From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: RFC for a render API to support adaptive sync and VRR Date: Mon, 23 Apr 2018 14:19:44 -0700 Message-ID: <20180423211944.GC9472@intel.com> References: <435ebd04-0435-5a6a-9f1e-e4c4fc629aa9@amd.com> <20180409214554.GB13967@intel.com> <1e8d1857-faba-85da-0136-ea7c29ec1b84@amd.com> <87o9ihyxl1.fsf@keithp.com> <20180420203240.GA9472@intel.com> <488ba81c-9a40-77d3-fb71-ee0df7f9b42f@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <488ba81c-9a40-77d3-fb71-ee0df7f9b42f@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Harry Wentland Cc: Keith Packard , Nicolai =?iso-8859-1?Q?H=E4hnle?= , Daniel Vetter , Michel =?iso-8859-1?Q?D=E4nzer?= , Michel =?iso-8859-1?Q?D=E4nzer?= , dri-devel , amd-gfx mailing list , "Deucher, Alexander" , "Koo, Anthony" , Christian =?iso-8859-1?Q?K=F6nig?= List-Id: amd-gfx.lists.freedesktop.org T24gTW9uLCBBcHIgMjMsIDIwMTggYXQgMTA6NDA6MDZBTSAtMDQwMCwgSGFycnkgV2VudGxhbmQg d3JvdGU6Cj4gT24gMjAxOC0wNC0yMCAwNDozMiBQTSwgTWFuYXNpIE5hdmFyZSB3cm90ZToKPiA+ IE9uIFdlZCwgQXByIDE4LCAyMDE4IGF0IDA5OjM5OjAyQU0gKzAyMDAsIERhbmllbCBWZXR0ZXIg d3JvdGU6Cj4gPj4gT24gV2VkLCBBcHIgMTgsIDIwMTggYXQgNTo1OCBBTSwgS2VpdGggUGFja2Fy ZCA8a2VpdGhwQGtlaXRocC5jb20+IHdyb3RlOgo+ID4+PiBNaWNoZWwgRMOkbnplciA8bWljaGVs QGRhZW56ZXIubmV0PiB3cml0ZXM6Cj4gPj4+PiBUaW1lLWJhc2VkIHByZXNlbnRhdGlvbiBzZWVt cyB0byBiZSB0aGUgcmlnaHQgYXBwcm9hY2ggZm9yIHByZXZlbnRpbmcKPiA+Pj4+IG1pY3JvLXN0 dXR0ZXIgaW4gZ2FtZXMgYXMgd2VsbCwgQ3JvdGVhbSBkZXZlbG9wZXJzIGhhdmUgYmVlbiByZXNl YXJjaGluZwo+ID4+Pj4gdGhpcy4KPiA+Pj4KPiA+Pj4gQm90aCB0aGUgVnVsa2FuIEdPT0dMRV9k aXNwbGF5X3RpbWluZyBleHRlbnNpb24gYW5kIFgxMSBQcmVzZW50Cj4gPj4+IGV4dGVuc2lvbiBv ZmZlciB0aGUgYWJpbGl0eSB0byBzcGVjaWZ5IHRoZSBkZXNpcmVkIGRpc3BsYXkgdGltZSBpbgo+ ID4+PiBzZWNvbmRzLgo+ID4+Pgo+ID4+PiBTaW1pbGFybHksIEknZCBzdWdnZXN0IHRoYXQgdGhl IG1pbi9tYXggZGlzcGxheSByZWZyZXNoIHJhdGUgdmFsdWVzIGJlCj4gPj4+IGFkdmVydGlzZWQg YXMgdGltZSBiZXR3ZWVuIGZyYW1lcyByYXRoZXIgdGhhbiBmcmFtZXMgcGVyIHNlY29uZC4KPiA+ IAo+ID4gU28gdGhlcmUgaXMgYSBnbG9iYWwgbWluIGFuZCBtYXggcmVmcmVzaCByYXRlIGFzIGFk dmVydGlzZWQgYnkgdGhlIG1vbml0b3IKPiA+IHJhbmdlIGRlc2NyaXB0b3IuIFRoYXQgSSBndWVz cyBjYW4gYmUgZXhwb3NlZCBhcyBhIGdsb2JhbCByYW5nZSBpbiB0ZXJtcyBvZgo+ID4gbWluIGFu ZCBtYXggdGltZSBiZXR3ZWVuIGZyYW1lcyBhcyBhIGdsb2JhbCBwcm9wZXJ0eSBvZiB0aGUgY29u bmVjdG9yLgo+ID4gCj4gPiBXZSBkb250IG5lZWQgdGhlIHBlciBtb2RlIG1pbiBhbmQgbWF4IHJl ZnJlc2ggcmF0ZSB0byBiZSBleHBvc2VkIHJpZ2h0Pwo+IAo+IElmIEkgdW5kZXJzdGFuZCBWUlIg cmlnaHQsIHdpdGggQ2luZW1hVlJSIGFjY2VwdGFibGUgcmVmcmVzaCByYXRlcyBtaWdodCBmYWxs IG91dHNpZGUgdGhlIHJhbmdlIGFkdmVydGlzZWQgYnkgdGhlIG1vbml0b3IuIFdvdWxkIHdlCj4g IDEpIGFkdmVydGlzZSAyNC8xLjAwMSBhcyBhIGxvd2VyIGJvdW5kLAo+ICAyKSBleHBlY3QgbWVk aWEgYXBwcyB0byB1c2UgdGhlIGxvd2VyIGJvdW5kIHNpbXBseSBmb3IgaW5mb3JtYXRpb25hbCBw dXJwb3NlcywKPiAgMykgb3Igc2ltcGx5IG5vdCBzdXBwb3J0IENpbmVtYVZSUj8KPiAKPiAoMSkg aGFzIHRoZSBhZGRlZCBjYXZlYXQgdGhhdCBub3QgYWxsIHJlcG9ydGVkIHJhdGVzIHdvdWxkIGJl IHN1cHBvcnRlZC4KPiAKPiBBbHRlcm5hdGl2ZWx5IGEgYml0IGNvdWxkIGluZGljYXRlIHRoYXQg Q2luZW1hVlJSIGlzIHN1cHBvcnQsIGJ1dCBJJ20gbm90IHN1cmUgaWYgdXNlciBtb2RlIHdvdWxk IG5lZWQgYWxsIHRoZXNlIGRldGFpbHMuCj4gCj4gSGFycnkKCkFyZSB0aGVyZSBzcGVjaWFsIENp bmVtYVZSUiBzdXBvcnRlZCBtb25pdG9ycz8gSW4gdGhhdCBjYXNlIHdlIG5lZWQgdG8gdW5kZXJz dGFuZCBob3cgdGhvc2UgbW9uaXRvcnMKYWR2ZXJ0aXNlIHRoZSBtb25pdG9yIHJhbmdlIGFuZCBp ZiB0aGV5IGhhdmUgYSBiaXQgaW4gRURJRCB0aGF0IGluZGljYXRlIHRoZXkgYXJlIENpbmVtYVZS UiBjYXBhYmxlCmFzIG9wcG9zZWQgdG8ganVzdCB0aGUgQWRhcHRpdmUgU3luYy9WUlIuCkhhcnJ5 LCBpZiB5b3UgaGF2ZSBvbmUgb2YgdGhvc2UgbW9uaXRvcnMsIGNvdWxkIHlvdSBzZW5kIHRoZSBF RElEIGR1bXAgZm9yIHRoYXQ/CgpNYW5hc2kKCj4gCj4gPiAKPiA+Pj4KPiA+Pj4gSSdkIGFsc28g ZW5jb3VyYWdlIHVzaW5nIGEgc2luZ2xlIHVuaXQgZm9yIGFsbCBvZiB0aGVzZSB2YWx1ZXMsCj4g Pj4+IHByZWZlcmFibHkgbmFub3NlY29uZHMuIEFic29sdXRlIHRpbWVzIHNob3VsZCBhbGwgYmUg cmVmZXJlbmNlZCB0bwo+ID4+PiBDTE9DS19NT05PVE9OSUMuCj4gPj4KPiA+PiArMSBvbiBldmVy eXRoaW5nIEtlaXRoIHNhaWQuIEkgZ290IHNvbWVob3cgZHJhZ2dlZCBpbiBraHIgdmsKPiA+PiBk aXNjdXNzaW9ucyBhcm91bmQgcHJldmVudGluZyBtaWNyby1zdHV0dGVyaW5nLCBhbmQgY29uc2Vu c3VzIHNlZW1zIHRvCj4gPj4gYmUgdGhhdCB0aW1lc3RhbXBzIGZvciBzY2hlZHVsaW5nIGZyYW1l cyBpcyB0aGUgd2F5IHRvIGdvLCBtb3N0IGxpa2VseQo+ID4+IGFic29sdXRlIG9uZXMgKG5vdCBl dmVyeXRoaW5nIGlzIHJ1bm5pbmcgTGludXggdW5mb3J0dW5hdGVseSwgc28gY2FuJ3QKPiA+PiBn byBvdXRyaWdodCBhbmQgY2xhaW0gaXQncyBndWFyYW50ZWVkIHRvIGJlIENMT0NLX01PTk9UT05J QykuCj4gPj4gLURhbmllbAo+ID4gCj4gPiBBbmQgeWVzIEkgYWxzbyBnb3QgY29uc2Vuc3VzIGZy b20gTWVzYSBhbmQgbWVkaWEgZm9sa3MgYWJvdXQgdXNpbmcgdGhlCj4gPiBhYnNvbHV0ZSB0aW1l c3RhbXAgZm9yIHNjaGVkdWxpbmcgdGhlIGZyYW1lcyBhbmQgdGhlbiB0aGUgZHJpdmVyIHdpbGwK PiA+IG1vZGlmeSB0aGUgdmJsYW5rIGxvZ2ljIHRvICJwcmVzZW50IG5vIGVhcmxpZXIgdGhhbiB0 aGUgdGltZXN0YW1wIgo+ID4gCj4gPiBNYW5hc2kKPiA+IAo+ID4+IC0tIAo+ID4+IERhbmllbCBW ZXR0ZXIKPiA+PiBTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KPiA+PiArNDEg KDApIDc5IDM2NSA1NyA0OCAtIGh0dHA6Ly9ibG9nLmZmd2xsLmNoCj4gPj4gX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+PiBkcmktZGV2ZWwgbWFpbGlu ZyBsaXN0Cj4gPj4gZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ID4+IGh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCj4gPiBfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+ID4gZHJpLWRldmVs IG1haWxpbmcgbGlzdAo+ID4gZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ID4gaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwKPiA+ IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK