From mboxrd@z Thu Jan 1 00:00:00 1970 From: CK Hu Subject: Re: [PATCH] drm/mediatek: Only try to attach bridge if there is one Date: Mon, 3 Dec 2018 11:27:00 +0800 Message-ID: <1543807620.11594.2.camel@mtksdaap41> References: <20181126040737.138682-1-drinkcat@chromium.org> <1543210200.1796.2.camel@mtksdaap41> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1543210200.1796.2.camel@mtksdaap41> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Nicolas Boichat Cc: David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org List-Id: linux-mediatek@lists.infradead.org SGksIE5pY29sYXM6CgpPbiBNb24sIDIwMTgtMTEtMjYgYXQgMTM6MzAgKzA4MDAsIENLIEh1IHdy b3RlOgo+IEhpLCBOaWNvbGFzOgo+IAo+IE9uIE1vbiwgMjAxOC0xMS0yNiBhdCAxMjowNyArMDgw MCwgTmljb2xhcyBCb2ljaGF0IHdyb3RlOgo+ID4gRXZlbiBpZiBkc2ktPmJyaWRnZSBpcyBOVUxM LCB3ZSBzdGlsbCB0cnkgdG8gY2FsbCBkcm1fYnJpZGdlX2F0dGFjaCwKPiA+IGFuZCBwcmludCBv dXQgYW4gZXJyb3IgbWVzc2FnZSwgYmVmb3JlIGNyZWF0aW5nIHRoZSBjb25uZWN0b3IuCj4gPiAK PiA+IFdoZW4gbm8gYnJpZGdlIGlzIHByb3ZpZGVkLCBsZXQncyBza2lwIHRoZXNlIDIgc3RlcHMg YW5kIGRpcmVjdGx5Cj4gPiBjcmVhdGUgdGhlIGNvbm5lY3Rvci4KPiAKCkFwcGxpZWQgdG8gbWVk aWF0ZWstZHJtLWZpeGVzLTQuMjAgWzFdLCB0aGFua3MuCgpbMV0KaHR0cHM6Ly9naXRodWIuY29t L2NraHUtbWVkaWF0ZWsvbGludXguZ2l0LXRhZ3MvY29tbWl0cy9tZWRpYXRlay1kcm0tZml4ZXMt NC4yMAoKUmVnYXJkcywKQ0sKCj4gUmV2aWV3ZWQtYnk6IENLIEh1IDxjay5odUBtZWRpYXRlay5j b20+Cj4gCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IE5pY29sYXMgQm9pY2hhdCA8ZHJpbmtjYXRA Y2hyb21pdW0ub3JnPgo+ID4gLS0tCj4gPiAgZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19k c2kuYyB8IDExICsrKysrKystLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygr KSwgNCBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9t ZWRpYXRlay9tdGtfZHNpLmMgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RzaS5jCj4g PiBpbmRleCA2NmRmMWIxNzc5NTkyMS4uMjdiNTA3ZWI0YTk5N2QgMTAwNjQ0Cj4gPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2RzaS5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vbWVkaWF0ZWsvbXRrX2RzaS5jCj4gPiBAQCAtODE4LDEwICs4MTgsMTMgQEAgc3RhdGljIGlu dCBtdGtfZHNpX2NyZWF0ZV9jb25uX2VuYyhzdHJ1Y3QgZHJtX2RldmljZSAqZHJtLCBzdHJ1Y3Qg bXRrX2RzaSAqZHNpKQo+ID4gIAlkc2ktPmVuY29kZXIucG9zc2libGVfY3J0Y3MgPSAxOwo+ID4g IAo+ID4gIAkvKiBJZiB0aGVyZSdzIGEgYnJpZGdlLCBhdHRhY2ggdG8gaXQgYW5kIGxldCBpdCBj cmVhdGUgdGhlIGNvbm5lY3RvciAqLwo+ID4gLQlyZXQgPSBkcm1fYnJpZGdlX2F0dGFjaCgmZHNp LT5lbmNvZGVyLCBkc2ktPmJyaWRnZSwgTlVMTCk7Cj4gPiAtCWlmIChyZXQpIHsKPiA+IC0JCURS TV9FUlJPUigiRmFpbGVkIHRvIGF0dGFjaCBicmlkZ2UgdG8gZHJtXG4iKTsKPiA+IC0KPiA+ICsJ aWYgKGRzaS0+YnJpZGdlKSB7Cj4gPiArCQlyZXQgPSBkcm1fYnJpZGdlX2F0dGFjaCgmZHNpLT5l bmNvZGVyLCBkc2ktPmJyaWRnZSwgTlVMTCk7Cj4gPiArCQlpZiAocmV0KSB7Cj4gPiArCQkJRFJN X0VSUk9SKCJGYWlsZWQgdG8gYXR0YWNoIGJyaWRnZSB0byBkcm1cbiIpOwo+ID4gKwkJCWdvdG8g ZXJyX2VuY29kZXJfY2xlYW51cDsKPiA+ICsJCX0KPiA+ICsJfSBlbHNlIHsKPiA+ICAJCS8qIE90 aGVyd2lzZSBjcmVhdGUgb3VyIG93biBjb25uZWN0b3IgYW5kIGF0dGFjaCB0byBhIHBhbmVsICov Cj4gPiAgCQlyZXQgPSBtdGtfZHNpX2NyZWF0ZV9jb25uZWN0b3IoZHJtLCBkc2kpOwo+ID4gIAkJ aWYgKHJldCkKPiAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2 ZWwK