUgKGUuZy4gZ2VuMTFf cmVzZXRfb25lX2lpcikgdG8KPj4+IHRoaW5rIHRoYXQgdGhlcmUgYXJlIGludGVycnVwdHMgdG8g YmUgY2xlYXJlZCB3aGVuIHRoZXJlIGFyZSBub25lLgo+Pj4KPj4+IFRoZSBnYXJiYWdlIHZhbHVl IGlzIG9ubHkgc2VlbiBvbiB0aGUgZmlyc3QgcmVhZCBkb25lIGFmdGVyIHRoZSBlbmFibGUsCj4+ PiBzbyB0aGlzIGxvb2tzIGxpa2UgYSBwb3N0aW5nIGlzc3VlLiBBZGRpbmcgYSBwb3N0aW5nIHJl YWQgYWZ0ZXIgZW5hYmxpbmcKPj4+IHRoZSBpbnRlcnJ1cHRzIGRvZXMgaW5kZWVkIGZpeCB0aGUg cHJvYmxlbS4KPj4+Cj4+PiBOb3RlIHRoYXQgdGhlIHBvc3RpbmcgcmVhZCBoYXMgYmVlbiBwdXJw b3NlbHkgYWRkZWQgb3V0c2lkZSBvZgo+Pj4gZ2VuMTFfbWFzdGVyX2ludHJfZW5hYmxlIHNpbmNl IHRoZSBpc3N1ZSBoYXMgb25seSBiZWVuIG9ic2VydmVkIHdoZW4gdGhlCj4+PiBmdWxsIGludGVy cnVwdCBzZXR1cCBpcyBwZXJmb3JtZWQuCj4gCj4gU2NhcnkgZW5vdWdoIHRoYXQgbWF5YmUgaXQg d291bGQgaGF2ZSBiZWVuIHdhcnJhbnRlZCBpbnNpZGUgaXQuIEJ1dAo+IHdlbGwgd2Uga25vdyB3 aGVyZSB0byBlc2NhbGF0ZSBpZiBpdCBzaG93cyB1cCBlbHNld2hlcmUuCj4gCj4gQWNrZWQtYnk6 IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+IAo+Pj4KPj4+ IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPj4+IFNp Z25lZC1vZmYtYnk6IERhbmllbGUgQ2VyYW9sbyBTcHVyaW8gPGRhbmllbGUuY2VyYW9sb3NwdXJp b0BpbnRlbC5jb20+Cj4+PiAtLS0KPj4+ICAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJx LmMgfCAxICsKPj4+ICAgIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKQo+Pj4KPj4+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9pcnEuYwo+Pj4gaW5kZXggNWZkNTA4MGM0Y2NiLi43MDU2YWUyZDFlMGUg MTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4+PiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4+PiBAQCAtNDA4OSw2ICs0MDg5LDcg QEAgc3RhdGljIGludCBnZW4xMV9pcnFfcG9zdGluc3RhbGwoc3RydWN0IGRybV9kZXZpY2UgKmRl dikKPj4+ICAgIAlJOTE1X1dSSVRFKEdFTjExX0RJU1BMQVlfSU5UX0NUTCwgR0VOMTFfRElTUExB WV9JUlFfRU5BQkxFKTsKPj4+ICAgIAo+Pj4gICAgCWdlbjExX21hc3Rlcl9pbnRyX2VuYWJsZShk ZXZfcHJpdi0+cmVncyk7Cj4+PiArCVBPU1RJTkdfUkVBRChHRU4xMV9HRlhfTVNUUl9JUlEpOwo+ Pj4gICAgCj4+PiAgICAJcmV0dXJuIDA7Cj4+PiAgICB9Cl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=