From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v5 07/11] drm/rockchip: Check for fast link training before enabling psr Date: Thu, 25 Jul 2019 20:39:42 +0200 Message-ID: <3530881.Ri8gbRaMhX@phil> References: <20190611160844.257498-1-sean@poorly.run> <20190611160844.257498-8-sean@poorly.run> <20190725180812.GO104440@art_vandelay> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id C00476E80E for ; Thu, 25 Jul 2019 18:39:54 +0000 (UTC) In-Reply-To: <20190725180812.GO104440@art_vandelay> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Sean Paul Cc: Zain Wang , David Airlie , dri-devel@lists.freedesktop.org, Tomasz Figa , Sean Paul , Laurent Pinchart List-Id: dri-devel@lists.freedesktop.org SGkgU2VhbiwKCkFtIERvbm5lcnN0YWcsIDI1LiBKdWxpIDIwMTksIDIwOjA4OjEyIENFU1Qgc2No cmllYiBTZWFuIFBhdWw6Cj4gT24gVHVlLCBKdW4gMTEsIDIwMTkgYXQgMTI6MDg6MjFQTSAtMDQw MCwgU2VhbiBQYXVsIHdyb3RlOgo+ID4gRnJvbTogU2VhbiBQYXVsIDxzZWFucGF1bEBjaHJvbWl1 bS5vcmc+Cj4gPiAKPiA+IE9uY2Ugd2Ugc3RhcnQgc2h1dHRpbmcgb2ZmIHRoZSBsaW5rIGR1cmlu ZyBQU1IsIHdlJ3JlIGdvaW5nIHRvIHdhbnQgZmFzdAo+ID4gdHJhaW5pbmcgdG8gd29yay4gSWYg dGhlIGRpc3BsYXkgZG9lc24ndCBzdXBwb3J0IGZhc3QgdHJhaW5pbmcsIGRvbid0Cj4gPiBlbmFi bGUgcHNyLgo+ID4gCj4gPiBDaGFuZ2VzIGluIHYyOgo+ID4gLSBOb25lCj4gPiBDaGFuZ2VzIGlu IHYzOgo+ID4gLSBOb25lCj4gPiBDaGFuZ2VzIGluIHY0Ogo+ID4gLSBOb25lCj4gPiBDaGFuZ2Vz IGluIHY1Ogo+ID4gLSBOb25lCj4gPiAKPiA+IExpbmsgdG8gdjE6IGh0dHBzOi8vcGF0Y2h3b3Jr LmZyZWVkZXNrdG9wLm9yZy9wYXRjaC9tc2dpZC8yMDE5MDIyODIxMDkzOS44MzM4Ni0zLXNlYW5A cG9vcmx5LnJ1bgo+ID4gTGluayB0byB2MjogaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Au b3JnL3BhdGNoL21zZ2lkLzIwMTkwMzI2MjA0NTA5Ljk2NTE1LTItc2VhbkBwb29ybHkucnVuCj4g PiBMaW5rIHRvIHYzOiBodHRwczovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvcGF0Y2gvbXNn aWQvMjAxOTA1MDIxOTQ5NTYuMjE4NDQxLTktc2VhbkBwb29ybHkucnVuCj4gPiBMaW5rIHRvIHY0 OiBodHRwczovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvcGF0Y2gvbXNnaWQvMjAxOTA1MDgx NjA5MjAuMTQ0NzM5LTgtc2VhbkBwb29ybHkucnVuCj4gPiAKPiA+IENjOiBaYWluIFdhbmcgPHd6 ekByb2NrLWNoaXBzLmNvbT4KPiA+IENjOiBUb21hc3ogRmlnYSA8dGZpZ2FAY2hyb21pdW0ub3Jn Pgo+ID4gVGVzdGVkLWJ5OiBIZWlrbyBTdHVlYm5lciA8aGVpa29Ac250ZWNoLmRlPgo+IAo+IEBI ZWlrbywgY291bGQgeW91IHBsZWFzZSByZXZpZXcgcGF0Y2hlcyA3LTExPyBJJ20gd29ycmllZCB0 aGV5J3JlIGdvaW5nIHRvIHN0YXJ0Cj4gdG8gcm90IGFuZCB0aGUgaGVscGVycyBoYXZlIGFscmVh ZHkgbGFuZGVkIGluIExpbnVzJyB0cmVlLgoKSSBkaWQgbG9vayB0aHJvdWdoIHRoZSBwYXRjaGVz IGFuZCBub3RoaW5nIG91dCBvZiB0aGUgb3JkaW5hcnkgc3ByYW5nCm91dCB0byBteSAoc29tZXdo YXQgdW50cmFpbmVkKSBleWUgYW5kIGp1ZGdpbmcgYnkgbXkgdGVzdGVkLXRhZ3MgSSBhbHNvCmdh dmUgdGhlbSBhIHNwaW4gYXQgc29tZSBwb2ludCAtIGFsdGhvdWdoIGl0IHNlZW1zIEkgbmV2ZXIg d2FzIGFjdHVhbGx5IG9uCmNjIGZvciB0aGVtLgoKSW4gYW55IGNhc2UgdGhleSBsb29rIGdvb2Qg dG8gbWUsIHNvIGlmIGl0IGhlbHBzIHlvdSwgeW91IGNhbiBhZGQgbXkKCVJldmlld2VkLWJ5OiBI ZWlrbyBTdHVlYm5lciA8aGVpa29Ac250ZWNoLmRlPgp0aG91Z2ggc2hvdWxkIHRha2UgdGhlIHRl Y2huaWNhbCBleHBlcnRpc2Ugb24gZHJtLWludGVybmFscyB3aXRoIGEKZ3JhaW4gb2Ygc2FsdC4K CgpIZWlrbwoKCgo+ID4gU2lnbmVkLW9mZi1ieTogU2VhbiBQYXVsIDxzZWFucGF1bEBjaHJvbWl1 bS5vcmc+Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL2dwdS9kcm0vYnJpZGdlL2FuYWxvZ2l4L2FuYWxv Z2l4X2RwX2NvcmUuYyB8IDkgKysrKystLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0 aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1 L2RybS9icmlkZ2UvYW5hbG9naXgvYW5hbG9naXhfZHBfY29yZS5jIGIvZHJpdmVycy9ncHUvZHJt L2JyaWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9jb3JlLmMKPiA+IGluZGV4IGQyZGU5OGQ0NDE4 NDUuLmEwN2QxOWUwOGI4MDMgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYnJpZGdl L2FuYWxvZ2l4L2FuYWxvZ2l4X2RwX2NvcmUuYwo+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2Jy aWRnZS9hbmFsb2dpeC9hbmFsb2dpeF9kcF9jb3JlLmMKPiA+IEBAIC0xMDQwLDE2ICsxMDQwLDE3 IEBAIHN0YXRpYyBpbnQgYW5hbG9naXhfZHBfY29tbWl0KHN0cnVjdCBhbmFsb2dpeF9kcF9kZXZp Y2UgKmRwKQo+ID4gIAlpZiAocmV0KQo+ID4gIAkJcmV0dXJuIHJldDsKPiA+ICAKPiA+ICsJLyog Q2hlY2sgd2hldGhlciBwYW5lbCBzdXBwb3J0cyBmYXN0IHRyYWluaW5nICovCj4gPiArCXJldCA9 IGFuYWxvZ2l4X2RwX2Zhc3RfbGlua190cmFpbl9kZXRlY3Rpb24oZHApOwo+ID4gKwlpZiAocmV0 KQo+ID4gKwkJZHAtPnBzcl9lbmFibGUgPSBmYWxzZTsKPiA+ICsKPiA+ICAJaWYgKGRwLT5wc3Jf ZW5hYmxlKSB7Cj4gPiAgCQlyZXQgPSBhbmFsb2dpeF9kcF9lbmFibGVfc2lua19wc3IoZHApOwo+ ID4gIAkJaWYgKHJldCkKPiA+ICAJCQlyZXR1cm4gcmV0Owo+ID4gIAl9Cj4gPiAgCj4gPiAtCS8q IENoZWNrIHdoZXRoZXIgcGFuZWwgc3VwcG9ydHMgZmFzdCB0cmFpbmluZyAqLwo+ID4gLQlyZXQg PSAgYW5hbG9naXhfZHBfZmFzdF9saW5rX3RyYWluX2RldGVjdGlvbihkcCk7Cj4gPiAtCWlmIChy ZXQpCj4gPiAtCQlkcC0+cHNyX2VuYWJsZSA9IGZhbHNlOwo+ID4gIAo+ID4gIAlyZXR1cm4gcmV0 Owo+ID4gIH0KPiAKPiAKCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ry aS1kZXZlbA==