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[79.139.237.54]) by smtp.googlemail.com with ESMTPSA id z15sm4451503ljo.102.2020.06.16.07.42.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Jun 2020 07:42:49 -0700 (PDT) Subject: Re: [PATCH v7 2/6] drm/of: Make drm_of_find_panel_or_bridge() to check graph's presence To: Laurent Pinchart References: <20200614172234.8856-1-digetx@gmail.com> <20200614172234.8856-3-digetx@gmail.com> <20200616012652.GG1629@pendragon.ideasonboard.com> From: Dmitry Osipenko Message-ID: <4f0bb2e8-3522-4a3e-4ebd-32f9d5bc2da5@gmail.com> Date: Tue, 16 Jun 2020 17:42:48 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200616012652.GG1629@pendragon.ideasonboard.com> Content-Language: en-US X-Mailman-Approved-At: Wed, 17 Jun 2020 07:26:02 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Sam Ravnborg , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Herring , Thierry Reding , linux-tegra@vger.kernel.org, Frank Rowand Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MTYuMDYuMjAyMCAwNDoyNiwgTGF1cmVudCBQaW5jaGFydCDQv9C40YjQtdGCOgo+IEhpIERtaXRy eSwKPiAKPiBUaGFuayB5b3UgZm9yIHRoZSBwYXRjaC4KPiAKPiBPbiBTdW4sIEp1biAxNCwgMjAy MCBhdCAwODoyMjozMFBNICswMzAwLCBEbWl0cnkgT3NpcGVua28gd3JvdGU6Cj4+IFdoZW4gZ3Jh cGggaXNuJ3QgZGVmaW5lZCBpbiBhIGRldmljZS10cmVlLCB0aGUgb2ZfZ3JhcGhfZ2V0X3JlbW90 ZV9ub2RlKCkKPj4gcHJpbnRzIGEgbm9pc3kgZXJyb3IgbWVzc2FnZSwgdGVsbGluZyB0aGF0IHBv cnQgbm9kZSBpcyBub3QgZm91bmQuIFRoaXMgaXMKPj4gdW5kZXNpcmFibGUgYmVoYXZpb3VyIGlu IG91ciBjYXNlIGJlY2F1c2UgYWJzZW5jZSBvZiBhIHBhbmVsL2JyaWRnZSBncmFwaAo+PiBpcyBh IHZhbGlkIGNhc2UuIExldCdzIGNoZWNrIHByZXNlbmNlIG9mIHRoZSBsb2NhbCBwb3J0IGluIGEg ZGV2aWNlLXRyZWUKPj4gYmVmb3JlIHByb2NlZWRpbmcgd2l0aCBwYXJzaW5nIHRoZSBncmFwaC4K Pj4KPj4gUmV2aWV3ZWQtYnk6IFNhbSBSYXZuYm9yZyA8c2FtQHJhdm5ib3JnLm9yZz4KPj4gU2ln bmVkLW9mZi1ieTogRG1pdHJ5IE9zaXBlbmtvIDxkaWdldHhAZ21haWwuY29tPgo+PiAtLS0KPj4g IGRyaXZlcnMvZ3B1L2RybS9kcm1fb2YuYyB8IDEzICsrKysrKysrKysrKy0KPj4gIDEgZmlsZSBj aGFuZ2VkLCAxMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+Cj4+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vZHJtX29mLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX29mLmMKPj4g aW5kZXggYjUwYjQ0ZTc2Mjc5Li5lMDY1MmMzOGYzNTcgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9kcm1fb2YuYwo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX29mLmMKPj4gQEAg LTIzOSwxMyArMjM5LDI0IEBAIGludCBkcm1fb2ZfZmluZF9wYW5lbF9vcl9icmlkZ2UoY29uc3Qg c3RydWN0IGRldmljZV9ub2RlICpucCwKPj4gIAkJCQlzdHJ1Y3QgZHJtX2JyaWRnZSAqKmJyaWRn ZSkKPj4gIHsKPj4gIAlpbnQgcmV0ID0gLUVQUk9CRV9ERUZFUjsKPj4gLQlzdHJ1Y3QgZGV2aWNl X25vZGUgKnJlbW90ZTsKPj4gKwlzdHJ1Y3QgZGV2aWNlX25vZGUgKmxvY2FsLCAqcmVtb3RlOwo+ PiAgCj4+ICAJaWYgKCFwYW5lbCAmJiAhYnJpZGdlKQo+PiAgCQlyZXR1cm4gLUVJTlZBTDsKPj4g IAlpZiAocGFuZWwpCj4+ICAJCSpwYW5lbCA9IE5VTEw7Cj4+ICAKPj4gKwkvKgo+PiArCSAqIG9m X2dyYXBoX2dldF9yZW1vdGVfbm9kZSgpIHByb2R1Y2VzIGEgbm9pc3kgZXJyb3IgbWVzc2FnZSBp ZiBwb3J0Cj4+ICsJICogbm9kZSBpc24ndCBmb3VuZCBhbmQgdGhlIGFic2VuY2Ugb2YgdGhlIHBv cnQgaXMgYSBsZWdpdCBjYXNlIGhlcmUsCj4+ICsJICogc28gYXQgZmlyc3Qgd2Ugc2lsZW50bHkg Y2hlY2sgcHJlc2VuY2Ugb2YgdGhlIGxvY2FsIHBvcnQuCj4+ICsJICovCj4+ICsJbG9jYWwgPSBv Zl9ncmFwaF9nZXRfbG9jYWxfcG9ydChucCk7Cj4+ICsJaWYgKCFsb2NhbCkKPj4gKwkJcmV0dXJu IC1FTk9ERVY7Cj4+ICsKPj4gKwlvZl9ub2RlX3B1dChsb2NhbCk7Cj4+ICsKPiAKPiBUaGUgY29k ZSBsb29rcyBmaW5lLCBidXQgeW91IG1heSB3YW50IHRvIHRha2UgaW50byBhY2NvdW50IG15IHBy b3Bvc2FsCj4gaW4gMS83IHRvIGluc3RlYWQgY3JlYXRlIGEgb2ZfZ3JhcGhfaGFzX3BvcnQoKSBm dW5jdGlvbi4gVGhlIGNvdWxkIHdvdWxkCj4gYmUgc2ltcGxlciBoZXJlLgo+IAo+PiAgCXJlbW90 ZSA9IG9mX2dyYXBoX2dldF9yZW1vdGVfbm9kZShucCwgcG9ydCwgZW5kcG9pbnQpOwo+PiAgCWlm ICghcmVtb3RlKQo+PiAgCQlyZXR1cm4gLUVOT0RFVjsKPiAKCkkgbGlrZSB5b3VycyBwcm9wb3Nh bHMgYW5kIHdpbGwgcHJlcGFyZSB2OCBiYXNlZCBvbiB0aGVtLCB0aGFua3MhCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=