From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH v3 05/21] drm/bridge: Introduce drm_bridge_chain_get_next_bridge() Date: Sun, 24 Nov 2019 11:56:16 +0100 Message-ID: <20191124115616.1491ae6d@collabora.com> References: <20191023154512.9762-1-boris.brezillon@collabora.com> <20191023154512.9762-6-boris.brezillon@collabora.com> <20191124103335.GF4727@pendragon.ideasonboard.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9DF9689E1B for ; Sun, 24 Nov 2019 10:56:20 +0000 (UTC) In-Reply-To: <20191124103335.GF4727@pendragon.ideasonboard.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Laurent Pinchart Cc: Mark Rutland , Neil Armstrong , dri-devel@lists.freedesktop.org, Thierry Reding , kernel@collabora.com, Sam Ravnborg , Nikita Yushchenko , Andrey Smirnov , Kyungmin Park , Chris Healy , devicetree@vger.kernel.org, Jonas Karlman , Rob Herring , Jernej Skrabec , Seung-Woo Kim List-Id: dri-devel@lists.freedesktop.org T24gU3VuLCAyNCBOb3YgMjAxOSAxMjozMzozNSArMDIwMApMYXVyZW50IFBpbmNoYXJ0IDxsYXVy ZW50LnBpbmNoYXJ0QGlkZWFzb25ib2FyZC5jb20+IHdyb3RlOgoKPiBIaSBCb3JpcywKPiAKPiBU aGFuayB5b3UgZm9yIHRoZSBwYXRjaC4KPiAKPiBPbiBXZWQsIE9jdCAyMywgMjAxOSBhdCAwNTo0 NDo1NlBNICswMjAwLCBCb3JpcyBCcmV6aWxsb24gd3JvdGU6Cj4gPiBBbmQgdXNlIGl0IGluIGRy aXZlcnMgYWNjZXNzaW5nIHRoZSBicmlkZ2UtPm5leHQgZmllbGQgZGlyZWN0bHkuCj4gPiBUaGlz IGlzIHBhcnQgb2Ygb3VyIGF0dGVtcHQgdG8gbWFrZSB0aGUgYnJpZGdlIGNoYWluIGEgZG91Ymxl LWxpbmtlZCBsaXN0Cj4gPiBiYXNlZCBvbiB0aGUgZ2VuZXJpYyBsaXN0IGhlbHBlcnMuCj4gPiAK PiA+IFNpZ25lZC1vZmYtYnk6IEJvcmlzIEJyZXppbGxvbiA8Ym9yaXMuYnJlemlsbG9uQGNvbGxh Ym9yYS5jb20+Cj4gPiAtLS0KPiA+IENoYW5nZXMgaW4gdjM6Cj4gPiAqIElubGluZSBkcm1fYnJp ZGdlX2NoYWluX2dldF9uZXh0X2JyaWRnZSgpIChTdWdnZXN0ZWQgYnkgTGF1cmVudCkKPiA+IAo+ ID4gQ2hhbmdlcyBpbiB2MjoKPiA+ICogS2lsbCB0aGUgbGFzdC9maXJzdCBoZWxwZXJzICh0aGV5 J3JlIG5vdCByZWFsbHkgbmVlZGVkKQo+ID4gKiBEcm9wIHRoZSAhYnJpZGdlIHx8ICFicmlkZ2Ut PmVuY29kZXIgdGVzdAo+ID4gLS0tCj4gPiAgZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3Nf ZHJtX2RzaS5jIHwgIDMgKystCj4gPiAgZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19oZG1p LmMgICAgIHwgIDYgKysrKy0tCj4gPiAgZHJpdmVycy9ncHUvZHJtL29tYXBkcm0vb21hcF9kcnYu YyAgICAgIHwgIDQgKystLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9vbWFwZHJtL29tYXBfZW5jb2Rl ci5jICB8ICAzICsrLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS92YzQvdmM0X2RzaS5jICAgICAgICAg ICB8ICA0ICsrKy0KPiA+ICBpbmNsdWRlL2RybS9kcm1fYnJpZGdlLmggICAgICAgICAgICAgICAg fCAxMyArKysrKysrKysrKysrCj4gPiAgNiBmaWxlcyBjaGFuZ2VkLCAyNiBpbnNlcnRpb25zKCsp LCA3IGRlbGV0aW9ucygtKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2V4 eW5vcy9leHlub3NfZHJtX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJt X2RzaS5jCj4gPiBpbmRleCAzOTE1ZjUwYjAwNWUuLjAwNWM2Nzg5NGI3OCAxMDA2NDQKPiA+IC0t LSBhL2RyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX2RybV9kc2kuYwo+ID4gKysrIGIvZHJp dmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJtX2RzaS5jCj4gPiBAQCAtMTU5Myw5ICsxNTkz LDEwIEBAIHN0YXRpYyBpbnQgZXh5bm9zX2RzaV9ob3N0X2RldGFjaChzdHJ1Y3QgbWlwaV9kc2lf aG9zdCAqaG9zdCwKPiA+ICAJCQkJICBzdHJ1Y3QgbWlwaV9kc2lfZGV2aWNlICpkZXZpY2UpCj4g PiAgewo+ID4gIAlzdHJ1Y3QgZXh5bm9zX2RzaSAqZHNpID0gaG9zdF90b19kc2koaG9zdCk7Cj4g PiAtCXN0cnVjdCBkcm1fYnJpZGdlICpvdXRfYnJpZGdlID0gZHNpLT5icmlkZ2UubmV4dDsKPiA+ ICAJc3RydWN0IGRybV9kZXZpY2UgKmRybSA9IGRzaS0+ZW5jb2Rlci5kZXY7Cj4gPiArCXN0cnVj dCBkcm1fYnJpZGdlICpvdXRfYnJpZGdlOwo+ID4gIAo+ID4gKwlvdXRfYnJpZGdlID0gZHJtX2Jy aWRnZV9jaGFpbl9nZXRfbmV4dF9icmlkZ2UoJmRzaS0+YnJpZGdlKTsgIAo+IAo+IFlvdSBtYXkg d2FudCB0byBzdG9yZSB0aGlzIGluIHRoZSBleHlub3NfZHNpIHN0cnVjdHVyZSBpbiB0aGUgcHJl dmlvdXMKPiBwYXRjaCB3aGVyZSB5b3UgcmV3b3JrIHRoaXMgZHJpdmVyLgoKRG8gd2UgcmVhbGx5 IG5lZWQgdG8gc3RvcmUgaXQgdGhlcmUsIHNpbmNlIHdlIGFscmVhZHkgaGF2ZSBhIHNpbXBsZSB3 YXkKdG8gcmV0cmlldmUgdGhlIG5leHQgYnJpZGdlIGluIHRoZSBjaGFpbj8KCj4gCj4gPiAgCWlm IChkc2ktPnBhbmVsKSB7Cj4gPiAgCQltdXRleF9sb2NrKCZkcm0tPm1vZGVfY29uZmlnLm11dGV4 KTsKPiA+ICAJCWV4eW5vc19kc2lfZGlzYWJsZSgmZHNpLT5icmlkZ2UpOwo+ID4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfaGRtaS5jIGIvZHJpdmVycy9ncHUvZHJt L21lZGlhdGVrL210a19oZG1pLmMKPiA+IGluZGV4IGVhNjhiNWFkY2NiZS4uY2ZhYTVhYWI4ODc2 IDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19oZG1pLmMKPiA+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfaGRtaS5jCj4gPiBAQCAtMTIzOCwx NiArMTIzOCwxOCBAQCBzdGF0aWMgaW50IG10a19oZG1pX2Nvbm5fbW9kZV92YWxpZChzdHJ1Y3Qg ZHJtX2Nvbm5lY3RvciAqY29ubiwKPiA+ICAJCQkJICAgIHN0cnVjdCBkcm1fZGlzcGxheV9tb2Rl ICptb2RlKQo+ID4gIHsKPiA+ICAJc3RydWN0IG10a19oZG1pICpoZG1pID0gaGRtaV9jdHhfZnJv bV9jb25uKGNvbm4pOwo+ID4gKwlzdHJ1Y3QgZHJtX2JyaWRnZSAqbmV4dF9icmlkZ2U7Cj4gPiAg Cj4gPiAgCWRldl9kYmcoaGRtaS0+ZGV2LCAieHJlcz0lZCwgeXJlcz0lZCwgcmVmcmVzaD0lZCwg aW50bD0lZCBjbG9jaz0lZFxuIiwKPiA+ICAJCW1vZGUtPmhkaXNwbGF5LCBtb2RlLT52ZGlzcGxh eSwgbW9kZS0+dnJlZnJlc2gsCj4gPiAgCQkhIShtb2RlLT5mbGFncyAmIERSTV9NT0RFX0ZMQUdf SU5URVJMQUNFKSwgbW9kZS0+Y2xvY2sgKiAxMDAwKTsKPiA+ICAKPiA+IC0JaWYgKGhkbWktPmJy aWRnZS5uZXh0KSB7Cj4gPiArCW5leHRfYnJpZGdlID0gZHJtX2JyaWRnZV9jaGFpbl9nZXRfbmV4 dF9icmlkZ2UoJmhkbWktPmJyaWRnZSk7Cj4gPiArCWlmIChuZXh0X2JyaWRnZSkgewo+ID4gIAkJ c3RydWN0IGRybV9kaXNwbGF5X21vZGUgYWRqdXN0ZWRfbW9kZTsKPiA+ICAKPiA+ICAJCWRybV9t b2RlX2NvcHkoJmFkanVzdGVkX21vZGUsIG1vZGUpOwo+ID4gLQkJaWYgKCFkcm1fYnJpZGdlX2No YWluX21vZGVfZml4dXAoaGRtaS0+YnJpZGdlLm5leHQsIG1vZGUsCj4gPiArCQlpZiAoIWRybV9i cmlkZ2VfY2hhaW5fbW9kZV9maXh1cChuZXh0X2JyaWRnZSwgbW9kZSwKPiA+ICAJCQkJCQkgJmFk anVzdGVkX21vZGUpKQo+ID4gIAkJCXJldHVybiBNT0RFX0JBRDsKPiA+ICAJfQo+ID4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9vbWFwZHJtL29tYXBfZHJ2LmMgYi9kcml2ZXJzL2dwdS9k cm0vb21hcGRybS9vbWFwX2Rydi5jCj4gPiBpbmRleCBiM2UyMmM4OTBjNTEuLjg2NTE2NGZlMjhk YyAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9vbWFwZHJtL29tYXBfZHJ2LmMKPiA+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9vbWFwZHJtL29tYXBfZHJ2LmMKPiA+IEBAIC0yMTcsOCAr MjE3LDggQEAgc3RhdGljIGludCBvbWFwX2Rpc3BsYXlfaWQoc3RydWN0IG9tYXBfZHNzX2Rldmlj ZSAqb3V0cHV0KQo+ID4gIAl9IGVsc2UgaWYgKG91dHB1dC0+YnJpZGdlKSB7Cj4gPiAgCQlzdHJ1 Y3QgZHJtX2JyaWRnZSAqYnJpZGdlID0gb3V0cHV0LT5icmlkZ2U7Cj4gPiAgCj4gPiAtCQl3aGls ZSAoYnJpZGdlLT5uZXh0KQo+ID4gLQkJCWJyaWRnZSA9IGJyaWRnZS0+bmV4dDsKPiA+ICsJCXdo aWxlIChkcm1fYnJpZGdlX2NoYWluX2dldF9uZXh0X2JyaWRnZShicmlkZ2UpKQo+ID4gKwkJCWJy aWRnZSA9IGRybV9icmlkZ2VfY2hhaW5fZ2V0X25leHRfYnJpZGdlKGJyaWRnZSk7Cj4gPiAgCj4g PiAgCQlub2RlID0gYnJpZGdlLT5vZl9ub2RlOwo+ID4gIAl9IGVsc2UgaWYgKG91dHB1dC0+cGFu ZWwpIHsKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vb21hcGRybS9vbWFwX2VuY29k ZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9vbWFwZHJtL29tYXBfZW5jb2Rlci5jCj4gPiBpbmRleCAy NGJiZTlmMmEzMmUuLjhjYTU0MDgxOTk3ZSAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9vbWFwZHJtL29tYXBfZW5jb2Rlci5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vb21hcGRy bS9vbWFwX2VuY29kZXIuYwo+ID4gQEAgLTEyNiw3ICsxMjYsOCBAQCBzdGF0aWMgdm9pZCBvbWFw X2VuY29kZXJfbW9kZV9zZXQoc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyLAo+ID4gIAlmb3Ig KGRzc2RldiA9IG91dHB1dDsgZHNzZGV2OyBkc3NkZXYgPSBkc3NkZXYtPm5leHQpCj4gPiAgCQlv bWFwX2VuY29kZXJfdXBkYXRlX3ZpZGVvbW9kZV9mbGFncygmdm0sIGRzc2Rldi0+YnVzX2ZsYWdz KTsKPiA+ICAKPiA+IC0JZm9yIChicmlkZ2UgPSBvdXRwdXQtPmJyaWRnZTsgYnJpZGdlOyBicmlk Z2UgPSBicmlkZ2UtPm5leHQpIHsKPiA+ICsJZm9yIChicmlkZ2UgPSBvdXRwdXQtPmJyaWRnZTsg YnJpZGdlOwo+ID4gKwkgICAgIGJyaWRnZSA9IGRybV9icmlkZ2VfY2hhaW5fZ2V0X25leHRfYnJp ZGdlKGJyaWRnZSkpIHsgIAo+IAo+IEEgZm9yX2VhY2hfYnJpZGdlKCkgbWFjcm8gd291bGQgYmUg bmljZSAoaW4gYSBzZXBhcmF0ZSBwYXRjaCkuIEl0IGNvdWxkCj4gYmUgdXNlZCBpbiBvbWFwX2Ry di5jIGFib3ZlIHRvby4KCkl0J3MgY29taW5nIGxhdGVyIGluIHRoZSBzZXJpZXMgKHBhdGNoIDgp LgoKPiAKPiA+ICAJCWlmICghYnJpZGdlLT50aW1pbmdzKQo+ID4gIAkJCWNvbnRpbnVlOwo+ID4g IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS92YzQvdmM0X2RzaS5jIGIvZHJpdmVy cy9ncHUvZHJtL3ZjNC92YzRfZHNpLmMKPiA+IGluZGV4IDQ5ZjhhMzEzZTc1OS4uNDljNDcxODVh ZmYwIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3ZjNC92YzRfZHNpLmMKPiA+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS92YzQvdmM0X2RzaS5jCj4gPiBAQCAtMTY0NCw4ICsxNjQ0LDEw IEBAIHN0YXRpYyB2b2lkIHZjNF9kc2lfdW5iaW5kKHN0cnVjdCBkZXZpY2UgKmRldiwgc3RydWN0 IGRldmljZSAqbWFzdGVyLAo+ID4gIAlzdHJ1Y3QgZHJtX2RldmljZSAqZHJtID0gZGV2X2dldF9k cnZkYXRhKG1hc3Rlcik7Cj4gPiAgCXN0cnVjdCB2YzRfZGV2ICp2YzQgPSB0b192YzRfZGV2KGRy bSk7Cj4gPiAgCXN0cnVjdCB2YzRfZHNpICpkc2kgPSBkZXZfZ2V0X2RydmRhdGEoZGV2KTsKPiA+ ICsJc3RydWN0IGRybV9icmlkZ2UgKmJyaWRnZTsKPiA+ICAKPiA+IC0JaWYgKGRzaS0+YnJpZGdl Lm5leHQpCj4gPiArCWJyaWRnZSA9IGRybV9icmlkZ2VfY2hhaW5fZ2V0X25leHRfYnJpZGdlKCZk c2ktPmJyaWRnZSk7Cj4gPiArCWlmIChicmlkZ2UpCj4gPiAgCQlwbV9ydW50aW1lX2Rpc2FibGUo ZGV2KTsKPiA+ICAKPiA+ICAJdmM0X2RzaV9lbmNvZGVyX2Rlc3Ryb3koZHNpLT5lbmNvZGVyKTsK PiA+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2RybS9kcm1fYnJpZGdlLmggYi9pbmNsdWRlL2RybS9k cm1fYnJpZGdlLmgKPiA+IGluZGV4IDcyNjQzNWJhZjRhZC4uOGFlYmE4M2ZjZjMxIDEwMDY0NAo+ ID4gLS0tIGEvaW5jbHVkZS9kcm0vZHJtX2JyaWRnZS5oCj4gPiArKysgYi9pbmNsdWRlL2RybS9k cm1fYnJpZGdlLmgKPiA+IEBAIC00MDksNiArNDA5LDE5IEBAIHN0cnVjdCBkcm1fYnJpZGdlICpv Zl9kcm1fZmluZF9icmlkZ2Uoc3RydWN0IGRldmljZV9ub2RlICpucCk7Cj4gPiAgaW50IGRybV9i cmlkZ2VfYXR0YWNoKHN0cnVjdCBkcm1fZW5jb2RlciAqZW5jb2Rlciwgc3RydWN0IGRybV9icmlk Z2UgKmJyaWRnZSwKPiA+ICAJCSAgICAgIHN0cnVjdCBkcm1fYnJpZGdlICpwcmV2aW91cyk7Cj4g PiAgCj4gPiArLyoqCj4gPiArICogZHJtX2JyaWRnZV9jaGFpbl9nZXRfbmV4dF9icmlkZ2UoKSAt IEdldCB0aGUgbmV4dCBicmlkZ2UgaW4gdGhlIGNoYWluCj4gPiArICogQGJyaWRnZTogYnJpZGdl IG9iamVjdAo+ID4gKyAqCj4gPiArICogUkVUVVJOUzoKPiA+ICsgKiB0aGUgbmV4dCBicmlkZ2Ug aW4gdGhlIGNoYWluLCBvciBOVUxMIGlmIEBicmlkZ2UgaXMgdGhlIGxhc3QuICAKPiAKPiBNYXli ZSAidGhlIG5leHQgYnJpZGdlIGluIHRoZSBjaGFpbiBhZnRlciBAYnJpZGdlLCAuLi4iID8KCkFn cmVlZC4KCj4gCj4gPiArICovCj4gPiArc3RhdGljIGlubGluZSBzdHJ1Y3QgZHJtX2JyaWRnZSAq Cj4gPiArZHJtX2JyaWRnZV9jaGFpbl9nZXRfbmV4dF9icmlkZ2Uoc3RydWN0IGRybV9icmlkZ2Ug KmJyaWRnZSkgIAo+IAo+IFRlY2huaWNhbGx5IHNwZWFraW5nIHRoaXMgZG9lc24ndCBvcGVyYXRl IG9uIGEgY2hhaW4gYnV0IG9uIGEgYnJpZGdlLCBzbwo+IEknZCBuYW1lIGlzIGRybV9icmlkZ2Vf Z2V0X25leHRfYnJpZGdlKCkuIEkgd2lsbCBub3QgaW5zaXN0IHRvIHRoZSB3YXkKPiBvZiBuYWNr aW5nIHRoZSBzZXJpZXMgZm9yIHRoaXMsIHNvIHdpdGggdGhlIHJlbmFtZSwgYnV0IGFsc28gd2l0 aG91dCwKCllvdSdyZSBhYnNvbHV0ZWx5IHJpZ2h0LCBJJ2xsIHJlbmFtZSB0aGUgZnVuY3Rpb24g YXMgc3VnZ2VzdGVkLgoKPiAKPiBSZXZpZXdlZC1ieTogTGF1cmVudCBQaW5jaGFydCA8bGF1cmVu dC5waW5jaGFydEBpZGVhc29uYm9hcmQuY29tPgo+IAo+ID4gK3sKPiA+ICsJcmV0dXJuIGJyaWRn ZS0+bmV4dDsKPiA+ICt9Cj4gPiArCj4gPiAgYm9vbCBkcm1fYnJpZGdlX2NoYWluX21vZGVfZml4 dXAoc3RydWN0IGRybV9icmlkZ2UgKmJyaWRnZSwKPiA+ICAJCQkJIGNvbnN0IHN0cnVjdCBkcm1f ZGlzcGxheV9tb2RlICptb2RlLAo+ID4gIAkJCQkgc3RydWN0IGRybV9kaXNwbGF5X21vZGUgKmFk anVzdGVkX21vZGUpOyAgCj4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWw=