From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Paul Subject: [PATCH 26/41] drm/bridge: analogix_dp: Reset aux channel if an error occurred Date: Thu, 9 Mar 2017 23:32:41 -0500 Message-ID: <20170310043305.17216-27-seanpaul@chromium.org> References: <20170310043305.17216-1-seanpaul@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170310043305.17216-1-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Archit Taneja , =?UTF-8?q?=E5=BE=81=E5=A2=9E=20=E7=8E=8B?= , Lin Huang , Tomeu Vizoso , David Airlie , Douglas Anderson , Sean Paul , Yakir Yang , Heiko Stuebner List-Id: linux-rockchip.vger.kernel.org RnJvbTogTGluIEh1YW5nIDxobEByb2NrLWNoaXBzLmNvbT4KCkFVWCBlcnJvcnMgYXJlIGNhdXNl ZCBieSBtYW55IGRpZmZlcmVudCByZWFzb25zLiBXZSBtYXkgbm90IGtub3cgd2hhdApoYXBwZW5l ZCBpbiBhdXggY2hhbm5lbCBvbiBmYWlsdXJlLCBzbyBsZXQncyByZXNldCBhdXggY2hhbm5lbCBp ZiBzb21lCmVycm9ycyBvY2N1cnJlZC4KCkNjOiDlvoHlop4g546LIDx3enpAcm9jay1jaGlwcy5j b20+CkNjOiBEb3VnbGFzIEFuZGVyc29uIDxkaWFuZGVyc0BjaHJvbWl1bS5vcmc+ClNpZ25lZC1v ZmYtYnk6IExpbiBIdWFuZyA8aGxAcm9jay1jaGlwcy5jb20+ClNpZ25lZC1vZmYtYnk6IFNlYW4g UGF1bCA8c2VhbnBhdWxAY2hyb21pdW0ub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9icmlkZ2Uv YW5hbG9naXgvYW5hbG9naXhfZHBfcmVnLmMgfCAxOCArKysrKysrKysrKysrKy0tLS0KIDEgZmls ZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9icmlkZ2UvYW5hbG9naXgvYW5hbG9naXhfZHBfcmVnLmMgYi9kcml2 ZXJzL2dwdS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX3JlZy5jCmluZGV4IDM3N2Jl ZTRlMjBmZC4uMWNiNTdlNTI4ZWM4IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vYnJpZGdl L2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX3JlZy5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9icmlkZ2Uv YW5hbG9naXgvYW5hbG9naXhfZHBfcmVnLmMKQEAgLTQ2NSw2ICs0NjUsMTAgQEAgdm9pZCBhbmFs b2dpeF9kcF9pbml0X2F1eChzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNlICpkcCkKIAlyZWcgPSBS UExZX1JFQ0VJViB8IEFVWF9FUlI7CiAJd3JpdGVsKHJlZywgZHAtPnJlZ19iYXNlICsgQU5BTE9H SVhfRFBfSU5UX1NUQSk7CiAKKwlhbmFsb2dpeF9kcF9zZXRfYW5hbG9nX3Bvd2VyX2Rvd24oZHAs IEFVWF9CTE9DSywgdHJ1ZSk7CisJdXNsZWVwX3JhbmdlKDEwLCAxMSk7CisJYW5hbG9naXhfZHBf c2V0X2FuYWxvZ19wb3dlcl9kb3duKGRwLCBBVVhfQkxPQ0ssIGZhbHNlKTsKKwogCWFuYWxvZ2l4 X2RwX3Jlc2V0X2F1eChkcCk7CiAKIAkvKiBEaXNhYmxlIEFVWCB0cmFuc2FjdGlvbiBIL1cgcmV0 cnkgKi8KQEAgLTExNTgsNyArMTE2Miw3IEBAIHNzaXplX3QgYW5hbG9naXhfZHBfdHJhbnNmZXIo c3RydWN0IGFuYWxvZ2l4X2RwX2RldmljZSAqZHAsCiAJCQkJIHJlZywgIShyZWcgJiBBVVhfRU4p LCAyNSwgNTAwICogMTAwMCk7CiAJaWYgKHJldCkgewogCQlkZXZfZXJyKGRwLT5kZXYsICJBVVgg Q0ggZW5hYmxlIHRpbWVvdXQhXG4iKTsKLQkJcmV0dXJuIC1FVElNRURPVVQ7CisJCWdvdG8gYXV4 X2Vycm9yOwogCX0KIAogCS8qIFRPRE86IFdhaXQgZm9yIGFuIGludGVycnVwdCBpbnN0ZWFkIG9m IGxvb3Bpbmc/ICovCkBAIC0xMTY3LDcgKzExNzEsNyBAQCBzc2l6ZV90IGFuYWxvZ2l4X2RwX3Ry YW5zZmVyKHN0cnVjdCBhbmFsb2dpeF9kcF9kZXZpY2UgKmRwLAogCQkJCSByZWcsIHJlZyAmIFJQ TFlfUkVDRUlWLCAxMCwgMjAgKiAxMDAwKTsKIAlpZiAocmV0KSB7CiAJCWRldl9lcnIoZHAtPmRl diwgIkFVWCBDSCBjbWQgcmVwbHkgdGltZW91dCFcbiIpOwotCQlyZXR1cm4gLUVUSU1FRE9VVDsK KwkJZ290byBhdXhfZXJyb3I7CiAJfQogCiAJLyogQ2xlYXIgaW50ZXJydXB0IHNvdXJjZSBmb3Ig QVVYIENIIGNvbW1hbmQgcmVwbHkgKi8KQEAgLTExNzcsNyArMTE4MSw3IEBAIHNzaXplX3QgYW5h bG9naXhfZHBfdHJhbnNmZXIoc3RydWN0IGFuYWxvZ2l4X2RwX2RldmljZSAqZHAsCiAJcmVnID0g cmVhZGwoZHAtPnJlZ19iYXNlICsgQU5BTE9HSVhfRFBfSU5UX1NUQSk7CiAJaWYgKHJlZyAmIEFV WF9FUlIpIHsKIAkJd3JpdGVsKEFVWF9FUlIsIGRwLT5yZWdfYmFzZSArIEFOQUxPR0lYX0RQX0lO VF9TVEEpOwotCQlyZXR1cm4gLUVSRU1PVEVJTzsKKwkJZ290byBhdXhfZXJyb3I7CiAJfQogCiAJ LyogQ2hlY2sgQVVYIENIIGVycm9yIGFjY2VzcyBzdGF0dXMgKi8KQEAgLTExODUsNyArMTE4OSw3 IEBAIHNzaXplX3QgYW5hbG9naXhfZHBfdHJhbnNmZXIoc3RydWN0IGFuYWxvZ2l4X2RwX2Rldmlj ZSAqZHAsCiAJaWYgKChyZWcgJiBBVVhfU1RBVFVTX01BU0spKSB7CiAJCWRldl9lcnIoZHAtPmRl diwgIkFVWCBDSCBlcnJvciBoYXBwZW5lZDogJWRcblxuIiwKIAkJCXJlZyAmIEFVWF9TVEFUVVNf TUFTSyk7Ci0JCXJldHVybiAtRVJFTU9URUlPOworCQlnb3RvIGF1eF9lcnJvcjsKIAl9CiAKIAlp ZiAobXNnLT5yZXF1ZXN0ICYgRFBfQVVYX0kyQ19SRUFEKSB7CkBAIC0xMjExLDQgKzEyMTUsMTAg QEAgc3NpemVfdCBhbmFsb2dpeF9kcF90cmFuc2ZlcihzdHJ1Y3QgYW5hbG9naXhfZHBfZGV2aWNl ICpkcCwKIAkJbXNnLT5yZXBseSA9IERQX0FVWF9OQVRJVkVfUkVQTFlfQUNLOwogCiAJcmV0dXJu IG51bV90cmFuc2ZlcnJlZCA+IDAgPyBudW1fdHJhbnNmZXJyZWQgOiAtRUJVU1k7CisKK2F1eF9l cnJvcjoKKwkvKiBpZiBhdXggZXJyIGhhcHBlbiwgcmVzZXQgYXV4ICovCisJYW5hbG9naXhfZHBf aW5pdF9hdXgoZHApOworCisJcmV0dXJuIC1FUkVNT1RFSU87CiB9Ci0tIAoyLjEyLjAuMjQ2Lmdh MmVjYzg0ODY2LWdvb2cKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpMaW51eC1yb2NrY2hpcCBtYWlsaW5nIGxpc3QKTGludXgtcm9ja2NoaXBAbGlzdHMu aW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2xpbnV4LXJvY2tjaGlwCg==