From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harry Wentland Subject: [PATCH 2/2] drm/amd/display: Retry link training at verify_link_cap stage Date: Thu, 14 Jun 2018 13:43:32 -0400 Message-ID: <20180614174332.19159-2-harry.wentland@amd.com> References: <20180614174332.19159-1-harry.wentland@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180614174332.19159-1-harry.wentland-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: Wenjing Liu , Harry Wentland U29tZSByZWNlaXZlcnMgc2VlbSB0byBmYWlsIHRoZSBmaXJzdCBsaW5rIHRyYWluaW5nIGJ1dCBh cmUgb24gZ29vZCBvbgpzdWJzZXF1ZW50IHRyaWVzLiBTZXQgYSBsaW1pdCBvZiAyIHJldHJpZXMg Zm9yIGVhY2ggbGV2ZWwgYmVmb3JlIGZhbGxpbmcKYmFjay4KClNpZ25lZC1vZmYtYnk6IEhhcnJ5 IFdlbnRsYW5kIDxoYXJyeS53ZW50bGFuZEBhbWQuY29tPgpDQzogV2VuamluZyBMaXUgPFdlbmpp bmcuTGl1QGFtZC5jb20+Ci0tLQogLi4uL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9kY19s aW5rX2RwLmMgIHwgMjggKysrKysrKysrKysrKy0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDIwIGlu c2VydGlvbnMoKyksIDggZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2FtZC9kaXNwbGF5L2RjL2NvcmUvZGNfbGlua19kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9k aXNwbGF5L2RjL2NvcmUvZGNfbGlua19kcC5jCmluZGV4IDcyYThhNTU1NjVjOC4uMDM3ZDNiY2Zj MmNjIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9kY19s aW5rX2RwLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5L2RjL2NvcmUvZGNfbGlu a19kcC5jCkBAIC0zMSw3ICszMSwxNCBAQCBlbnVtIHsKIAkvKiB0byBhdm9pZCBpbmZpbml0ZSBs b29wIHdoZXJlLWluIHRoZSByZWNlaXZlcgogCSAqIHN3aXRjaGVzIGJldHdlZW4gZGlmZmVyZW50 IFZTCiAJICovCi0JTElOS19UUkFJTklOR19NQVhfQ1JfUkVUUlkgPSAxMDAKKwlMSU5LX1RSQUlO SU5HX01BWF9DUl9SRVRSWSA9IDEwMCwKKwkvKgorCSAqIFNvbWUgcmVjZWl2ZXJzIGZhaWwgdG8g dHJhaW4gb24gZmlyc3QgdHJ5IGFuZCBhcmUgZ29vZAorCSAqIG9uIHN1YnNlcXVlbnQgdHJpZXMu IDIgcmV0cmllcyBzaG91bGQgYmUgcGxlbnR5LiBJZiB3ZQorCSAqIGRvbid0IGhhdmUgYSBzdWNj ZXNzZnVsIHRyYWluaW5nIHRoZW4gd2UgZG9uJ3QgZXhwZWN0IHRvCisJICogZXZlciBnZXQgb25l LgorCSAqLworCUxJTktfVFJBSU5JTkdfTUFYX1ZFUklGWV9SRVRSWSA9IDIKIH07CiAKIHN0YXRp YyBib29sIGRlY2lkZV9mYWxsYmFja19saW5rX3NldHRpbmcoCkBAIC0xMTQyLDE1ICsxMTQ5LDIw IEBAIGJvb2wgZHBfaGJyX3ZlcmlmeV9saW5rX2NhcCgKIAkJCQljdXIpOwogCiAKLQkJaWYgKHNr aXBfbGlua190cmFpbmluZykKKwkJaWYgKHNraXBfbGlua190cmFpbmluZykgewogCQkJc3VjY2Vz cyA9IHRydWU7Ci0JCWVsc2UgewotCQkJc3RhdHVzID0gZGNfbGlua19kcF9wZXJmb3JtX2xpbmtf dHJhaW5pbmcoCi0JCQkJCQkJbGluaywKLQkJCQkJCQljdXIsCisJCX0gZWxzZSB7CisJCQlpbnQg aTsKKworCQkJZm9yIChpID0gMDsgaSA8IExJTktfVFJBSU5JTkdfTUFYX1ZFUklGWV9SRVRSWTsg aSsrKSB7CisJCQkJc3RhdHVzID0gZGNfbGlua19kcF9wZXJmb3JtX2xpbmtfdHJhaW5pbmcoCisJ CQkJCQkJbGluaywgY3VyLAogCQkJCQkJCXNraXBfdmlkZW9fcGF0dGVybik7Ci0JCQlpZiAoc3Rh dHVzID09IExJTktfVFJBSU5JTkdfU1VDQ0VTUykKLQkJCQlzdWNjZXNzID0gdHJ1ZTsKKwkJCQlp ZiAoc3RhdHVzID09IExJTktfVFJBSU5JTkdfU1VDQ0VTUykgeworCQkJCQlzdWNjZXNzID0gdHJ1 ZTsKKwkJCQkJYnJlYWs7CisJCQkJfQorCQkJfQogCQl9CiAKIAkJaWYgKHN1Y2Nlc3MpCi0tIAoy LjE3LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFt ZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=