From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jyri Sarha Subject: [PATCH 1/3] drm/tilcdc: Recover from sync lost error flood by resetting the LCDC Date: Wed, 2 Nov 2016 18:32:15 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Cc: bcousson@baylibre.com, khilman@baylibre.com, Jyri Sarha , bgolaszewski@baylibre.com, tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com List-Id: devicetree@vger.kernel.org UmVjb3ZlciBmcm9tIHN5bmMgbG9zdCBlcnJvciBmbG9vZCBieSByZXNldHRpbmcgdGhlIExDREMg aW5zdGVhZCBvZgp0dXJuaW5nIG9mZiB0aGUgU1lOQ19MT1NUIGVycm9yIElSUS4gV2hlbiBMQ0RD IHN0YXJ2ZXMgb24gbGltaXRlZAptZW1vcnkgYmFuZHdpZHRoIGl0IG1heSBzb21ldGltZXMgcmVz dWx0IGFuIGVycm9yIHNpdHVhdGlvbiB3aGVuIHRoZQpwaWN0dXJlIG1heSBoYXZlIHNoaWZ0ZWQg Y291cGxlIG9mIHBpeGVscyB0byByaWdodCBhbmQgU1lOQ19MT1NUCmludGVycnVwdCBpcyBnZW5l cmF0ZWQgb24gZXZlcnkgZnJhbWUuIExDREMgbWFpbiByZXNldCByZWNvdmVycyBmcm9tCnRoaXMg c2l0dWF0aW9uIGFuZCBjYXVzZXMgYSBicmllZiBibGFua2luZyBvbiB0aGUgc2NyZWVuLgoKU2ln bmVkLW9mZi1ieTogSnlyaSBTYXJoYSA8anNhcmhhQHRpLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9k cm0vdGlsY2RjL3RpbGNkY19jcnRjLmMgfCAyNiArKysrKysrKysrKysrKysrKysrKysrKysrLQog MSBmaWxlIGNoYW5nZWQsIDI1IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vdGlsY2RjL3RpbGNkY19jcnRjLmMgYi9kcml2ZXJzL2dwdS9k cm0vdGlsY2RjL3RpbGNkY19jcnRjLmMKaW5kZXggMGQwOWFjYy4uYzc4NzM0OSAxMDA2NDQKLS0t IGEvZHJpdmVycy9ncHUvZHJtL3RpbGNkYy90aWxjZGNfY3J0Yy5jCisrKyBiL2RyaXZlcnMvZ3B1 L2RybS90aWxjZGMvdGlsY2RjX2NydGMuYwpAQCAtNTUsNiArNTUsNyBAQCBzdHJ1Y3QgdGlsY2Rj X2NydGMgewogCiAJaW50IHN5bmNfbG9zdF9jb3VudDsKIAlib29sIGZyYW1lX2ludGFjdDsKKwlz dHJ1Y3Qgd29ya19zdHJ1Y3QgcmVjb3Zlcl93b3JrOwogfTsKICNkZWZpbmUgdG9fdGlsY2RjX2Ny dGMoeCkgY29udGFpbmVyX29mKHgsIHN0cnVjdCB0aWxjZGNfY3J0YywgYmFzZSkKIApAQCAtMjUy LDYgKzI1MywyNSBAQCBzdGF0aWMgYm9vbCB0aWxjZGNfY3J0Y19pc19vbihzdHJ1Y3QgZHJtX2Ny dGMgKmNydGMpCiAJcmV0dXJuIGNydGMtPnN0YXRlICYmIGNydGMtPnN0YXRlLT5lbmFibGUgJiYg Y3J0Yy0+c3RhdGUtPmFjdGl2ZTsKIH0KIAorc3RhdGljIHZvaWQgdGlsY2RjX2NydGNfcmVjb3Zl cl93b3JrKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKK3sKKwlzdHJ1Y3QgdGlsY2RjX2NydGMg KnRpbGNkY19jcnRjID0KKwkJY29udGFpbmVyX29mKHdvcmssIHN0cnVjdCB0aWxjZGNfY3J0Yywg cmVjb3Zlcl93b3JrKTsKKwlzdHJ1Y3QgZHJtX2NydGMgKmNydGMgPSAmdGlsY2RjX2NydGMtPmJh c2U7CisKKwlkZXZfaW5mbyhjcnRjLT5kZXYtPmRldiwgIiVzOiBSZXNldCBDUlRDIiwgX19mdW5j X18pOworCisJZHJtX21vZGVzZXRfbG9ja19jcnRjKGNydGMsIE5VTEwpOworCisJaWYgKCF0aWxj ZGNfY3J0Y19pc19vbihjcnRjKSkKKwkJZ290byBvdXQ7CisKKwl0aWxjZGNfY3J0Y19kaXNhYmxl KGNydGMpOworCXRpbGNkY19jcnRjX2VuYWJsZShjcnRjKTsKK291dDoKKwlkcm1fbW9kZXNldF91 bmxvY2tfY3J0YyhjcnRjKTsKK30KKwogc3RhdGljIHZvaWQgdGlsY2RjX2NydGNfZGVzdHJveShz dHJ1Y3QgZHJtX2NydGMgKmNydGMpCiB7CiAJc3RydWN0IHRpbGNkY19jcnRjICp0aWxjZGNfY3J0 YyA9IHRvX3RpbGNkY19jcnRjKGNydGMpOwpAQCAtODM4LDkgKzg1OCwxMiBAQCBpcnFyZXR1cm5f dCB0aWxjZGNfY3J0Y19pcnEoc3RydWN0IGRybV9jcnRjICpjcnRjKQogCQkJdGlsY2RjX2NydGMt PmZyYW1lX2ludGFjdCA9IGZhbHNlOwogCQkJaWYgKHRpbGNkY19jcnRjLT5zeW5jX2xvc3RfY291 bnQrKyA+CiAJCQkgICAgU1lOQ19MT1NUX0NPVU5UX0xJTUlUKSB7Ci0JCQkJZGV2X2VycihkZXYt PmRldiwgIiVzKDB4JTA4eCk6IFN5bmMgbG9zdCBmbG9vZCBkZXRlY3RlZCwgZGlzYWJsaW5nIHRo ZSBpbnRlcnJ1cHQiLCBfX2Z1bmNfXywgc3RhdCk7CisJCQkJZGV2X2VycihkZXYtPmRldiwgIiVz KDB4JTA4eCk6IFN5bmMgbG9zdCBmbG9vZCBkZXRlY3RlZCwgcmVjb3ZlcmluZyIsIF9fZnVuY19f LCBzdGF0KTsKKwkJCQlxdWV1ZV93b3JrKHN5c3RlbV93cSwKKwkJCQkJICAgJnRpbGNkY19jcnRj LT5yZWNvdmVyX3dvcmspOwogCQkJCXRpbGNkY193cml0ZShkZXYsIExDRENfSU5UX0VOQUJMRV9D TFJfUkVHLAogCQkJCQkgICAgIExDRENfU1lOQ19MT1NUKTsKKwkJCQl0aWxjZGNfY3J0Yy0+c3lu Y19sb3N0X2NvdW50ID0gMDsKIAkJCX0KIAkJfQogCkBAIC04ODAsNiArOTAzLDcgQEAgc3RydWN0 IGRybV9jcnRjICp0aWxjZGNfY3J0Y19jcmVhdGUoc3RydWN0IGRybV9kZXZpY2UgKmRldikKIAkJ CSJ1bnJlZiIsIHVucmVmX3dvcmtlcik7CiAKIAlzcGluX2xvY2tfaW5pdCgmdGlsY2RjX2NydGMt PmlycV9sb2NrKTsKKwlJTklUX1dPUksoJnRpbGNkY19jcnRjLT5yZWNvdmVyX3dvcmssIHRpbGNk Y19jcnRjX3JlY292ZXJfd29yayk7CiAKIAlyZXQgPSBkcm1fY3J0Y19pbml0X3dpdGhfcGxhbmVz KGRldiwgY3J0YywKIAkJCQkJJnRpbGNkY19jcnRjLT5wcmltYXJ5LAotLSAKMS45LjEKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWls aW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=