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: Mon, 14 Sep 2015 21:47:04 +0300 Message-ID: <20150914184704.GV26517@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 mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id AABDD6E8C5 for ; Mon, 14 Sep 2015 11:47:07 -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 aWdodCBhcm91bmQgdGhlIHN0YXJ0IG9mIHZibGFuay4gIFNvIHRyeSBpdCBhZ2Fpbgo+ICsJICog c28gd2UgZG9uJ3QgYWNjaWRlbnRhbGx5IGVuZCB1cCBzcGFubmluZyBhIHZibGFuayBmcmFtZQo+ ICsJICogaW5jcmVtZW50LCBjYXVzaW5nIHRoZSBwaXBlX3VwZGF0ZV9lbmQoKSBjb2RlIHRvIHNx dWFrIGF0IHVzLgo+ICsJICovCj4gKwlpZiAoSVNfSEFTV0VMTChkZXYpICYmICFwb3NpdGlvbikg ewo+ICsJCWludCBpLCB0ZW1wOwo+ICsKPiArCQlmb3IgKGkgPSAwOyBpIDwgMTAwOyBpKyspIHsK PiArCQkJdWRlbGF5KDEpOwo+ICsJCQl0ZW1wID0gX19yYXdfaTkxNV9yZWFkMzIoZGV2X3ByaXYs IFBJUEVEU0wocGlwZSkpICYKPiArCQkJCURTTF9MSU5FTUFTS19HRU4zOwo+ICsJCQlpZiAodGVt cCAhPSBwb3NpdGlvbikgewo+ICsJCQkJcG9zaXRpb24gPSB0ZW1wOwo+ICsJCQkJZ290byBvdXQ7 Cj4gKwkJCX0KPiArCQl9Cj4gKwl9CgpJIG1lbnRpb25lZCB0aGlzIG9uIGlyYywgYnV0IEknbGwg cmVwZWF0IGhlcmUgc28gd2UgaGF2ZSBpdCBvbiByZWNvcmQKc29tZXdoZXJlOyBUaGVyZSdzIGFu b3RoZXIgc2NhbmxpbmUgcmVnaXN0ZXIgb24gaHN3KyBpbiB0aGUgdHJhbnNjb2Rlci4KV2Ugc2hv dWxkIGRlZmluaXRlbHkgY2hlY2sgaWYgdGhhdCBzdWZmZXJzIGZyb20gdGhlIHNhbWUgZmF1bHQu CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2ludGVsLWdmeAo=