From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Subject: [PATCH] drm/amdgpu/dce: Don't turn off DP sink when disconnected Date: Fri, 9 Mar 2018 18:27:31 +0100 Message-ID: <20180309172731.2256-1-michel@daenzer.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org RnJvbTogTWljaGVsIETDpG56ZXIgPG1pY2hlbC5kYWVuemVyQGFtZC5jb20+CgpUdXJuaW5nIG9m ZiB0aGUgc2luayBpbiB0aGlzIGNhc2UgY2F1c2VzIHZhcmlvdXMgaXNzdWVzLCBiZWNhdXNlCnVz ZXJzcGFjZSBleHBlY3RzIGl0IHRvIHN0YXkgb24gdW50aWwgaXQgdHVybnMgaXQgb2ZmIGV4cGxp Y2l0bHkuCgpJbnN0ZWFkLCB0dXJuIHRoZSBzaW5rIG9mZiBhbmQgYmFjayBvbiB3aGVuIGEgZGlz cGxheSBpcyBjb25uZWN0ZWQKYWdhaW4uIFRoaXMgZGFuY2Ugc2VlbXMgbmVjZXNzYXJ5IGZvciBs aW5rIHRyYWluaW5nIHRvIHdvcmsgY29ycmVjdGx5LgoKQnVnemlsbGE6IGh0dHBzOi8vYnVncy5m cmVlZGVza3RvcC5vcmcvMTA1MzA4ClNpZ25lZC1vZmYtYnk6IE1pY2hlbCBEw6RuemVyIDxtaWNo ZWwuZGFlbnplckBhbWQuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdw dV9jb25uZWN0b3JzLmMgfCAzMSArKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNo YW5nZWQsIDEyIGluc2VydGlvbnMoKyksIDE5IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9jb25uZWN0b3JzLmMgYi9kcml2ZXJzL2dw dS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY29ubmVjdG9ycy5jCmluZGV4IGZmYzFmNmY0NjkxMy4u OWRhOGQ1ODAyOTgwIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfY29ubmVjdG9ycy5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9j b25uZWN0b3JzLmMKQEAgLTY5LDI1ICs2OSwxOCBAQCB2b2lkIGFtZGdwdV9jb25uZWN0b3JfaG90 cGx1ZyhzdHJ1Y3QgZHJtX2Nvbm5lY3RvciAqY29ubmVjdG9yKQogCQkvKiBkb24ndCBkbyBhbnl0 aGluZyBpZiBzaW5rIGlzIG5vdCBkaXNwbGF5IHBvcnQsIGkuZS4sCiAJCSAqIHBhc3NpdmUgZHAt Pihkdml8aGRtaSkgYWRhcHRvcgogCQkgKi8KLQkJaWYgKGRpZ19jb25uZWN0b3ItPmRwX3Npbmtf dHlwZSA9PSBDT05ORUNUT1JfT0JKRUNUX0lEX0RJU1BMQVlQT1JUKSB7Ci0JCQlpbnQgc2F2ZWRf ZHBtcyA9IGNvbm5lY3Rvci0+ZHBtczsKLQkJCS8qIE9ubHkgdHVybiBvZmYgdGhlIGRpc3BsYXkg aWYgaXQncyBwaHlzaWNhbGx5IGRpc2Nvbm5lY3RlZCAqLwotCQkJaWYgKCFhbWRncHVfZGlzcGxh eV9ocGRfc2Vuc2UoYWRldiwgYW1kZ3B1X2Nvbm5lY3Rvci0+aHBkLmhwZCkpIHsKLQkJCQlkcm1f aGVscGVyX2Nvbm5lY3Rvcl9kcG1zKGNvbm5lY3RvciwgRFJNX01PREVfRFBNU19PRkYpOwotCQkJ fSBlbHNlIGlmIChhbWRncHVfYXRvbWJpb3NfZHBfbmVlZHNfbGlua190cmFpbihhbWRncHVfY29u bmVjdG9yKSkgewotCQkJCS8qIERvbid0IHRyeSB0byBzdGFydCBsaW5rIHRyYWluaW5nIGJlZm9y ZSB3ZQotCQkJCSAqIGhhdmUgdGhlIGRwY2QgKi8KLQkJCQlpZiAoYW1kZ3B1X2F0b21iaW9zX2Rw X2dldF9kcGNkKGFtZGdwdV9jb25uZWN0b3IpKQotCQkJCQlyZXR1cm47Ci0KLQkJCQkvKiBzZXQg aXQgdG8gT0ZGIHNvIHRoYXQgZHJtX2hlbHBlcl9jb25uZWN0b3JfZHBtcygpCi0JCQkJICogd29u J3QgcmV0dXJuIGltbWVkaWF0ZWx5IHNpbmNlIHRoZSBjdXJyZW50IHN0YXRlCi0JCQkJICogaXMg T04gYXQgdGhpcyBwb2ludC4KLQkJCQkgKi8KLQkJCQljb25uZWN0b3ItPmRwbXMgPSBEUk1fTU9E RV9EUE1TX09GRjsKLQkJCQlkcm1faGVscGVyX2Nvbm5lY3Rvcl9kcG1zKGNvbm5lY3RvciwgRFJN X01PREVfRFBNU19PTik7Ci0JCQl9Ci0JCQljb25uZWN0b3ItPmRwbXMgPSBzYXZlZF9kcG1zOwor CQlpZiAoZGlnX2Nvbm5lY3Rvci0+ZHBfc2lua190eXBlID09IENPTk5FQ1RPUl9PQkpFQ1RfSURf RElTUExBWVBPUlQgJiYKKwkJICAgIGFtZGdwdV9kaXNwbGF5X2hwZF9zZW5zZShhZGV2LCBhbWRn cHVfY29ubmVjdG9yLT5ocGQuaHBkKSAmJgorCQkgICAgYW1kZ3B1X2F0b21iaW9zX2RwX25lZWRz X2xpbmtfdHJhaW4oYW1kZ3B1X2Nvbm5lY3RvcikpIHsKKwkJCS8qIERvbid0IHN0YXJ0IGxpbmsg dHJhaW5pbmcgYmVmb3JlIHdlIGhhdmUgdGhlIERQQ0QgKi8KKwkJCWlmIChhbWRncHVfYXRvbWJp b3NfZHBfZ2V0X2RwY2QoYW1kZ3B1X2Nvbm5lY3RvcikpCisJCQkJcmV0dXJuOworCisJCQkvKiBU dXJuIHRoZSBjb25uZWN0b3Igb2ZmIGFuZCBiYWNrIG9uIGltbWVkaWF0ZWx5LCB3aGljaAorCQkJ ICogd2lsbCB0cmlnZ2VyIGxpbmsgdHJhaW5pbmcKKwkJCSAqLworCQkJZHJtX2hlbHBlcl9jb25u ZWN0b3JfZHBtcyhjb25uZWN0b3IsIERSTV9NT0RFX0RQTVNfT0ZGKTsKKwkJCWRybV9oZWxwZXJf Y29ubmVjdG9yX2RwbXMoY29ubmVjdG9yLCBEUk1fTU9ERV9EUE1TX09OKTsKIAkJfQogCX0KIH0K LS0gCjIuMTYuMgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==