From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1BB2E4B0499; Sun, 16 Aug 2026 12:42:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786884132; cv=none; b=nSBdip/Hn66IkhcIskkFtSudjcdxC4k5m8ZgYuvLRpogEKddzhJZ5Tmlnv5Lalp+3vOcrzd84gCs27XNxcb+8p1qnfodnJgzDehE1c8CnhY3J+3Hp5qtKFOq9lWPZtoEVeLgSxV0+ABiV1oeRKZUIiBlam9jQRK5ynGDs7mErE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786884132; c=relaxed/simple; bh=2/wA3tJOeiho4AP+RBoC3wsRG+aihxkN9Cdf0ORQd9o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=QeLA9/5UDI9809DiUxUrzhEzPEuIreMS0qLOhrg8SOQCsp8ibLYXRdEFm5Kz2QBCzwYN+MYEI5YrsDUBuPJaihW85RiMyeul1Tt27Qlr4MZK2Ozhq+wW6I6xAB7Qbo08yE+nIgPp7FdFePasENNkpdpt3Sy6Y28ovA70eOBMBW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=ilbLh/nS; arc=none smtp.client-ip=220.197.31.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="ilbLh/nS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=2/wA3tJOeiho4AP+RBoC3wsRG+aihxkN9Cdf0ORQd9o=; b=i lbLh/nSBKv7TXExQRUlC2n1NJnXoEs3S+0U9NjMkq72ORnInyksjYJvisKa5Ilb5 9mp9SyZSAGJzos3hQvuFk9DWCtmlzxjNhYBWSERe6lh1WTB9Fic7MK5c8Cd5sztr ANDZrlvdNtaHnnWbw8qKpG1f1HepUbZqSQilLakjXU= Received: from andyshrk$163.com ( [61.154.14.86] ) by ajax-webmail-wmsvr-40-100 (Coremail) ; Sun, 16 Aug 2026 20:37:21 +0800 (CST) Date: Sun, 16 Aug 2026 20:37:21 +0800 (CST) From: "Andy Yan" To: "Sebastian Reichel" Cc: "Sandy Huang" , =?UTF-8?Q?Heiko_St=C3=BCbner?= , "Andy Yan" , "Maarten Lankhorst" , "Maxime Ripard" , "Thomas Zimmermann" , "Andrzej Hajda" , "Neil Armstrong" , "Robert Foss" , "Laurent Pinchart" , "Jonas Karlman" , "Jernej Skrabec" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "David Airlie" , "Simona Vetter" , "Dmitry Baryshkov" , "Luca Ceresoli" , "Philipp Zabel" , "Cristian Ciocaltea" , "Damon Ding" , "Dmitry Baryshkov" , "Alexey Charkov" , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org, Sashiko Subject: Re:[PATCH v11 01/21] drm/bridge: synopsys: dw-dp: Register DP AUX on bridge attach X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <20260806-synopsys-dw-dp-improvements-v11-1-0d508505f383@collabora.com> References: <20260806-synopsys-dw-dp-improvements-v11-0-0d508505f383@collabora.com> <20260806-synopsys-dw-dp-improvements-v11-1-0d508505f383@collabora.com> X-NTES-SC: AL_Qu2TBPSTvEAv5yGQbekfmUgWjuw/WsG1v/Ul1YBSP556jCrp6yoHelRJMXX9zsmrEg+xlzSHfCNT0M9dRK11eZMXMP4vIuty++YsvMxEX20H8A== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <39274bba.18a3.1a00a939caf.Coremail.andyshrk@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:ZCgvCgDnjwsBr4FqKMcyAA--.25036W X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/xtbC7gHmRWqBrwFWqAAA33 X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== SGVsbG8gU2ViYXN0aWFu77yMCgpBdCAyMDI2LTA4LTA3IDAxOjAyOjA3LCAiU2ViYXN0aWFuIFJl aWNoZWwiIDxzZWJhc3RpYW4ucmVpY2hlbEBjb2xsYWJvcmEuY29tPiB3cm90ZToKPlVucmVnaXN0 ZXIgdGhlIERQIEFVWCBkZXZpY2UgYXQgdGhlIHJpZ2h0IHNwb3QgYXMgZG9jdW1lbnRlZCBpbiB0 aGUKPmRybV9kcF9hdXhfcmVnaXN0ZXIoKSBmdW5jdGlvbiBkZXNjcmlwdGlvbi4gVGhpcyBoZWxw cyB0aGF0IGl0IGlzCj5vbmx5IGFjY2Vzc2VkIHdoZW4gdGhlIERSTSBkZXZpY2UgaXMgcmVhZHkg YW5kIHRoZSBicmlkZ2UgaXMgcG93ZXJlZAo+YW5kIGluaXRpYWxpemVkIChmdXJ0aGVyIGZpeGVz IGFyZSByZXF1aXJlZCBmb3IgdGhhdCkuCj4KPkZpeGVzOiA4NmVlY2MzYTljMmUgKCJkcm0vYnJp ZGdlOiBzeW5vcHN5czogQWRkIERXIERQVFggQ29udHJvbGxlciBzdXBwb3J0IGxpYnJhcnkiKQo+ UmVwb3J0ZWQtYnk6IFNhc2hpa28gPHNhc2hpa28tYm90QGtlcm5lbC5vcmc+Cj5TaWduZWQtb2Zm LWJ5OiBTZWJhc3RpYW4gUmVpY2hlbCA8c2ViYXN0aWFuLnJlaWNoZWxAY29sbGFib3JhLmNvbT4K Pi0tLQo+IGRyaXZlcnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctZHAuYyB8IDU1ICsrKysr KysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLQo+IDEgZmlsZSBjaGFuZ2VkLCAzNSBpbnNlcnRp b25zKCspLCAyMCBkZWxldGlvbnMoLSkKPgo+ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9i cmlkZ2Uvc3lub3BzeXMvZHctZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2Uvc3lub3BzeXMv ZHctZHAuYwo+aW5kZXggOGI4NTI5ZTE3MjNjLi42MGZlYjNkMWUxNGIgMTAwNjQ0Cj4tLS0gYS9k cml2ZXJzL2dwdS9kcm0vYnJpZGdlL3N5bm9wc3lzL2R3LWRwLmMKPisrKyBiL2RyaXZlcnMvZ3B1 L2RybS9icmlkZ2Uvc3lub3BzeXMvZHctZHAuYwo+QEAgLTE4MTMsNyArMTgxMywzNiBAQCBzdGF0 aWMgc3RydWN0IGRybV9icmlkZ2Vfc3RhdGUgKmR3X2RwX2JyaWRnZV9hdG9taWNfZHVwbGljYXRl X3N0YXRlKHN0cnVjdCBkcm1fYgo+IAlyZXR1cm4gJnN0YXRlLT5iYXNlOwo+IH0KPiAKPitzdGF0 aWMgaW50IGR3X2RwX2JyaWRnZV9hdHRhY2goc3RydWN0IGRybV9icmlkZ2UgKmJyaWRnZSwKPisJ CQkgICAgICAgc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyLAo+KwkJCSAgICAgICBlbnVtIGRy bV9icmlkZ2VfYXR0YWNoX2ZsYWdzIGZsYWdzKQo+K3sKPisJc3RydWN0IGR3X2RwICpkcCA9IGJy aWRnZV90b19kcChicmlkZ2UpOwo+KwlzdHJ1Y3QgZGV2aWNlICpkZXYgPSBkcC0+ZGV2Owo+Kwlp bnQgcmV0Owo+Kwo+KwlkcC0+YXV4LmRldiA9IGRldjsKPisJZHAtPmF1eC5kcm1fZGV2ID0gZW5j b2Rlci0+ZGV2Owo+KwlkcC0+YXV4Lm5hbWUgPSBkZXZfbmFtZShkZXYpOwo+KwlkcC0+YXV4LnRy YW5zZmVyID0gZHdfZHBfYXV4X3RyYW5zZmVyOwo+Kwo+KwlyZXQgPSBkcm1fZHBfYXV4X3JlZ2lz dGVyKCZkcC0+YXV4KTsKPisJaWYgKHJldCkKPisJCWRldl9lcnIoZGV2LCAiQXV4IHJlZ2lzdGVy IGZhaWxlZDogJWRcbiIsIHJldCk7Cj4rCj4rCXJldHVybiByZXQ7Cj4rfQo+Kwo+K3N0YXRpYyB2 b2lkIGR3X2RwX2JyaWRnZV9kZXRhY2goc3RydWN0IGRybV9icmlkZ2UgKmJyaWRnZSkKPit7Cj4r CXN0cnVjdCBkd19kcCAqZHAgPSBicmlkZ2VfdG9fZHAoYnJpZGdlKTsKPisKPisJZHJtX2RwX2F1 eF91bnJlZ2lzdGVyKCZkcC0+YXV4KTsKPit9Cj4rCj4gc3RhdGljIGNvbnN0IHN0cnVjdCBkcm1f YnJpZGdlX2Z1bmNzIGR3X2RwX2JyaWRnZV9mdW5jcyA9IHsKPisJLmF0dGFjaCA9IGR3X2RwX2Jy aWRnZV9hdHRhY2gsCj4rCS5kZXRhY2ggPSBkd19kcF9icmlkZ2VfZGV0YWNoLAo+IAkuYXRvbWlj X2R1cGxpY2F0ZV9zdGF0ZSA9IGR3X2RwX2JyaWRnZV9hdG9taWNfZHVwbGljYXRlX3N0YXRlLAo+ IAkuYXRvbWljX2Rlc3Ryb3lfc3RhdGUgPSBkcm1fYXRvbWljX2hlbHBlcl9icmlkZ2VfZGVzdHJv eV9zdGF0ZSwKPiAJLmF0b21pY19jcmVhdGVfc3RhdGUgPSBkcm1fYXRvbWljX2hlbHBlcl9icmlk Z2VfY3JlYXRlX3N0YXRlLAo+QEAgLTIwNDMsMjAgKzIwNzIsMTAgQEAgc3RydWN0IGR3X2RwICpk d19kcF9iaW5kKHN0cnVjdCBkZXZpY2UgKmRldiwgc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVy LAo+IAlpZiAocmV0KQo+IAkJcmV0dXJuIEVSUl9QVFIocmV0KTsKPiAKPi0JZHAtPmF1eC5kZXYg PSBkZXY7Cj4tCWRwLT5hdXguZHJtX2RldiA9IGVuY29kZXItPmRldjsKPi0JZHAtPmF1eC5uYW1l ID0gZGV2X25hbWUoZGV2KTsKPi0JZHAtPmF1eC50cmFuc2ZlciA9IGR3X2RwX2F1eF90cmFuc2Zl cjsKPi0JcmV0ID0gZHJtX2RwX2F1eF9yZWdpc3RlcigmZHAtPmF1eCk7Cj4tCWlmIChyZXQpIHsK Pi0JCWRldl9lcnJfcHJvYmUoZGV2LCByZXQsICJBdXggcmVnaXN0ZXIgZmFpbGVkXG4iKTsKPi0J CXJldHVybiBFUlJfUFRSKHJldCk7Cj4tCX0KPi0KPiAJcmV0ID0gZHJtX2JyaWRnZV9hdHRhY2go ZW5jb2RlciwgYnJpZGdlLCBOVUxMLCBEUk1fQlJJREdFX0FUVEFDSF9OT19DT05ORUNUT1IpOwo+ IAlpZiAocmV0KSB7Cj4gCQlkZXZfZXJyX3Byb2JlKGRldiwgcmV0LCAiRmFpbGVkIHRvIGF0dGFj aCBicmlkZ2VcbiIpOwo+LQkJZ290byB1bnJlZ2lzdGVyX2F1eDsKPisJCXJldHVybiBFUlJfUFRS KHJldCk7Cj4gCX0KPiAKPiAJZHdfZHBfaW5pdF9odyhkcCk7Cj5AQCAtMjA2NCwzNyArMjA4Mywz MyBAQCBzdHJ1Y3QgZHdfZHAgKmR3X2RwX2JpbmQoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3Qg ZHJtX2VuY29kZXIgKmVuY29kZXIsCj4gCXJldCA9IHBoeV9pbml0KGRwLT5waHkpOwo+IAlpZiAo cmV0KSB7Cj4gCQlkZXZfZXJyX3Byb2JlKGRldiwgcmV0LCAicGh5IGluaXQgZmFpbGVkXG4iKTsK Pi0JCWdvdG8gdW5yZWdpc3Rlcl9hdXg7Cj4rCQlyZXR1cm4gRVJSX1BUUihyZXQpOwo+IAl9Cj4g Cj4gCXJldCA9IGRldm1fYWRkX2FjdGlvbl9vcl9yZXNldChkZXYsIGR3X2RwX3BoeV9leGl0LCBk cCk7Cj4gCWlmIChyZXQpCj4tCQlnb3RvIHVucmVnaXN0ZXJfYXV4Owo+KwkJcmV0dXJuIEVSUl9Q VFIocmV0KTsKPiAKPiAJZHAtPmlycSA9IHBsYXRmb3JtX2dldF9pcnEocGRldiwgMCk7Cj4gCWlm IChkcC0+aXJxIDwgMCkgewo+IAkJcmV0ID0gZHAtPmlycTsKPi0JCWdvdG8gdW5yZWdpc3Rlcl9h dXg7Cj4rCQlyZXR1cm4gRVJSX1BUUihyZXQpOwo+IAl9Cj4gCj4gCXJldCA9IGRldm1fcmVxdWVz dF90aHJlYWRlZF9pcnEoZGV2LCBkcC0+aXJxLCBOVUxMLCBkd19kcF9pcnEsCj4gCQkJCQlJUlFG X09ORVNIT1QsIGRldl9uYW1lKGRldiksIGRwKTsKPiAJaWYgKHJldCkgewo+IAkJZGV2X2Vycl9w cm9iZShkZXYsIHJldCwgImZhaWxlZCB0byByZXF1ZXN0IGlycVxuIik7CgoKICBBZnRlciB0aGlz IHBhdGNoWzBdICBpcyBhcHBsaWVkLCB0aGVyZSB3aWxsIGJlIGEgY29uZmxpY3QgaGVyZS4KCiBb MF1odHRwczovL2xvcmUua2VybmVsLm9yZy9hbGwvMjAyNjA3MjMxMzE2NDkuMTM0MTI3LTYtcGFu Y2h1YW5nQHZpdm8uY29tLyN0CgoKPi0JCWdvdG8gdW5yZWdpc3Rlcl9hdXg7Cj4rCQlyZXR1cm4g RVJSX1BUUihyZXQpOwo+IAl9CgoKCj4gCj4gCXJldHVybiBkcDsKPi0KPi11bnJlZ2lzdGVyX2F1 eDoKPi0JZHJtX2RwX2F1eF91bnJlZ2lzdGVyKCZkcC0+YXV4KTsKPi0JcmV0dXJuIEVSUl9QVFIo cmV0KTsKPiB9Cj4gRVhQT1JUX1NZTUJPTF9HUEwoZHdfZHBfYmluZCk7Cj4gCj4gdm9pZCBkd19k cF91bmJpbmQoc3RydWN0IGR3X2RwICpkcCkKPiB7Cj4tCWRybV9kcF9hdXhfdW5yZWdpc3Rlcigm ZHAtPmF1eCk7Cj4rCS8qIG5vdGhpbmcgdG8gZG8gKi8KPiB9Cj4gRVhQT1JUX1NZTUJPTF9HUEwo ZHdfZHBfdW5iaW5kKTsKPiAKPgo+LS0gCj4yLjUzLjAKPgo=