From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH v2] drm/i915/vlv: Add cdclk workaround for DSI Date: Wed, 20 Dec 2017 11:50:17 +0100 Message-ID: <20171220105017.11259-1-hdegoede@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Cc: Hans de Goede , intel-gfx , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org QXQgbGVhc3Qgb24gdGhlIENodXdpIFZpOCAobm9uIHByby9wbHVzKSB0aGUgTENEIHBhbmVsIHdp bGwgc2hvdyBhbiBpbWFnZQpzaGlmdGVkIGFwcm94LiAyMCUgdG8gdGhlIGxlZnQgKHdpdGggd3Jh cGFyb3VuZCkgYW5kIHNvbWV0aW1lcyBhbHNvIHdyb25nCmNvbG9ycywgc2hvd2luZyB0aGF0IHRo ZSBwYW5lbCBjb250cm9sbGVyIGlzIHN0YXJ0aW5nIHdpdGggc2FtcGxpbmcgdGhlCmRhdGFzdHJl YW0gc29tZXdoZXJlIG1pZC1saW5lLiBUaGlzIGhhcHBlbnMgYWZ0ZXIgdGhlIGZpcnN0IGJsYW5r aW5nIGFuZApyZS1pbml0IG9mIHRoZSBwYW5lbC4KCkFmdGVyIGxvb2tpbmcgYXQgZHJtLmRlYnVn IG91dHB1dCBJIG5vdGljZWQgdGhhdCBpbml0aWFsbHkgd2UgaW5oZXJpdCB0aGUKY2RjbGsgb2Yg MzMzMzMzIEtIeiBzZXQgYnkgdGhlIEdPUCwgYnV0IGFmdGVyIHRoZSByZS1pbml0IHdlIHBpY2tl ZCAyNjY2NjcKS0h6LCB3aGljaCB0dXJucyBvdXQgdG8gYmUgdGhlIGNhdXNlIG9mIHRoaXMgcHJv YmxlbSwgYSBxdWljayBoYWNrIHRvIGhhcmQKY29kZSB0aGUgY2RjbGsgdG8gMzMzMzMzIEtIeiBt YWtlcyB0aGUgcHJvYmxlbSBnbyBhd2F5LgoKSSd2ZSB0ZXN0ZWQgdGhpcyBvbiB2YXJpb3VzIEJh eSBUcmFpbCBkZXZpY2VzLCB0byBtYWtlIHN1cmUgdGhpcyBub3QKY2F1c2VzIHJlZ3Jlc3Npb25z IG9uIG90aGVyIGRldmljZXMgYW5kIHRoZSBoaWdoZXIgY2RjbGsgZG9lcyBub3QgY2F1c2UKYW55 IHByb2JsZW1zIG9uIHRoZSBmb2xsb3dpbmcgZGV2aWNlczoKLUdQLWVsZWN0cm9uaWMgVDcwMSAg ICAgIDEwMjR4NjAwICAgMzMzMzMzIEtIeiBjZGNsayBhZnRlciB0aGlzIHBhdGNoCi1QRUFRIEMx MDEwICAgICAgICAgICAgICAxOTIweDEyMDAgIDMzMzMzMyBLSHogY2RjbGsgYWZ0ZXIgdGhpcyBw YXRjaAotUG9WIG1vYmlpLXdpbnRhYi04MDB3ICAgIDgwMHgxMjgwICAzMzMzMzMgS0h6IGNkY2xr IGFmdGVyIHRoaXMgcGF0Y2gKLUFzdXMgVHJhbnNmb3JtZXItVDEwMFRBIDEzNjh4NzY4ICAgMzIw MDAwIEtIeiBjZGNsayBhZnRlciB0aGlzIHBhdGNoCgpBbHNvIGludGVyZXN0aW5nIHdydCB0aGlz IGlzIHRoZSBjb21tZW50IGluIHZsdl9jYWxjX2NkY2xrIGFib3V0IHRoZQpleGlzdGluZyB3b3Jr YXJvdW5kIHRvIGF2b2lkIDIwMCBNaHogYXMgY2xvY2sgYmVjYXVzZSB0aGF0IGNhdXNlcyBpc3N1 ZXMKaW4gc29tZSBjYXNlcy4KClRoaXMgY29tbWl0IGV4dGVuZHMgdGhlICJkbyBub3QgdXNlIDIw MCBNaHoiIHdvcmthcm91bmQgd2l0aCBhbiBleHRyYQpjaGVjayB0byByZXF1aXJlIGF0bGVhc3Qg MzIwMDAwIEtIeiAoYXZvaWRpbmcgMjY2NjY3IEtIeikgd2hlbiBhIERTSQpwYW5lbCBpcyBhY3Rp dmUuCgpDaGFuZ2VzIGluIHYyOgotQ2hhbmdlIHRoZSBjb21taXQgbWVzc2FnZSBhbmQgdGhlIGNv ZGUgY29tbWVudCB0byBub3QgdHJlYXQgdGhlIEdPUCBhcwogYSByZWZlcmVuY2UsIHRoZSBHT1Ag c2hvdWxkIG5vdCBiZSB0cmVhdGVkIGFzIGEgcmVmZXJlbmNlCgpTaWduZWQtb2ZmLWJ5OiBIYW5z IGRlIEdvZWRlIDxoZGVnb2VkZUByZWRoYXQuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2NkY2xrLmMgfCA4ICsrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25z KCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NkY2xrLmMKaW5kZXggOWM1Y2ViOThkNDhmLi5hMTU5 NzZmNTVmNDcgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NkY2xrLmMK KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYwpAQCAtMTkyMyw2ICsxOTIz LDE0IEBAIGludCBpbnRlbF9jcnRjX2NvbXB1dGVfbWluX2NkY2xrKGNvbnN0IHN0cnVjdCBpbnRl bF9jcnRjX3N0YXRlICpjcnRjX3N0YXRlKQogCWlmIChjcnRjX3N0YXRlLT5oYXNfYXVkaW8gJiYg SU5URUxfR0VOKGRldl9wcml2KSA+PSA5KQogCQltaW5fY2RjbGsgPSBtYXgoMiAqIDk2MDAwLCBt aW5fY2RjbGspOwogCisJLyoKKwkgKiBPbiBWYWxsZXl2aWV3IHNvbWUgRFNJIHBhbmVscyBsb29z ZSAodnxoKXN5bmMgd2hlbiB0aGUgY2xvY2sgaXMgbG93ZXIKKwkgKiB0aGVuIDMyMDAwMEtIei4K KwkgKi8KKwlpZiAoaW50ZWxfY3J0Y19oYXNfdHlwZShjcnRjX3N0YXRlLCBJTlRFTF9PVVRQVVRf RFNJKSAmJgorCSAgICBJU19WQUxMRVlWSUVXKGRldl9wcml2KSkKKwkJbWluX2NkY2xrID0gbWF4 KDMyMDAwMCwgbWluX2NkY2xrKTsKKwogCWlmIChtaW5fY2RjbGsgPiBkZXZfcHJpdi0+bWF4X2Nk Y2xrX2ZyZXEpIHsKIAkJRFJNX0RFQlVHX0tNUygicmVxdWlyZWQgY2RjbGsgKCVkIGtIeikgZXhj ZWVkcyBtYXggKCVkIGtIeilcbiIsCiAJCQkgICAgICBtaW5fY2RjbGssIGRldl9wcml2LT5tYXhf Y2RjbGtfZnJlcSk7Ci0tIAoyLjE0LjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=