From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maarten Lankhorst Subject: Re: [RFC PATCH] drm/atomic: add ASYNC_UPDATE flag to the Atomic IOCTL. Date: Thu, 28 Jun 2018 10:31:17 +0200 Message-ID: References: <20180627212506.24061-1-enric.balletbo@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 31B906EC75 for ; Thu, 28 Jun 2018 08:31:23 +0000 (UTC) In-Reply-To: <20180627212506.24061-1-enric.balletbo@collabora.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Enric Balletbo i Serra , David Airlie Cc: dnicoara@chromium.org, =?UTF-8?Q?St=c3=a9phane_Marchesin?= , Sean Paul , alexandros.frantzis@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, tomasz Figa , Gustavo Padovan , kernel@collabora.com List-Id: dri-devel@lists.freedesktop.org T3AgMjctMDYtMTggb20gMjM6MjUgc2NocmVlZiBFbnJpYyBCYWxsZXRibyBpIFNlcnJhOgo+IEZy b206IEd1c3Rhdm8gUGFkb3ZhbiA8Z3VzdGF2by5wYWRvdmFuQGNvbGxhYm9yYS5jb20+Cj4KPiBU aGlzIGZsYWcgdGVsbHMgY29yZSB0byBqdW1wIGFoZWFkIHRoZSBxdWV1ZWQgdXBkYXRlIGlmIHRo ZSBjb25kaXRpb25zCj4gaW4gZHJtX2F0b21pY19hc3luY19jaGVjaygpIGFyZSBtZXQuIFRoYXQg bWVhbnMgd2UgYXJlIG9ubHkgYWJsZSB0byBkbyBhbgo+IGFzeW5jIHVwZGF0ZSBpZiBubyBtb2Rl c2V0IGlzIHBlbmRpbmcgYW5kIHVwZGF0ZSBmb3IgdGhlIHNhbWUgcGxhbmUgaXMKPiBub3QgcXVl dWVkLgo+Cj4gSXQgdXNlcyB0aGUgYWxyZWFkeSBpbiBwbGFjZSBpbmZyYXN0cnVjdHVyZSBmb3Ig YXN5bmMgdXBkYXRlcy4KPgo+IEl0IGlzIHVzZWZ1bCBmb3IgY3Vyc29yIHVwZGF0ZXMgYW5kIGFz eW5jIFBhZ2VGbGlwcyBvdmVyIHRoZSBhdG9taWMKPiBpb2N0bCwgb3RoZXJ3aXNlIGluIHNvbWUg Y2FzZXMgdXBkYXRlcyBtYXkgYmUgZGVsYXllZCB0byB0aGUgcG9pbnQgdGhlCj4gdXNlciB3aWxs IG5vdGljZSBpdC4KPgo+IERSTV9NT0RFX0FUT01JQ19BU1lOQ19VUERBVEUgc2hvdWxkIGJlIHBh c3NlZCB0byB0aGUgQXRvbWljIElPQ1RMIHRvIHVzZQo+IHRoaXMgZmVhdHVyZS4KPgo+IFNpZ25l ZC1vZmYtYnk6IEd1c3Rhdm8gUGFkb3ZhbiA8Z3VzdGF2by5wYWRvdmFuQGNvbGxhYm9yYS5jb20+ Cj4gU2lnbmVkLW9mZi1ieTogRW5yaWMgQmFsbGV0Ym8gaSBTZXJyYSA8ZW5yaWMuYmFsbGV0Ym9A Y29sbGFib3JhLmNvbT4KPiAtLS0KPiBIaSwKPgo+IFRoaXMgaXMgYW4gYXR0ZW1wdCB0byBpbnRy b2R1Y2UgdGhlIG5ldyBBU1lOQ19VUERBVEUgZmxhZyBmb3IgYXRvbWljCj4gb3BlcmF0aW9ucywg c2VlIHRoZSBjb21taXQgbWVzc2FnZSBmb3IgYSBtb3JlIGRldGFpbGVkIGRlc2NyaXB0aW9uLgo+ Cj4gVG8gdGVzdCB0aGlzIHBhdGNoIHdlIGhhdmUgY3JlYXRlZCBhbiBJR1QgdGVzdCB0aGF0IHdl IHBsYW4gdG8gc2VuZCB0bwo+IHRoZSBNTCBidXQgYWxzbyB3YXMgdGVzdGVkIHVzaW5nIGEgc21h bGwgcHJvZ3JhbSB0aGF0IGV4ZXJjaXNlcyB0aGUgdUFQSQo+IGZvciBlYXN5IHNhbml0eSB0ZXN0 aW5nLiBUaGUgcHJvZ3JhbSBjcmVhdGVkIGJ5IEFsZXhhbmRyb3MgY2FuIGJlIGZvdW5kIGhlcmUK PiBbMl0uIFRvIHRlc3QsIGp1c3QgYnVpbGQgdGhlIHByb2dyYW0gYW5kIHVzZSB0aGUgLS1hdG9t aWMgZmxhZyB0byB1c2UgdGhlCj4gY3Vyc29yIHBsYW5lIGluIG5vcm1hbCAoYmxvY2tpbmcgbW9k ZSksIGFuZCAtLWF0b21pYy1hc3luYyB0byB1c2UgdGhlIGN1cnNvcgo+IHBsYW5lIHdpdGggdGhl IEFTWU5DX1VQREFURSBmbGFnLkUuZy4KPgo+ICAgZHJtX2N1cnNvciAtLWF0b21pYwo+Cj4gb3IK Pgo+ICAgZHJtX2N1cnNvciAtLWF0b21pYy1hc3luYwo+Cj4gVGhlIHRlc3Qgd29ya2VkIG9uIGEg U2Ftc3VuZyBDaHJvbWVib29rIFBsdXMgb24gdG9wIG9mIG1haW5saW5lIHBsdXMKPiB0aGUgcGF0 Y2ggdG8gdXBkYXRlIGN1cnNvcnMgYXN5bmNocm9ub3VzbHkgdGhyb3VnaCBhdG9taWMgZm9yIHRo ZQo+IGRybS9yb2NrY2hpcCBkcml2ZXIgWzNdLgo+Cj4gQWxleGFuZHJvcyBhbHNvIGRpZCBhIHBy b29mLW9mLWNvbmNlcHQgdG8gdXNlIHRoaXMgZmxhZyBhbmQgZHJhdyBjdXJzb3JzCj4gdXNpbmcg YXRvbWljIGlmIHBvc3NpYmxlIG9uIG96b25lIFsxXS4KPgo+IEJlc3QgcmVnYXJkcywKPiAgRW5y aWMKPgo+IFsxXSBodHRwczovL2Nocm9taXVtLXJldmlldy5nb29nbGVzb3VyY2UuY29tL2MvY2hy b21pdW0vc3JjLysvMTA5MjcxMQo+IFsyXSBodHRwczovL2dpdGxhYi5jb2xsYWJvcmEuY29tL2Fs Zi9kcm0tY3Vyc29yCj4gWzNdIGh0dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0Y2gvMTA0 OTI2OTMvCj4KPgo+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2F0b21pYy5jICAgICAgICB8IDYgKysr KysrCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fYXRvbWljX2hlbHBlci5jIHwgOSArKysrKystLS0K PiAgaW5jbHVkZS91YXBpL2RybS9kcm1fbW9kZS5oICAgICAgICAgfCA0ICsrKy0KPiAgMyBmaWxl cyBjaGFuZ2VkLCAxNSBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fYXRvbWljLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2F0 b21pYy5jCj4gaW5kZXggYzgyNWM3NmVkYzFkLi4xNWI3OTlmNDY5ODIgMTAwNjQ0Cj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2RybV9hdG9taWMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1f YXRvbWljLmMKPiBAQCAtODAsNiArODAsNyBAQCBkcm1fYXRvbWljX3N0YXRlX2luaXQoc3RydWN0 IGRybV9kZXZpY2UgKmRldiwgc3RydWN0IGRybV9hdG9taWNfc3RhdGUgKnN0YXRlKQo+ICAJICog c2V0dGluZyB0aGlzIGFwcHJvcHJpYXRlbHk/Cj4gIAkgKi8KPiAgCXN0YXRlLT5hbGxvd19tb2Rl c2V0ID0gdHJ1ZTsKPiArCXN0YXRlLT5hc3luY191cGRhdGUgPSB0cnVlOwpEbyB3ZSByZWFsbHkg d2FudCB0aGlzIGJ5IGRlZmF1bHQ/CgpXb3VsZG4ndCBpdCBtYWtlIG1vcmUgc2Vuc2UgdG8gb25s eSBlbmFibGUgaXQgaWYgdXNlcnNwYWNlIHJlcXVlc3RzIGl0Pwo+ICAKPiAgCXN0YXRlLT5jcnRj cyA9IGtjYWxsb2MoZGV2LT5tb2RlX2NvbmZpZy5udW1fY3J0YywKPiAgCQkJICAgICAgIHNpemVv Zigqc3RhdGUtPmNydGNzKSwgR0ZQX0tFUk5FTCk7Cj4gQEAgLTIzMjAsNiArMjMyMSwxMCBAQCBp bnQgZHJtX21vZGVfYXRvbWljX2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAkJCShh cmctPmZsYWdzICYgRFJNX01PREVfUEFHRV9GTElQX0VWRU5UKSkKPiAgCQlyZXR1cm4gLUVJTlZB TDsKPiAgCj4gKwlpZiAoKGFyZy0+ZmxhZ3MgJiBEUk1fTU9ERV9BVE9NSUNfQUxMT1dfTU9ERVNF VCkgJiYKPiArCQkJKGFyZy0+ZmxhZ3MgJiBEUk1fTU9ERV9BVE9NSUNfQVNZTkNfVVBEQVRFKSkK PiArCQlyZXR1cm4gLUVJTlZBTDsKPiArCj4gIAlkcm1fbW9kZXNldF9hY3F1aXJlX2luaXQoJmN0 eCwgRFJNX01PREVTRVRfQUNRVUlSRV9JTlRFUlJVUFRJQkxFKTsKPiAgCj4gIAlzdGF0ZSA9IGRy bV9hdG9taWNfc3RhdGVfYWxsb2MoZGV2KTsKV2Ugc2hvdWxkIHByb2JhYmx5IG1vdmUgaXQgdG8g YmUgYSBmbGFnIG9ubHkgZW5hYmxlZCB3aGVuIHJlcXVlc3RlZCwgYW5kIHJlamVjdCB3aXRoIHRo ZSBlcnJvciByZXR1cm5lZCBieSBkcm1fYXRvbWljX2hlbHBlcl9hc3luY19jaGVjaygpIHdoZW4g dGhpbmdzIGZhaWwuCgp+TWFhcnRlbgo+IEBAIC0yMzI4LDYgKzIzMzMsNyBAQCBpbnQgZHJtX21v ZGVfYXRvbWljX2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAo+ICAJc3RhdGUtPmFj cXVpcmVfY3R4ID0gJmN0eDsKPiAgCXN0YXRlLT5hbGxvd19tb2Rlc2V0ID0gISEoYXJnLT5mbGFn cyAmIERSTV9NT0RFX0FUT01JQ19BTExPV19NT0RFU0VUKTsKPiArCXN0YXRlLT5hc3luY191cGRh dGUgPSAhIShhcmctPmZsYWdzICYgRFJNX01PREVfQVRPTUlDX0FTWU5DX1VQREFURSk7Cj4gIAo+ ICByZXRyeToKPiAgCXBsYW5lX21hc2sgPSAwOwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vZHJtX2F0b21pY19oZWxwZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fYXRvbWljX2hlbHBl ci5jCj4gaW5kZXggYzM1NjU0NTkxYzEyLi5hZWIwNTIzZDNiY2YgMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2RybV9hdG9taWNfaGVscGVyLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v ZHJtX2F0b21pY19oZWxwZXIuYwo+IEBAIC04OTEsNyArODkxLDcgQEAgaW50IGRybV9hdG9taWNf aGVscGVyX2NoZWNrKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAlpZiAocmV0KQo+ICAJCXJl dHVybiByZXQ7Cj4gIAo+IC0JaWYgKHN0YXRlLT5sZWdhY3lfY3Vyc29yX3VwZGF0ZSkKPiArCWlm IChzdGF0ZS0+YXN5bmNfdXBkYXRlIHx8IHN0YXRlLT5sZWdhY3lfY3Vyc29yX3VwZGF0ZSkKPiAg CQlzdGF0ZS0+YXN5bmNfdXBkYXRlID0gIWRybV9hdG9taWNfaGVscGVyX2FzeW5jX2NoZWNrKGRl diwgc3RhdGUpOwo+ICAKPiAgCXJldHVybiByZXQ7Cj4gQEAgLTE1MjYsMTMgKzE1MjYsMTYgQEAg aW50IGRybV9hdG9taWNfaGVscGVyX2FzeW5jX2NoZWNrKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYs Cj4gIAlpZiAobmV3X3BsYW5lX3N0YXRlLT5mZW5jZSkKPiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAg Cj4gKwkvKiBPbmx5IGRvIGFuIGFzeW5jIHVwZGF0ZSBpZiB0aGVyZSBpcyBhIHBlbmRpbmcgY29t bWl0LiAqLwo+ICsJaWYgKCFvbGRfcGxhbmVfc3RhdGUtPmNvbW1pdCkKPiArCQlyZXR1cm4gLUVJ TlZBTDsKPiArCj4gIAkvKgo+ICAJICogRG9uJ3QgZG8gYW4gYXN5bmMgdXBkYXRlIGlmIHRoZXJl IGlzIGFuIG91dHN0YW5kaW5nIGNvbW1pdCBtb2RpZnlpbmcKPiAgCSAqIHRoZSBwbGFuZS4gIFRo aXMgcHJldmVudHMgb3VyIGFzeW5jIHVwZGF0ZSdzIGNoYW5nZXMgZnJvbSBnZXR0aW5nCj4gIAkg KiBvdmVycmlkZGVuIGJ5IGEgcHJldmlvdXMgc3luY2hyb25vdXMgdXBkYXRlJ3Mgc3RhdGUuCj4g IAkgKi8KPiAtCWlmIChvbGRfcGxhbmVfc3RhdGUtPmNvbW1pdCAmJgo+IC0JICAgICF0cnlfd2Fp dF9mb3JfY29tcGxldGlvbigmb2xkX3BsYW5lX3N0YXRlLT5jb21taXQtPmh3X2RvbmUpKQo+ICsJ aWYgKCF0cnlfd2FpdF9mb3JfY29tcGxldGlvbigmb2xkX3BsYW5lX3N0YXRlLT5jb21taXQtPmh3 X2RvbmUpKQo+ICAJCXJldHVybiAtRUJVU1k7Cj4gIAo+ICAJcmV0dXJuIGZ1bmNzLT5hdG9taWNf YXN5bmNfY2hlY2socGxhbmUsIG5ld19wbGFuZV9zdGF0ZSk7Cj4gZGlmZiAtLWdpdCBhL2luY2x1 ZGUvdWFwaS9kcm0vZHJtX21vZGUuaCBiL2luY2x1ZGUvdWFwaS9kcm0vZHJtX21vZGUuaAo+IGlu ZGV4IDUwYmNmNDIxNGZmOS4uNzcyZTg0ZjBlZGViIDEwMDY0NAo+IC0tLSBhL2luY2x1ZGUvdWFw aS9kcm0vZHJtX21vZGUuaAo+ICsrKyBiL2luY2x1ZGUvdWFwaS9kcm0vZHJtX21vZGUuaAo+IEBA IC03MTgsMTMgKzcxOCwxNSBAQCBzdHJ1Y3QgZHJtX21vZGVfZGVzdHJveV9kdW1iIHsKPiAgI2Rl ZmluZSBEUk1fTU9ERV9BVE9NSUNfVEVTVF9PTkxZIDB4MDEwMAo+ICAjZGVmaW5lIERSTV9NT0RF X0FUT01JQ19OT05CTE9DSyAgMHgwMjAwCj4gICNkZWZpbmUgRFJNX01PREVfQVRPTUlDX0FMTE9X X01PREVTRVQgMHgwNDAwCj4gKyNkZWZpbmUgRFJNX01PREVfQVRPTUlDX0FTWU5DX1VQREFURSAg MHgwODAwCj4gIAo+ICAjZGVmaW5lIERSTV9NT0RFX0FUT01JQ19GTEFHUyAoXAo+ICAJCURSTV9N T0RFX1BBR0VfRkxJUF9FVkVOVCB8XAo+ICAJCURSTV9NT0RFX1BBR0VfRkxJUF9BU1lOQyB8XAo+ ICAJCURSTV9NT0RFX0FUT01JQ19URVNUX09OTFkgfFwKPiAgCQlEUk1fTU9ERV9BVE9NSUNfTk9O QkxPQ0sgfFwKPiAtCQlEUk1fTU9ERV9BVE9NSUNfQUxMT1dfTU9ERVNFVCkKPiArCQlEUk1fTU9E RV9BVE9NSUNfQUxMT1dfTU9ERVNFVCB8XAo+ICsJCURSTV9NT0RFX0FUT01JQ19BU1lOQ19VUERB VEUpCj4gIAo+ICBzdHJ1Y3QgZHJtX21vZGVfYXRvbWljIHsKPiAgCV9fdTMyIGZsYWdzOwoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBt YWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=