From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yakir Yang Subject: [PATCH v12.1 13/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Date: Tue, 19 Jan 2016 18:06:57 +0800 Message-ID: <1453198017-13461-1-git-send-email-ykk@rock-chips.com> References: <1450873538-18304-1-git-send-email-ykk@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1450873538-18304-1-git-send-email-ykk@rock-chips.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Inki Dae , Kyungmin Park , Jingoo Han , Thierry Reding , Krzysztof Kozlowski , Rob Herring , Heiko Stuebner , Mark Yao Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Russell King , Ian Campbell , linux-rockchip@lists.infradead.org, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Kishon Vijay Abraham I , javier@osg.samsung.com, Andy Yan , Gustavo Padovan , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org U29tZSBlZHAgc2NyZWVuIGRvIG5vdCBoYXZlIGhwZCBzaWduYWwsIHNvIHdlIGNhbid0IGp1c3Qg cmV0dXJuCmZhaWxlZCB3aGVuIGhwZCBwbHVnIGluIGRldGVjdCBmYWlsZWQuCgpUaGlzIGlzIGFu IGhhcmR3YXJlIHByb3BlcnR5LCBzbyB3ZSBuZWVkIGFkZCBhIGRldmljZXRyZWUgcHJvcGVydHkK ImFuYWxvZ2l4LG5lZWQtZm9yY2UtaHBkIiB0byBpbmRpY2F0ZSB0aGlzIHN1dGlhdGlvbi4KClNp Z25lZC1vZmYtYnk6IFlha2lyIFlhbmcgPHlra0Byb2NrLWNoaXBzLmNvbT4KQWNrZWQtYnk6IFJv YiBIZXJyaW5nIDxyb2JoQGtlcm5lbC5vcmc+ClRlc3RlZC1ieTogSmF2aWVyIE1hcnRpbmV6IENh bmlsbGFzIDxqYXZpZXJAb3NnLnNhbXN1bmcuY29tPgotLS0KVGhlcmUgaXMgbm8gbmV3IGNoYW5n ZXMgaW4gdjEyLjEsIGJ1dCBqdXN0IHJlYmFzZSB0aGUgd2hvbGUgcGF0Y2hlcyBvbgp0b3Agb2Yg RGF2ZSdzIGRybS1uZXh0IGJyYW5jaCBbMF0gKEhlaWtvKQoKQ2hhbmdlcyBpbiB2MTIuMTogTm9u ZQpDaGFuZ2VzIGluIHYxMjogTm9uZQpDaGFuZ2VzIGluIHYxMToKLSBSZW5hbWUgdGhlICJhbmFs b2dpeCxuZWVkLWZvcmNlLWhwZCIgdG8gY29tbW9uICdmb3JjZS1ocGQnIChSb2IpCi0gQWRkIHRo ZSBhY2sgZnJvbSBSb2IgSGVycmluZwoKQ2hhbmdlcyBpbiB2MTA6IE5vbmUKQ2hhbmdlcyBpbiB2 OTogTm9uZQpDaGFuZ2VzIGluIHY4OiBOb25lCkNoYW5nZXMgaW4gdjc6IE5vbmUKQ2hhbmdlcyBp biB2NjogTm9uZQpDaGFuZ2VzIGluIHY1OiBOb25lCkNoYW5nZXMgaW4gdjQ6IE5vbmUKQ2hhbmdl cyBpbiB2MzoKLSBBZGQgImFuYWxvZ2l4LG5lZWQtZm9yY2UtaHBkIiB0byBpbmRpY2F0ZSB3aGV0 aGVyIGRyaXZlciBuZWVkIGZvY2UKICBocGQgd2hlbiBocGQgZGV0ZWN0IGZhaWxlZC4KCkNoYW5n ZXMgaW4gdjI6IE5vbmUKCiAuLi4vYmluZGluZ3MvZGlzcGxheS9icmlkZ2UvYW5hbG9naXhfZHAu dHh0ICAgICAgICB8ICA0ICsrLQogLi4uL2JpbmRpbmdzL2Rpc3BsYXkvZXh5bm9zL2V4eW5vc19k cC50eHQgICAgICAgICAgfCAgMSArCiAuLi4vZGlzcGxheS9yb2NrY2hpcC9hbmFsb2dpeF9kcC1y b2NrY2hpcC50eHQgICAgICB8ICAxICsKIGRyaXZlcnMvZ3B1L2RybS9icmlkZ2UvYW5hbG9naXgv YW5hbG9naXhfZHBfY29yZS5jIHwgMzUgKysrKysrKysrKysrKysrKysrLS0tLQogZHJpdmVycy9n cHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9jb3JlLmggfCAgMiArKwogZHJpdmVy cy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9yZWcuYyAgfCAgOSArKysrKysK IDYgZmlsZXMgY2hhbmdlZCwgNDYgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZGlzcGxheS9icmlkZ2Uv YW5hbG9naXhfZHAudHh0IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2Rpc3Bs YXkvYnJpZGdlL2FuYWxvZ2l4X2RwLnR4dAppbmRleCA3NjU5YTdhLi40ZjJiYThjIDEwMDY0NAot LS0gYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZGlzcGxheS9icmlkZ2UvYW5h bG9naXhfZHAudHh0CisrKyBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNw bGF5L2JyaWRnZS9hbmFsb2dpeF9kcC50eHQKQEAgLTIyLDYgKzIyLDkgQEAgUmVxdWlyZWQgcHJv cGVydGllcyBmb3IgZHAtY29udHJvbGxlcjoKIAkJZnJvbSBnZW5lcmFsIFBIWSBiaW5kaW5nOiBT aG91bGQgYmUgImRwIi4KIAogT3B0aW9uYWwgcHJvcGVydGllcyBmb3IgZHAtY29udHJvbGxlcjoK KwktZm9yY2UtaHBkOgorCQlJbmRpY2F0ZSBkcml2ZXIgbmVlZCBmb3JjZSBocGQgd2hlbiBocGQg ZGV0ZWN0IGZhaWxlZCwgdGhpcworCQlpcyB1c2VkIGZvciBzb21lIGVEUCBzY3JlZW4gd2hpY2gg ZG9uJ3QgaGF2ZSBocGQgc2lnbmFsLgogCS1ocGQtZ3Bpb3M6CiAJCUhvdHBsdWcgZGV0ZWN0IEdQ SU8uCiAJCUluZGljYXRlcyB3aGljaCBHUElPIHNob3VsZCBiZSB1c2VkIGZvciBob3RwbHVnIGRl dGVjdGlvbgpAQCAtMzEsNyArMzQsNiBAQCBPcHRpb25hbCBwcm9wZXJ0aWVzIGZvciBkcC1jb250 cm9sbGVyOgogCQkqIERvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNwbGF5L2V4 eW5vcy9leHlub3NfZHAudHh0CiAJCSogRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdz L3ZpZGVvL2FuYWxvZ2l4X2RwLXJvY2tjaGlwLnR4dAogCi0KIFsxXTogRG9jdW1lbnRhdGlvbi9k ZXZpY2V0cmVlL2JpbmRpbmdzL21lZGlhL3ZpZGVvLWludGVyZmFjZXMudHh0CiAtLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tCiAKZGlmZiAtLWdpdCBhL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5k aW5ncy9kaXNwbGF5L2V4eW5vcy9leHlub3NfZHAudHh0IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0 cmVlL2JpbmRpbmdzL2Rpc3BsYXkvZXh5bm9zL2V4eW5vc19kcC50eHQKaW5kZXggNGZhOGFjYS4u YWRlNWQ4ZSAxMDA2NDQKLS0tIGEvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2Rp c3BsYXkvZXh5bm9zL2V4eW5vc19kcC50eHQKKysrIGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVl L2JpbmRpbmdzL2Rpc3BsYXkvZXh5bm9zL2V4eW5vc19kcC50eHQKQEAgLTU2LDYgKzU2LDcgQEAg Rm9yIHRoZSBiZWxvdyBwcm9wZXJ0aWVzLCBwbGVhc2UgcmVmZXIgdG8gQW5hbG9naXggRFAgYmlu ZGluZyBkb2N1bWVudDoKIAktcGh5cyAocmVxdWlyZWQpCiAJLXBoeS1uYW1lcyAocmVxdWlyZWQp CiAJLWhwZC1ncGlvcyAob3B0aW9uYWwpCisJIGZvcmNlLWhwZCAob3B0aW9uYWwpCiAKIERlcHJl Y2F0ZWQgcHJvcGVydGllcyBmb3IgRGlzcGxheVBvcnQ6CiAtaW50ZXJsYWNlZDogICAgICAgICAg ICBkZXByZWNhdGVkIHByb3AgdGhhdCBjYW4gcGFyc2VkIGZyb20gZHJtX2Rpc3BsYXlfbW9kZS4K ZGlmZiAtLWdpdCBhL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNwbGF5L3Jv Y2tjaGlwL2FuYWxvZ2l4X2RwLXJvY2tjaGlwLnR4dCBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJl ZS9iaW5kaW5ncy9kaXNwbGF5L3JvY2tjaGlwL2FuYWxvZ2l4X2RwLXJvY2tjaGlwLnR4dAppbmRl eCAwNGQ5OWUzLi5lODMyZmY5IDEwMDY0NAotLS0gYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUv YmluZGluZ3MvZGlzcGxheS9yb2NrY2hpcC9hbmFsb2dpeF9kcC1yb2NrY2hpcC50eHQKKysrIGIv RG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2Rpc3BsYXkvcm9ja2NoaXAvYW5hbG9n aXhfZHAtcm9ja2NoaXAudHh0CkBAIC0zMiw2ICszMiw3IEBAIEZvciB0aGUgYmVsb3cgcHJvcGVy dGllcywgcGxlYXNlIHJlZmVyIHRvIEFuYWxvZ2l4IERQIGJpbmRpbmcgZG9jdW1lbnQ6CiAtIHBo eXMgKHJlcXVpcmVkKQogLSBwaHktbmFtZXMgKHJlcXVpcmVkKQogLSBocGQtZ3Bpb3MgKG9wdGlv bmFsKQorLSBmb3JjZS1ocGQgKG9wdGlvbmFsKQogLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQogCiBF eGFtcGxlOgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFs b2dpeF9kcF9jb3JlLmMgYi9kcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4 X2RwX2NvcmUuYwppbmRleCBhNjJlOGQwLi4xMzk4NmI3IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX2NvcmUuYworKysgYi9kcml2ZXJzL2dw dS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX2NvcmUuYwpAQCAtNjIsMTUgKzYyLDM4 IEBAIHN0YXRpYyBpbnQgYW5hbG9naXhfZHBfZGV0ZWN0X2hwZChzdHJ1Y3QgYW5hbG9naXhfZHBf ZGV2aWNlICpkcCkKIHsKIAlpbnQgdGltZW91dF9sb29wID0gMDsKIAotCXdoaWxlIChhbmFsb2dp eF9kcF9nZXRfcGx1Z19pbl9zdGF0dXMoZHApICE9IDApIHsKKwl3aGlsZSAodGltZW91dF9sb29w IDwgRFBfVElNRU9VVF9MT09QX0NPVU5UKSB7CisJCWlmIChhbmFsb2dpeF9kcF9nZXRfcGx1Z19p bl9zdGF0dXMoZHApID09IDApCisJCQlyZXR1cm4gMDsKKwogCQl0aW1lb3V0X2xvb3ArKzsKLQkJ aWYgKHRpbWVvdXRfbG9vcCA+IERQX1RJTUVPVVRfTE9PUF9DT1VOVCkgewotCQkJZGV2X2Vycihk cC0+ZGV2LCAiZmFpbGVkIHRvIGdldCBocGQgcGx1ZyBzdGF0dXNcbiIpOwotCQkJcmV0dXJuIC1F VElNRURPVVQ7Ci0JCX0KIAkJdXNsZWVwX3JhbmdlKDEwLCAxMSk7CiAJfQogCisJLyoKKwkgKiBT b21lIGVkcCBzY3JlZW4gZG8gbm90IGhhdmUgaHBkIHNpZ25hbCwgc28gd2UgY2FuJ3QganVzdAor CSAqIHJldHVybiBmYWlsZWQgd2hlbiBocGQgcGx1ZyBpbiBkZXRlY3QgZmFpbGVkLCBEVCBwcm9w ZXJ0eQorCSAqICJmb3JjZS1ocGQiIHdvdWxkIGluZGljYXRlIHdoZXRoZXIgZHJpdmVyIG5lZWQg dGhpcy4KKwkgKi8KKwlpZiAoIWRwLT5mb3JjZV9ocGQpCisJCXJldHVybiAtRVRJTUVET1VUOwor CisJLyoKKwkgKiBUaGUgZURQIFRSTSBpbmRpY2F0ZSB0aGF0IGlmIEhQRF9TVEFUVVMoUk8pIGlz IDAsIEFVWCBDSAorCSAqIHdpbGwgbm90IHdvcmssIHNvIHdlIG5lZWQgdG8gZ2l2ZSBhIGZvcmNl IGhwZCBhY3Rpb24gdG8KKwkgKiBzZXQgSFBEX1NUQVRVUyBtYW51YWxseS4KKwkgKi8KKwlkZXZf ZGJnKGRwLT5kZXYsICJmYWlsZWQgdG8gZ2V0IGhwZCBwbHVnIHN0YXR1cywgdHJ5IHRvIGZvcmNl IGhwZFxuIik7CisKKwlhbmFsb2dpeF9kcF9mb3JjZV9ocGQoZHApOworCisJaWYgKGFuYWxvZ2l4 X2RwX2dldF9wbHVnX2luX3N0YXR1cyhkcCkgIT0gMCkgeworCQlkZXZfZXJyKGRwLT5kZXYsICJm YWlsZWQgdG8gZ2V0IGhwZCBwbHVnIGluIHN0YXR1c1xuIik7CisJCXJldHVybiAtRUlOVkFMOwor CX0KKworCWRldl9kYmcoZHAtPmRldiwgInN1Y2Nlc3MgdG8gZ2V0IHBsdWcgaW4gc3RhdHVzIGFm dGVyIGZvcmNlIGhwZFxuIik7CisKIAlyZXR1cm4gMDsKIH0KIApAQCAtMTI5MSw2ICsxMzE0LDgg QEAgaW50IGFuYWxvZ2l4X2RwX2JpbmQoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QgZHJtX2Rl dmljZSAqZHJtX2RldiwKIAlpZiAoSVNfRVJSKGRwLT5yZWdfYmFzZSkpCiAJCXJldHVybiBQVFJf RVJSKGRwLT5yZWdfYmFzZSk7CiAKKwlkcC0+Zm9yY2VfaHBkID0gb2ZfcHJvcGVydHlfcmVhZF9i b29sKGRldi0+b2Zfbm9kZSwgImZvcmNlLWhwZCIpOworCiAJZHAtPmhwZF9ncGlvID0gb2ZfZ2V0 X25hbWVkX2dwaW8oZGV2LT5vZl9ub2RlLCAiaHBkLWdwaW9zIiwgMCk7CiAJaWYgKCFncGlvX2lz X3ZhbGlkKGRwLT5ocGRfZ3BpbykpCiAJCWRwLT5ocGRfZ3BpbyA9IG9mX2dldF9uYW1lZF9ncGlv KGRldi0+b2Zfbm9kZSwKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2UvYW5hbG9n aXgvYW5hbG9naXhfZHBfY29yZS5oIGIvZHJpdmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9h bmFsb2dpeF9kcF9jb3JlLmgKaW5kZXggNmNjNTNkNC4uYThjYmE2NCAxMDA2NDQKLS0tIGEvZHJp dmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9jb3JlLmgKKysrIGIvZHJp dmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9jb3JlLmgKQEAgLTE1NCw2 ICsxNTQsNyBAQCBzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNlIHsKIAlzdHJ1Y3QgcGh5CQkqcGh5 OwogCWludAkJCWRwbXNfbW9kZTsKIAlpbnQJCQlocGRfZ3BpbzsKKwlib29sICAgICAgICAgICAg ICAgICAgICBmb3JjZV9ocGQ7CiAKIAlzdHJ1Y3QgYW5hbG9naXhfZHBfcGxhdF9kYXRhICpwbGF0 X2RhdGE7CiB9OwpAQCAtMTc0LDYgKzE3NSw3IEBAIHZvaWQgYW5hbG9naXhfZHBfc2V0X2FuYWxv Z19wb3dlcl9kb3duKHN0cnVjdCBhbmFsb2dpeF9kcF9kZXZpY2UgKmRwLAogCQkJCSAgICAgICBi b29sIGVuYWJsZSk7CiB2b2lkIGFuYWxvZ2l4X2RwX2luaXRfYW5hbG9nX2Z1bmMoc3RydWN0IGFu YWxvZ2l4X2RwX2RldmljZSAqZHApOwogdm9pZCBhbmFsb2dpeF9kcF9pbml0X2hwZChzdHJ1Y3Qg YW5hbG9naXhfZHBfZGV2aWNlICpkcCk7Cit2b2lkIGFuYWxvZ2l4X2RwX2ZvcmNlX2hwZChzdHJ1 Y3QgYW5hbG9naXhfZHBfZGV2aWNlICpkcCk7CiBlbnVtIGRwX2lycV90eXBlIGFuYWxvZ2l4X2Rw X2dldF9pcnFfdHlwZShzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNlICpkcCk7CiB2b2lkIGFuYWxv Z2l4X2RwX2NsZWFyX2hvdHBsdWdfaW50ZXJydXB0cyhzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNl ICpkcCk7CiB2b2lkIGFuYWxvZ2l4X2RwX3Jlc2V0X2F1eChzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2 aWNlICpkcCk7CmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2Fu YWxvZ2l4X2RwX3JlZy5jIGIvZHJpdmVycy9ncHUvZHJtL2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dp eF9kcF9yZWcuYwppbmRleCAxZTI0YjM3Li5jYmEzZmZkIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX3JlZy5jCisrKyBiL2RyaXZlcnMvZ3B1 L2RybS9icmlkZ2UvYW5hbG9naXgvYW5hbG9naXhfZHBfcmVnLmMKQEAgLTM2NSw2ICszNjUsMTUg QEAgdm9pZCBhbmFsb2dpeF9kcF9pbml0X2hwZChzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNlICpk cCkKIAl3cml0ZWwocmVnLCBkcC0+cmVnX2Jhc2UgKyBBTkFMT0dJWF9EUF9TWVNfQ1RMXzMpOwog fQogCit2b2lkIGFuYWxvZ2l4X2RwX2ZvcmNlX2hwZChzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNl ICpkcCkKK3sKKwl1MzIgcmVnOworCisJcmVnID0gcmVhZGwoZHAtPnJlZ19iYXNlICsgQU5BTE9H SVhfRFBfU1lTX0NUTF8zKTsKKwlyZWcgPSAoRl9IUEQgfCBIUERfQ1RSTCk7CisJd3JpdGVsKHJl ZywgZHAtPnJlZ19iYXNlICsgQU5BTE9HSVhfRFBfU1lTX0NUTF8zKTsKK30KKwogZW51bSBkcF9p cnFfdHlwZSBhbmFsb2dpeF9kcF9nZXRfaXJxX3R5cGUoc3RydWN0IGFuYWxvZ2l4X2RwX2Rldmlj ZSAqZHApCiB7CiAJdTMyIHJlZzsKLS0gCjEuOS4xCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWwK