From mboxrd@z Thu Jan 1 00:00:00 1970 From: ville.syrjala@linux.intel.com Subject: [PATCH 1/2] drm/i915: Fix gen2 scanout position readout Date: Fri, 11 Oct 2013 21:52:43 +0300 Message-ID: <1381517564-6378-2-git-send-email-ville.syrjala@linux.intel.com> References: <1381517564-6378-1-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 mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id C2650E6CA4 for ; Fri, 11 Oct 2013 11:52:57 -0700 (PDT) In-Reply-To: <1381517564-6378-1-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCkdl bjIgZG9lc24ndCBoYXZlIHRoZSBwaXhlbGNvdW50IHJlZ2lzdGVyIHRoYXQgZ2VuMyBhbmQgZ2Vu NCBoYXZlLgpJbnN0ZWFkIHdlIG11c3QgdXNlIHRoZSBzY2FubGluZSBjb3VudGVyIGxpa2Ugd2Ug ZG8gZm9yIGN0ZysuCgpTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmph bGFAbGludXguaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMg fCAyMSArKysrKysrKysrKysrKystLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxNSBpbnNlcnRpb25z KCspLCA2IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfaXJxLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCmluZGV4IDYzYTk2NDIu LjNjMzFhMmYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwpAQCAtNTkyLDcgKzU5Miw3IEBAIHN0 YXRpYyB1MzIgZ200NV9nZXRfdmJsYW5rX2NvdW50ZXIoc3RydWN0IGRybV9kZXZpY2UgKmRldiwg aW50IHBpcGUpCiAJcmV0dXJuIEk5MTVfUkVBRChyZWcpOwogfQogCi1zdGF0aWMgYm9vbCBnNHhf cGlwZV9pbl92Ymxhbmsoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgZW51bSBwaXBlIHBpcGUpCitz dGF0aWMgYm9vbCBpbnRlbF9waXBlX2luX3ZibGFuayhzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCBl bnVtIHBpcGUgcGlwZSkKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBk ZXYtPmRldl9wcml2YXRlOwogCXVpbnQzMl90IHN0YXR1czsKQEAgLTYwMyw3ICs2MDMsMTMgQEAg c3RhdGljIGJvb2wgZzR4X3BpcGVfaW5fdmJsYW5rKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIGVu dW0gcGlwZSBwaXBlKQogCQkJSTkxNV9ESVNQTEFZX1BJUEVfQl9WQkxBTktfSU5URVJSVVBUOwog CiAJCXJldHVybiBJOTE1X1JFQUQoVkxWX0lTUikgJiBzdGF0dXM7Ci0JfSBlbHNlIGlmIChJU19H NFgoZGV2KSkgeworCX0gZWxzZSBpZiAoSVNfR0VOMihkZXYpKSB7CisJCXN0YXR1cyA9IHBpcGUg PT0gUElQRV9BID8KKwkJCUk5MTVfRElTUExBWV9QSVBFX0FfVkJMQU5LX0lOVEVSUlVQVCA6CisJ CQlJOTE1X0RJU1BMQVlfUElQRV9CX1ZCTEFOS19JTlRFUlJVUFQ7CisKKwkJcmV0dXJuIEk5MTVf UkVBRDE2KElTUikgJiBzdGF0dXM7CisJfSBlbHNlIGlmIChJTlRFTF9JTkZPKGRldiktPmdlbiA8 IDUpIHsKIAkJc3RhdHVzID0gcGlwZSA9PSBQSVBFX0EgPwogCQkJSTkxNV9ESVNQTEFZX1BJUEVf QV9WQkxBTktfSU5URVJSVVBUIDoKIAkJCUk5MTVfRElTUExBWV9QSVBFX0JfVkJMQU5LX0lOVEVS UlVQVDsKQEAgLTY1OCwxMSArNjY0LDE0IEBAIHN0YXRpYyBpbnQgaTkxNV9nZXRfY3J0Y19zY2Fu b3V0cG9zKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIGludCBwaXBlLAogCiAJcmV0IHw9IERSTV9T Q0FOT1VUUE9TX1ZBTElEIHwgRFJNX1NDQU5PVVRQT1NfQUNDVVJBVEU7CiAKLQlpZiAoSVNfRzRY KGRldikgfHwgSU5URUxfSU5GTyhkZXYpLT5nZW4gPj0gNSkgeworCWlmIChJU19HRU4yKGRldikg fHwgSVNfRzRYKGRldikgfHwgSU5URUxfSU5GTyhkZXYpLT5nZW4gPj0gNSkgewogCQkvKiBObyBv YnZpb3VzIHBpeGVsY291bnQgcmVnaXN0ZXIuIE9ubHkgcXVlcnkgdmVydGljYWwKIAkJICogc2Nh bm91dCBwb3NpdGlvbiBmcm9tIERpc3BsYXkgc2NhbiBsaW5lIHJlZ2lzdGVyLgogCQkgKi8KLQkJ cG9zaXRpb24gPSBJOTE1X1JFQUQoUElQRURTTChwaXBlKSkgJiAweDFmZmY7CisJCWlmIChJU19H RU4yKGRldikpCisJCQlwb3NpdGlvbiA9IEk5MTVfUkVBRChQSVBFRFNMKHBpcGUpKSAmIERTTF9M SU5FTUFTS19HRU4yOworCQllbHNlCisJCQlwb3NpdGlvbiA9IEk5MTVfUkVBRChQSVBFRFNMKHBp cGUpKSAmIERTTF9MSU5FTUFTS19HRU4zOwogCiAJCS8qCiAJCSAqIFRoZSBzY2FubGluZSBjb3Vu dGVyIGluY3JlbWVudHMgYXQgdGhlIGxlYWRpbmcgZWRnZQpAQCAtNjcxLDcgKzY4MCw3IEBAIHN0 YXRpYyBpbnQgaTkxNV9nZXRfY3J0Y19zY2Fub3V0cG9zKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYs IGludCBwaXBlLAogCQkgKiB0byBnZXQgYSBtb3JlIGFjY3VyYXRlIHBpY3R1cmUgd2hldGhlciB3 ZSdyZSBpbiB2YmxhbmsKIAkJICogb3Igbm90LgogCQkgKi8KLQkJaW5fdmJsID0gZzR4X3BpcGVf aW5fdmJsYW5rKGRldiwgcGlwZSk7CisJCWluX3ZibCA9IGludGVsX3BpcGVfaW5fdmJsYW5rKGRl diwgcGlwZSk7CiAJCWlmICgoaW5fdmJsICYmIHBvc2l0aW9uID09IHZibF9zdGFydCAtIDEpIHx8 CiAJCSAgICAoIWluX3ZibCAmJiBwb3NpdGlvbiA9PSB2YmxfZW5kIC0gMSkpCiAJCQlwb3NpdGlv biA9IChwb3NpdGlvbiArIDEpICUgdnRvdGFsOwpAQCAtNzAxLDcgKzcxMCw3IEBAIHN0YXRpYyBp bnQgaTkxNV9nZXRfY3J0Y19zY2Fub3V0cG9zKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIGludCBw aXBlLAogCWVsc2UKIAkJcG9zaXRpb24gKz0gdnRvdGFsIC0gdmJsX2VuZDsKIAotCWlmIChJU19H NFgoZGV2KSB8fCBJTlRFTF9JTkZPKGRldiktPmdlbiA+PSA1KSB7CisJaWYgKElTX0dFTjIoZGV2 KSB8fCBJU19HNFgoZGV2KSB8fCBJTlRFTF9JTkZPKGRldiktPmdlbiA+PSA1KSB7CiAJCSp2cG9z ID0gcG9zaXRpb247CiAJCSpocG9zID0gMDsKIAl9IGVsc2UgewotLSAKMS44LjEuNQoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK