From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: workaround bad DSL readout v2 Date: Tue, 22 Sep 2015 19:41:16 +0300 Message-ID: <20150922164116.GS26517@intel.com> References: <1441899263-12986-1-git-send-email-jbarnes@virtuousgeek.org> <1441921133-3381-1-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 mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 07A936E1D1 for ; Tue, 22 Sep 2015 09:42:21 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1441921133-3381-1-git-send-email-jbarnes@virtuousgeek.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jesse Barnes Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBTZXAgMTAsIDIwMTUgYXQgMDI6Mzg6NTNQTSAtMDcwMCwgSmVzc2UgQmFybmVzIHdy b3RlOgo+IE9uIEhTVyBhdCBsZWFzdCAoc3RpbGwgdGVzdGluZyBvdGhlciBwbGF0Zm9ybXMsIGJ1 dCBzaG91bGQgYmUgaGFybWxlc3MKPiBlbHNld2hlcmUpLCB0aGUgRFNMIHJlZyByZWFkcyBiYWNr IGFzIDAgd2hlbiByZWFkIGFyb3VuZCB2Ymxhbmsgc3RhcnQKPiB0aW1lLiAgVGhpcyBlbmRzIHVw IGNvbmZ1c2luZyB0aGUgYXRvbWljIHN0YXJ0L2VuZCBjaGVja2luZyBjb2RlLCBzaW5jZQo+IGl0 IGNhdXNlcyB0aGUgdXBkYXRlIHRvIGFwcGVhciBhcyBpZiBpdCBjcm9zc2VkIGEgZnJhbWUgY291 bnQgYm91bmRhcnkuCj4gQXZvaWQgdGhlIHByb2JsZW0gYnkgbWFraW5nIHN1cmUgd2UgZG9uJ3Qg cmV0dXJuIHNjYW5saW5lX29mZnNldCBmcm9tCj4gdGhlIGdldF9jcnRjX3NjYW5saW5lIGZ1bmN0 aW9uLiAgSW4gbW92aW5nIHRoZSBjb2RlIHRoZXJlLCBJIGFkZCB0byBhZGQKPiBhbiBhZGRpdGlv bmFsIGRlbGF5IHNpbmNlIGl0IGNvdWxkIGJlIGNhbGxlZCBhbmQgaGF2ZSBhIGxlZ2l0aW1hdGUg MAo+IHJlc3VsdCBmb3Igc29tZSB0aW1lIChkZXBlbmRpbmcgb24gdGhlIHBpeGVsIGNsb2NrKS4K PiAKPiB2MjogbW92ZSBoc3cgZHNsIHJlYWQgaGFjayB0byBnZXRfY3J0Y19zY2FubGluZSAoVmls bGUpCj4gCj4gUmVmZXJlbmNlczogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9OTE1NzkKPiBTaWduZWQtb2ZmLWJ5OiBKZXNzZSBCYXJuZXMgPGpiYXJuZXNAdmly dHVvdXNnZWVrLm9yZz4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYyB8 IDIxICsrKysrKysrKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hhbmdlZCwgMjEgaW5zZXJ0aW9u cygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+IGluZGV4IDkwYmM2YzIuLjk3ZTVkNTIg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPiBAQCAtNjk3LDYgKzY5NywyNyBAQCBzdGF0 aWMgaW50IF9faW50ZWxfZ2V0X2NydGNfc2NhbmxpbmUoc3RydWN0IGludGVsX2NydGMgKmNydGMp Cj4gIAkJcG9zaXRpb24gPSBfX3Jhd19pOTE1X3JlYWQzMihkZXZfcHJpdiwgUElQRURTTChwaXBl KSkgJiBEU0xfTElORU1BU0tfR0VOMzsKPiAgCj4gIAkvKgo+ICsJICogT24gSFNXLCB0aGUgRFNM IHJlZyAoMHg3MDAwMCkgYXBwZWFycyB0byByZXR1cm4gMCBpZiB3ZQo+ICsJICogcmVhZCBpdCBy aWdodCBhcm91bmQgdGhlIHN0YXJ0IG9mIHZibGFuay4gU28gdHJ5IGl0IGFnYWluCgpNYWtlIHRo YXQgImp1c3QgYmVmb3JlIHRoZSBzdGFydCBvZiB2YmxhbmsiLiBPdGhlcndpc2UgSSdtIHN1cmUg SSdsbApmb3JnZXQgdGhlIGRldGFpbHMgYW5kIHN0YXJ0IHRvIHRoaW5rIGFnYWluIGFib3V0IHVz aW5nIElTUiB0cmlja3MuCgo+ICsJICogc28gd2UgZG9uJ3QgYWNjaWRlbnRhbGx5IGVuZCB1cCBz cGFubmluZyBhIHZibGFuayBmcmFtZQo+ICsJICogaW5jcmVtZW50LCBjYXVzaW5nIHRoZSBwaXBl X3VwZGF0ZV9lbmQoKSBjb2RlIHRvIHNxdWFrIGF0IHVzLgo+ICsJICovCj4gKwlpZiAoSVNfSEFT V0VMTChkZXYpICYmICFwb3NpdGlvbikgewo+ICsJCWludCBpLCB0ZW1wOwo+ICsKPiArCQlmb3Ig KGkgPSAwOyBpIDwgMTAwOyBpKyspIHsKPiArCQkJdWRlbGF5KDEpOwo+ICsJCQl0ZW1wID0gX19y YXdfaTkxNV9yZWFkMzIoZGV2X3ByaXYsIFBJUEVEU0wocGlwZSkpICYKPiArCQkJCURTTF9MSU5F TUFTS19HRU4zOwo+ICsJCQlpZiAodGVtcCAhPSBwb3NpdGlvbikgewo+ICsJCQkJcG9zaXRpb24g PSB0ZW1wOwo+ICsJCQkJZ290byBvdXQ7CgpicmVhayBpcyBlbm91Z2gKCkEgYml0IG5hc3R5IHRo aXMgbG9vcCB3aXRoIGlycXMgb2ZmLCBidXQgaXQncyB0aGUgb25seSB3YXkgd2UgY2FuIGF2b2lk CmNvcnJ1cHRlZCB2YmxhbmsgdGltZXN0YW1wcyBmcm9tIGhhcHBlbmluZyB3aGVuIHRoZSBoYXJk d2FyZSBpcyBvbiB0aGUKZnJpdHouCgpXaXRoIHRoZSBjb21tZW50IHVwZGF0ZWFkIGFuZCBnb3Rv IGtpbGxlZDoKUmV2aWV3ZWQtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51 eC5pbnRlbC5jb20+Cgo+ICsJCQl9Cj4gKwkJfQo+ICsJfQo+ICsKPiArb3V0Ogo+ICsJLyoKPiAg CSAqIFNlZSB1cGRhdGVfc2NhbmxpbmVfb2Zmc2V0KCkgZm9yIHRoZSBkZXRhaWxzIG9uIHRoZQo+ ICAJICogc2NhbmxpbmVfb2Zmc2V0IGFkanVzdG1lbnQuCj4gIAkgKi8KPiAtLSAKPiAxLjkuMQo+ IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cgot LSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=