From mboxrd@z Thu Jan 1 00:00:00 1970 From: ville.syrjala@linux.intel.com Subject: [PATCH] drm/i915: Workaround CHV pipe C cursor fail Date: Fri, 18 Dec 2015 19:24:39 +0200 Message-ID: <1450459479-16286-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 5BECD6E274 for ; Fri, 18 Dec 2015 09:24:43 -0800 (PST) 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 Cc: Jason Plum , stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KClR1 cm5zIG91dCBDSFYgcGlwZSBDIHdhcyBnbHVlZCBvbiBzb21ld2hhdCBwb29ybHksIGFuZCB0aGVy ZSdzIHNvbWV0aGluZwp3cm9uZyB3aXRoIHRoZSBjdXJzb3IuIElmIHRoZSBjdXJzb3Igc3RyYWRk bGVzIHRoZSBsZWZ0IHNjcmVlbiBlZGdlLAphbmQgaXMgdGhlbiBtb3ZlZCBhd2F5IGZyb20gdGhl IGVkZ2Ugb3IgZGlzYWJsZWQsIHRoZSBwaXBlIHdpbGwgb2Z0ZW4KdW5kZXJydW4uIElmIGVub3Vn aCB1bmRlcnJ1bnMgYXJlIHRyaWdnZXJlZCBxdWlja2x5IGVub3VnaCB0aGUgcGlwZQp3aWxsIGZh bGwgb3ZlciBhbmQgZGllIChpdCBqdXN0IHNjYW5zIG91dCBhIHNvbGlkIGNvbG9yIGFuZCByZXBv cnRzCmEgY29uc3RhbnQgdW5kZXJydW4pLiBXZSBuZWVkIHRvIHR1cm4gdGhlIGRpc3AyZCBwb3dl ciB3ZWxsIG9mZiBhbmQKb24gYWdhaW4gdG8gcmVjb3ZlciB0aGUgcGlwZS4KCk5vbmUgb2YgdGhh dCBpcyB2ZXJ5IG5pY2UgZm9yIHRoZSB1c2VyLCBzbyBsZXQncyBqdXN0IHJlZnVzZSB0byBwbGFj ZQp0aGUgY3Vyc29yIGluIHRoZSBjb21wcm9taXNlZCBwb3NpdGlvbi4gVGhlIGRkeCBhcHBlYXJz IHRvIGZhbGwgYmFjawp0byBzd2N1cnNvciB3aGVuIHRoZSBpb2N0bCByZXR1cm5zIGFuIGVycm9y LCBzbyB0aGVvcmV0aWNhbGx5IHRoZXJlJ3MKbm8gbG9zcyBvZiBmdW5jdGlvbmFsaXR5IGZvciB0 aGUgdXNlciAoZGlzY291bnRpbmcgc3djdXJzb3IgYnVncykuCkkgc3VwcG9zZSBtb3N0IGN1cnNv cnMgaW1hZ2VzIGFjdHVhbGx5IGhhdmUgdGhlIGhvdHNwb3Qgbm90IGV4YWN0bHkKYXQgMCwwIHNv IHVuZGVyIHR5cGljYWwgY29uZGl0aW9ucyB0aGUgZmFsbGJhY2sgd2lsbCBpbiBmYWN0IGtpY2sg aW4KYXMgc29vbiBhcyB0aGUgY3Vyc29yIHRvdWNoZXMgdGhlIGxlZnQgZWRnZSBvZiB0aGUgc2Ny ZWVuLgoKQW55IGF0b21pYyBjb21wb3NpdG9yIHNob3VsZCBhbnl3YXkgYmUgcHJlcGFyZWQgdG8g ZmFsbCBiYWNrIHRvCkdQVSBjb21wb3NpdGlvbiB3aGVuIHRoaW5ncyBkb24ndCB3b3JrIG91dCwg c28gdGhlcmUgc2hvdWxkIGJlIG5vCnByb2JsZW0gd2l0aCB0aG9zZS4KCk90aGVyIHRoaW5ncyB0 aGF0IEkgdHJpZWQgdG8gc29sdmUgdGhpcyBpbmNsdWRlIGZsaXBwaW5nIGFsbApkaXNwbGF5IHJl bGF0ZWQgY2xvY2sgZ2F0aW5nIGtub2JzIEkgY291bGQgZmluZCwgaW5jcmVhc2luZyB0aGUKbWlu aW11bSBndHQgYWxpZ25tZW50IGFsbCB0aGUgd2F5IHVwIHRvIDUxMmsuIEkgYWxzbyB0cmllZCB0 byBzZWUKaWYgdGhlcmUgYXJlIG1vcmUgc3BlY2lmaWMgc2NyZWVuIGNvb3JkaW5hdGVzIHRoYXQg aGl0IHRoZSBidWcsIGJ1dAp0aGUgZmluZGluZ3Mgd2VyZSBzb21ld2hhdCBpbmNvbmNsdXNpdmUu IFNvbWV0aW1lcyB0aGUgZmFpbHVyZXMKaGFwcGVuIGFsbW9zdCBhY3Jvc3MgdGhlIHdob2xlIGxl ZnQgZWRnZSwgc29tZXRpbWVzIG1vcmUgYXQgdGhlIHZlcnkKdG9wIGFuZCBhcm91bmQgdGhlIGJv dHRvbSBoYWxmLiBJIHdhc24ndCBhYmxlIHRvIGZpbmQgYW55IHJlYWwgcGF0dGVybgp0byB0aGVz ZSB2YXJpYXRpb25zLCBzbyBpdCBzZWVtcyBvdXIgb25seSBjaG9pY2UgaXMgdG8ganVzdCByZWZ1 c2UKdG8gc3RyYWRkbGUgdGhlIGxlZnQgc2NyZWVuIGVkZ2UgYXQgYWxsLgoKQ2M6IHN0YWJsZUB2 Z2VyLmtlcm5lbC5vcmcKQ2M6IEphc29uIFBsdW0gPG1heEB3YXJoZWFkcy5uZXQ+ClRlc3RjYXNl OiBpZ3Qva21zX2Nodl9jdXJzb3JfZmFpbApCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNr dG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9OTI4MjYKU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOk bMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMgfCAxNyArKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5n ZWQsIDE3IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKaW5k ZXggYWJkMmQyOTQ0MDIyLi44YWNjNjZiOTUxMzkgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rpc3BsYXkuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k aXNwbGF5LmMKQEAgLTE0MDU5LDYgKzE0MDU5LDcgQEAgaW50ZWxfY2hlY2tfY3Vyc29yX3BsYW5l KHN0cnVjdCBkcm1fcGxhbmUgKnBsYW5lLAogCXN0cnVjdCBkcm1fY3J0YyAqY3J0YyA9IGNydGNf c3RhdGUtPmJhc2UuY3J0YzsKIAlzdHJ1Y3QgZHJtX2ZyYW1lYnVmZmVyICpmYiA9IHN0YXRlLT5i YXNlLmZiOwogCXN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmogPSBpbnRlbF9mYl9vYmoo ZmIpOworCWVudW0gcGlwZSBwaXBlID0gdG9faW50ZWxfcGxhbmUocGxhbmUpLT5waXBlOwogCXVu c2lnbmVkIHN0cmlkZTsKIAlpbnQgcmV0OwogCkBAIC0xNDA5Miw2ICsxNDA5MywyMiBAQCBpbnRl bF9jaGVja19jdXJzb3JfcGxhbmUoc3RydWN0IGRybV9wbGFuZSAqcGxhbmUsCiAJCXJldHVybiAt RUlOVkFMOwogCX0KIAorCS8qCisJICogVGhlcmUncyBzb21ldGhpbmcgd3Jvbmcgd2l0aCB0aGUg Y3Vyc29yIG9uIENIViBwaXBlIEMuCisJICogSWYgaXQgc3RyYWRkbGVzIHRoZSBsZWZ0IGVkZ2Ug b2YgdGhlIHNjcmVlbiB0aGVuCisJICogbW92aW5nIGl0IGF3YXkgZnJvbSB0aGUgZWRnZSBvciBk aXNhYmxpbmcgaXQgb2Z0ZW4KKwkgKiByZXN1bHRzIGluIGEgcGlwZSB1bmRlcnJ1biwgYW5kIG9m dGVuIHRoYXQgY2FuIGxlYWQgdG8KKwkgKiBkZWFkIHBpcGUgKGNvbnN0YW50IHVuZGVycnVuIHJl cG9ydGVkLCBhbmQgaXQgc2NhbnMKKwkgKiBvdXQganVzdCBhIHNvbGlkIGNvbG9yKS4gVG8gcmVj b3ZlciBmcm9tIHRoYXQsIHRoZQorCSAqIGRpc3BsYXkgcG93ZXIgd2VsbCBtdXN0IGJlIHR1cm5l ZCBvZmYgYW5kIG9uIGFnYWluLgorCSAqIFJlZnVzZSB0aGUgcHV0IHRoZSBjdXJzb3IgaW50byB0 aGF0IGNvbXByb21pc2VkIHBvc2l0aW9uLgorCSAqLworCWlmIChJU19DSEVSUllWSUVXKHBsYW5l LT5kZXYpICYmIHBpcGUgPT0gUElQRV9DICYmCisJICAgIHN0YXRlLT52aXNpYmxlICYmIHN0YXRl LT5iYXNlLmNydGNfeCA8IDApIHsKKwkJRFJNX0RFQlVHX0tNUygiQ0hWIGN1cnNvciBDIG5vdCBh bGxvd2VkIHRvIHN0cmFkZGxlIHRoZSBsZWZ0IHNjcmVlbiBlZGdlXG4iKTsKKwkJcmV0dXJuIC1F SU5WQUw7CisJfQorCiAJcmV0dXJuIDA7CiB9CiAKLS0gCjIuNC4xMAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK