From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 21/45] drm/amd/display: Don't skip link training for empty dongle Date: Tue, 11 Dec 2018 17:57:27 -0500 Message-ID: <1544569071-7114-22-git-send-email-sunpeng.li@amd.com> References: <1544569071-7114-1-git-send-email-sunpeng.li@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1544569071-7114-1-git-send-email-sunpeng.li-5C7GfCeVMHo@public.gmane.org> 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 Cc: sunpeng.li-5C7GfCeVMHo@public.gmane.org, Eric Yang RnJvbTogRXJpYyBZYW5nIDxFcmljLllhbmcyQGFtZC5jb20+CgpbV2h5XQpTa2lwcGluZyBpbml0 aWFsIGxpbmsgdHJhaW5pbmcgd2lsbCByZXN1bHQgaW4gbm8gdmVyaWZpZWQgbGluayBjYXAgZm9y Cm1vZGUgZW51bWVyYXRpb24uIFNvbWUgdmVyc2lvbnMgb2YgdGhlIEJJT1Mgc2VlbSB0byBoYXZl IFBIWSBwcm9ncmFtbWluZwpzZXF1ZW5jZSBpc3N1ZSBhcyB3ZWxsIGlmIGluaXRpYWwgbGluayB0 cmFpbmluZyBpcyBza2lwcGVkLCByZXN1bHRpbmcgaW4KYSBzb2Z0bG9jayBpbiBCSU9TIGNvbW1h bmQgdGFibGUuCgpbSG93XQpJZGVudGlmeSB0aGUgZW1wdHkgZG9uZ2xlIGhvdHBsdWcgY2FzZSwg YW5kIHN0aWxsIGRvIGluaXRpYWwgbGluawp0cmFpbmluZy4KClNpZ25lZC1vZmYtYnk6IEVyaWMg WWFuZyA8RXJpYy5ZYW5nMkBhbWQuY29tPgpSZXZpZXdlZC1ieTogVG9ueSBDaGVuZyA8VG9ueS5D aGVuZ0BhbWQuY29tPgpBY2tlZC1ieTogTGVvIExpIDxzdW5wZW5nLmxpQGFtZC5jb20+Ci0tLQog ZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5L2RjL2NvcmUvZGNfbGluay5jIHwgMTggKysrKysr KysrKysrKysrKy0tCiAxIGZpbGUgY2hhbmdlZCwgMTYgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlv bnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9k Y19saW5rLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9kY19saW5rLmMK aW5kZXggNWU3ZTlhYi4uMmI4MmVhOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9k aXNwbGF5L2RjL2NvcmUvZGNfbGluay5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvZGlzcGxh eS9kYy9jb3JlL2RjX2xpbmsuYwpAQCAtNzAyLDEyICs3MDIsMjYgQEAgYm9vbCBkY19saW5rX2Rl dGVjdChzdHJ1Y3QgZGNfbGluayAqbGluaywgZW51bSBkY19kZXRlY3RfcmVhc29uIHJlYXNvbikK IAkJCQlpZiAobWVtY21wKCZsaW5rLT5kcGNkX2NhcHMsICZwcmV2X2RwY2RfY2Fwcywgc2l6ZW9m KHN0cnVjdCBkcGNkX2NhcHMpKSkKIAkJCQkJc2FtZV9kcGNkID0gZmFsc2U7CiAJCQl9Ci0JCQkv KiBBY3RpdmUgZG9uZ2xlIGRvd25zdHJlYW0gdW5wbHVnICovCisJCQkvKiBBY3RpdmUgZG9uZ2xl IHBsdWcgaW4gd2l0aG91dCBkaXNwbGF5IG9yIGRvd25zdHJlYW0gdW5wbHVnKi8KIAkJCWlmIChs aW5rLT50eXBlID09IGRjX2Nvbm5lY3Rpb25fYWN0aXZlX2RvbmdsZQogCQkJCQkmJiBsaW5rLT5k cGNkX2NhcHMuc2lua19jb3VudC4KIAkJCQkJYml0cy5TSU5LX0NPVU5UID09IDApIHsKLQkJCQlp ZiAocHJldl9zaW5rICE9IE5VTEwpCisJCQkJaWYgKHByZXZfc2luayAhPSBOVUxMKSB7CisJCQkJ CS8qIERvd25zdHJlYW0gdW5wbHVnICovCiAJCQkJCWRjX3NpbmtfcmVsZWFzZShwcmV2X3Npbmsp OworCQkJCX0gZWxzZSB7CisJCQkJCS8qIEVtcHR5IGRvbmdsZSBwbHVnIGluICovCisJCQkJCWZv ciAoaSA9IDA7IGkgPCBMSU5LX1RSQUlOSU5HX01BWF9WRVJJRllfUkVUUlk7IGkrKykgeworCQkJ CQkJaW50IGZhaWxfY291bnQgPSAwOworCisJCQkJCQlkcF92ZXJpZnlfbGlua19jYXAobGluaywK KwkJCQkJCQkJICAmbGluay0+cmVwb3J0ZWRfbGlua19jYXAsCisJCQkJCQkJCSAgJmZhaWxfY291 bnQpOworCisJCQkJCQlpZiAoZmFpbF9jb3VudCA9PSAwKQorCQkJCQkJCWJyZWFrOworCQkJCQl9 CisJCQkJfQogCQkJCXJldHVybiB0cnVlOwogCQkJfQogCi0tIAoyLjcuNAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QK YW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==