From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: [PATCH 1/2] drm/i915: workaround bad DSL readout in start of pipe update Date: Thu, 10 Sep 2015 08:34:22 -0700 Message-ID: <1441899263-12986-1-git-send-email-jbarnes@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from gproxy8-pub.mail.unifiedlayer.com (gproxy8-pub.mail.unifiedlayer.com [67.222.33.93]) by gabe.freedesktop.org (Postfix) with SMTP id 542946E51D for ; Thu, 10 Sep 2015 08:34:34 -0700 (PDT) Received: from [67.161.37.189] (port=40588 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1.2:AES128-SHA256:128) (Exim 4.84) (envelope-from ) id 1Za3ro-0002Uk-Ng for intel-gfx@lists.freedesktop.org; Thu, 10 Sep 2015 09:34:28 -0600 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gSFNXIGF0IGxlYXN0IChzdGlsbCB0ZXN0aW5nIG90aGVyIHBsYXRmb3JtcywgYnV0IHNob3Vs ZCBiZSBoYXJtbGVzcwplbHNld2hlcmUpLCB0aGUgRFNMIHJlZyByZWFkcyBiYWNrIGFzIDAgd2hl biByZWFkIGFyb3VuZCB2Ymxhbmsgc3RhcnQKdGltZS4gIFRoaXMgZW5kcyB1cCBjb25mdXNpbmcg dGhlIGF0b21pYyBzdGFydC9lbmQgY2hlY2tpbmcgY29kZSwgc2luY2UKaXQgY2F1c2VzIHRoZSB1 cGRhdGUgdG8gYXBwZWFyIGFzIGlmIGl0IGNyb3NzZWQgYSBmcmFtZSBjb3VudCBib3VuZGFyeS4K V29ya2Fyb3VuZCB0aGF0IGJ5IGF2b2lkaW5nIHVwZGF0ZXMgaW4gdGhlIGZpcnN0IGNvdXBsZSBv ZiBzY2FubGluZXMuCkluIHRlc3RpbmcsIGV2ZW4gYSBkZWxheSBvZiBhIHNpbmdsZSBtaWNyb3Nl Y29uZCBpcyBlbm91Z2ggdG8gZ2l2ZSB1cyBhCmdvb2QgRFNMIHZhbHVlIGFnYWluLCBzbyB0aGUg bWlsbGlzZWNvbmQgd2UnbGwgd2FpdCB3aGVuIHdlIGhpdCB0aGlzCmNhc2Ugb2NjYXNpb25hbGx5 IG91Z2h0IHRvIGJlIHBsZW50eS4KClJlZmVyZW5jZXM6IGh0dHBzOi8vYnVncy5mcmVlZGVza3Rv cC5vcmcvc2hvd19idWcuY2dpP2lkPTkxNTc5ClNpZ25lZC1vZmYtYnk6IEplc3NlIEJhcm5lcyA8 amJhcm5lc0B2aXJ0dW91c2dlZWsub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3Nwcml0ZS5jIHwgMTAgKysrKysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygr KSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3Nwcml0ZS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMKaW5kZXggY2E3 ZTI2NC4uMGMyYzYyZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3By aXRlLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMKQEAgLTExMyw4 ICsxMTMsMTYgQEAgdm9pZCBpbnRlbF9waXBlX3VwZGF0ZV9zdGFydChzdHJ1Y3QgaW50ZWxfY3J0 YyAqY3J0YykKIAkJICovCiAJCXByZXBhcmVfdG9fd2FpdCh3cSwgJndhaXQsIFRBU0tfVU5JTlRF UlJVUFRJQkxFKTsKIAorCQkvKgorCQkgKiBPbiBIU1csIHRoZSBEU0wgcmVnICgweDcwMDAwKSBh cHBlYXJzIHRvIHJldHVybiAwIGlmIHdlCisJCSAqIHJlYWQgaXQgcmlnaHQgYXJvdW5kIHRoZSBz dGFydCBvZiB2YmxhbmsuICBTbyBza2lwIHBhc3QgaXQKKwkJICogc28gd2UgZG9uJ3QgYWNjaWRl bnRhbGx5IGVuZCB1cCBzcGFubmluZyBhIHZibGFuayBmcmFtZQorCQkgKiBpbmNyZW1lbnQsIGNh dXNpbmcgdGhlIHVwZGF0ZV9lbmQoKSBjb2RlIHRvIHNxdWFrIGF0IHVzLgorCQkgKiAoV2UgdXNl IDIgaW4gdGhlIGNvbXBhcmlzb24gdG8gYWNjb3VudCBmb3IgdGhlCisJCSAqIHNjYW5saW5lX29m ZnNldCB1c2VkIHRvIGNvcnJlY3QgdGhlIERTTCByZWFkb3V0LikKKwkJICovCiAJCXNjYW5saW5l ID0gaW50ZWxfZ2V0X2NydGNfc2NhbmxpbmUoY3J0Yyk7Ci0JCWlmIChzY2FubGluZSA8IG1pbiB8 fCBzY2FubGluZSA+IG1heCkKKwkJaWYgKHNjYW5saW5lID4gMiAmJiAoc2NhbmxpbmUgPCBtaW4g fHwgc2NhbmxpbmUgPiBtYXgpKQogCQkJYnJlYWs7CiAKIAkJaWYgKHRpbWVvdXQgPD0gMCkgewot LSAKMS45LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==