From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH] drm/i915: Wait for vblank after register read Date: Fri, 20 Apr 2018 13:56:21 -0700 Message-ID: <1524257781.24522.13.camel@dk-H97M-D3H> References: <1524038216-22142-1-git-send-email-mika.kahola@intel.com> <1524121385.16539.22.camel@intel.com> <20180420181531.GA1310@intel.com> Reply-To: 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 115496E27C for ; Fri, 20 Apr 2018 20:31:40 +0000 (UTC) In-Reply-To: <20180420181531.GA1310@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Rodrigo Vivi Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE4LTA0LTIwIGF0IDExOjE1IC0wNzAwLCBSb2RyaWdvIFZpdmkgd3JvdGU6Cj4g T24gVGh1LCBBcHIgMTksIDIwMTggYXQgMTA6MDM6MDVBTSArMDMwMCwgTWlrYSBLYWhvbGEgd3Jv dGU6Cj4gPiBPbiBUaHUsIDIwMTgtMDQtMTkgYXQgMDk6MTEgKzAzMDAsIExvZnN0ZWR0LCBNYXJ0 YSB3cm90ZToKPiA+ID4gRm9yIHRoZSBQVyByZXN1bHRzOiAKPiA+ID4gaHR0cHM6Ly9wYXRjaHdv cmsuZnJlZWRlc2t0b3Aub3JnL3Nlcmllcy80MTg3Ny8KPiA+ID4gCj4gPiA+IGl0IGRpZG4ndCBm aXggdGhlIENSQyBtaXNtYXRjaCBvbjoKPiA+ID4gIGh0dHBzOi8vaW50ZWwtZ2Z4LWNpLjAxLm9y Zy90cmVlL2RybS10aXAvUGF0Y2h3b3JrXzg3MzEvc2hhcmQtCj4gPiA+IHNuYjYvaWd0QGttc19m cm9udGJ1ZmZlcl90cmFja2luZ0BmYmMtMXAtcHJpLWluZGZiLW11bHRpZHJhdy5odG1sCj4gPiBU aGlzIHdhcyBleHBlY3RlZCB0aGF0IHJlbW92aW5nIG9uZSB2YmxhbmsgZG9lc24ndCBmaXggaGF2 ZSBhbiBlZmZlY3QKPiA+IG9uIGNyYyBtaXNtYXRjaGVzLiBUaGVyZXMgc29tZXRoaW5nIG1vcmUg aW4gdGhpcyBpc3N1ZS4KPiA+IAo+ID4gPiAKPiA+ID4gYnV0IHRoYXQgdGVzdCBoYXMgYWx3YXlz IGZhaWxlZCBvbiBTTkI6IAo+ID4gPiBodHRwOi8vZ2Z4LWNpLmZpLmludGVsLmNvbS9jaWJ1Z2xv Zy8/YWN0aW9uX2ZhaWx1cmVzX2hpc3Rvcnk9LTEmZmFpbHUKPiA+ID4gcmVzX3Rlc3Q9aWd0QGtt c19mcm9udGJ1ZmZlcl90cmFja2luZ0BmYmMtMXAtcHJpLWluZGZiLQo+ID4gPiBtdWx0aWRyYXcm ZmFpbHVyZXNfbWFjaGluZT1zaGFyZC1zbmIKPiA+ID4gCj4gPiA+IHNvIEkgZG9uJ3QgdGhpbmsg eW91IGJyYWtlIGFueXRoaW5nIHdpdGggdGhpcyBwYXRjaC4KPiA+ID4gCj4gPiA+IE1pa2EsIGRv IHlvdSBrbm93IGlmIHdhaXRpbmcgZm9yIHRoZSBleHRyYSB2Ymxhbmsgd2FzIGRvbmUgd2l0aCBz b21lCj4gPiA+IHB1cnBvc2U/Cj4gPiBUaGF0IEkgZG9uJ3Qga25vdyBpZiBpdCB3YXMgaW50ZW50 aW9uYWwuIEknbGwgdHJ5IHRvIGZpbmQgb3V0IHdoeSBpdAo+ID4gd2FzIG5lZWRlZC4KPiAKPiBz aW5rIENSQyBjYWxjdWxhdGlvbiBzdGFydHMgb24gdGhlIG5leHQgYWN0aXZlIGZyYW1lIGFuZCB0 YWtlcyBhIGZ1bGwKPiBmcmFtZSB0byBmaW5pc2ggdGhlIGNhbGN1bGF0aW9uLiBTbyAyIHZibGFu a3MgYmVmb3JlIHRoZSByZXN1bHQgaXMgcmVhZHkuCj4gCj4gSSBkb24ndCBiZWxpZXZlIHdlIHNo b3VsZCBtb3ZlIGl0IGZvciBhZnRlciByZWFkaW5nIGl0Lgo+IAo+IEJ1dCBpdCBpcyBhIGZhY3Qg dGhhdCB0aGlzIHNpbmsgY3JjIHdhcyBhbHdheXMgb25seSBhIGhlYWRhY2hlLgo+IElmIHdlIG1h bmFnZSB0byBtb3ZlIFBTUiB0ZXN0cyB0byB1c2UgdGhlIGludGVycnVwdHMgYW5kIHN0YXR1cyBi aXRzIG9ubHkKPiB0aGFuIHdlIHdpbGwgYmUgYWJsZSB0byBraWxsIHRoaXMgc2luayBjcmMgY29k ZSBlbnRpcmVseS4uLi4KWXVwLgoKUGF0Y2ggaGFzIG5vdGhpbmcgdG8gZG8gd2l0aCB0aGUgYnVn IHRoYXQgaXQgaXMgdHJ5aW5nIHRvIGZpeC4gVGhlIHRlc3QKZG9lc24ndCByZWFkIHNpbmstY3Jj J3MsIHNvIEkgZG9uJ3QgdGhpbmsgZXZlbiBhIFJlZmVyZW5jZXMgdGFnIGlzCmFwcHJvcHJpYXRl IGhlcmUuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=