From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH] drm/i915: clean up dsi pll calculation Date: Tue, 12 May 2015 15:23:09 +0300 Message-ID: <1431433389-30998-1-git-send-email-jani.nikula@intel.com> References: <20150512112918.GV18908@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 7F2DC6E1AF for ; Tue, 12 May 2015 05:21:03 -0700 (PDT) In-Reply-To: <20150512112918.GV18908@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Jani Nikula Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SW1wcm92ZSByZWFkYWJpbGl0eS4gTm8gZnVuY3Rpb25hbCBjaGFuZ2VzLgoKdjI6IHVzZSBtb3Jl IHJhdGlvbmFsIHR5cGVzIChWaWxsZSkKClNpZ25lZC1vZmYtYnk6IEphbmkgTmlrdWxhIDxqYW5p Lm5pa3VsYUBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpX3Bs bC5jIHwgNTMgKysrKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hh bmdlZCwgMTcgaW5zZXJ0aW9ucygrKSwgMzYgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpX3BsbC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHNpX3BsbC5jCmluZGV4IDM2MjJkMGJhZmRmOC4uY2ZkNTI3NzY1MTU2IDEwMDY0NAot LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kc2lfcGxsLmMKKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHNpX3BsbC5jCkBAIC0xNjIsNTMgKzE2MiwzNCBAQCBzdGF0aWMg dTMyIGRzaV9jbGtfZnJvbV9wY2xrKHUzMiBwY2xrLCBpbnQgcGl4ZWxfZm9ybWF0LCBpbnQgbGFu ZV9jb3VudCkKIAogI2VuZGlmCiAKLXN0YXRpYyBpbnQgZHNpX2NhbGNfbW5wKHUzMiBkc2lfY2xr LCBzdHJ1Y3QgZHNpX21ucCAqZHNpX21ucCkKK3N0YXRpYyBpbnQgZHNpX2NhbGNfbW5wKGludCB0 YXJnZXRfZHNpX2Nsaywgc3RydWN0IGRzaV9tbnAgKmRzaV9tbnApCiB7Ci0JdTMyIG0sIG4sIHA7 Ci0JdTMyIHJlZl9jbGs7Ci0JdTMyIGVycm9yOwotCXUzMiB0bXBfZXJyb3I7Ci0JaW50IHRhcmdl dF9kc2lfY2xrOwotCWludCBjYWxjX2RzaV9jbGs7Ci0JdTMyIGNhbGNfbTsKLQl1MzIgY2FsY19w OworCXVuc2lnbmVkIGludCBjYWxjX20gPSAwLCBjYWxjX3AgPSAwOworCXVuc2lnbmVkIGludCBt LCBuLCBwOworCWludCByZWZfY2xrID0gMjUwMDA7CisJaW50IGRlbHRhID0gdGFyZ2V0X2RzaV9j bGs7CiAJdTMyIG1fc2VlZDsKIAotCS8qIGRzaV9jbGsgaXMgZXhwZWN0ZWQgaW4gS0haICovCi0J aWYgKGRzaV9jbGsgPCAzMDAwMDAgfHwgZHNpX2NsayA+IDExNTAwMDApIHsKKwkvKiB0YXJnZXRf ZHNpX2NsayBpcyBleHBlY3RlZCBpbiBrSHogKi8KKwlpZiAodGFyZ2V0X2RzaV9jbGsgPCAzMDAw MDAgfHwgdGFyZ2V0X2RzaV9jbGsgPiAxMTUwMDAwKSB7CiAJCURSTV9FUlJPUigiRFNJIENMSyBP dXQgb2YgUmFuZ2VcbiIpOwogCQlyZXR1cm4gLUVDSFJORzsKIAl9CiAKLQlyZWZfY2xrID0gMjUw MDA7Ci0JdGFyZ2V0X2RzaV9jbGsgPSBkc2lfY2xrOwotCWVycm9yID0gMHhGRkZGRkZGRjsKLQl0 bXBfZXJyb3IgPSAweEZGRkZGRkZGOwotCWNhbGNfbSA9IDA7Ci0JY2FsY19wID0gMDsKLQotCWZv ciAobSA9IDYyOyBtIDw9IDkyOyBtKyspIHsKLQkJZm9yIChwID0gMjsgcCA8PSA2OyBwKyspIHsK LQkJCS8qIEZpbmQgdGhlIG9wdGltYWwgbSBhbmQgcCBkaXZpc29ycwotCQkJICAgd2l0aCBtaW5p bWFsIGVycm9yICsvLSB0aGUgcmVxdWlyZWQgY2xvY2sgKi8KLQkJCWNhbGNfZHNpX2NsayA9ICht ICogcmVmX2NsaykgLyBwOwotCQkJaWYgKGNhbGNfZHNpX2NsayA9PSB0YXJnZXRfZHNpX2Nsaykg ewotCQkJCWNhbGNfbSA9IG07Ci0JCQkJY2FsY19wID0gcDsKLQkJCQllcnJvciA9IDA7Ci0JCQkJ YnJlYWs7Ci0JCQl9IGVsc2UKLQkJCQl0bXBfZXJyb3IgPSBhYnModGFyZ2V0X2RzaV9jbGsgLSBj YWxjX2RzaV9jbGspOwotCi0JCQlpZiAodG1wX2Vycm9yIDwgZXJyb3IpIHsKLQkJCQllcnJvciA9 IHRtcF9lcnJvcjsKKwlmb3IgKG0gPSA2MjsgbSA8PSA5MiAmJiBkZWx0YTsgbSsrKSB7CisJCWZv ciAocCA9IDI7IHAgPD0gNiAmJiBkZWx0YTsgcCsrKSB7CisJCQkvKgorCQkJICogRmluZCB0aGUg b3B0aW1hbCBtIGFuZCBwIGRpdmlzb3JzIHdpdGggbWluaW1hbCBkZWx0YQorCQkJICogKy8tIHRo ZSByZXF1aXJlZCBjbG9jaworCQkJICovCisJCQlpbnQgY2FsY19kc2lfY2xrID0gKG0gKiByZWZf Y2xrKSAvIHA7CisJCQlpbnQgZCA9IGFicyh0YXJnZXRfZHNpX2NsayAtIGNhbGNfZHNpX2Nsayk7 CisJCQlpZiAoZCA8IGRlbHRhKSB7CisJCQkJZGVsdGEgPSBkOwogCQkJCWNhbGNfbSA9IG07CiAJ CQkJY2FsY19wID0gcDsKIAkJCX0KIAkJfQotCi0JCWlmIChlcnJvciA9PSAwKQotCQkJYnJlYWs7 CiAJfQogCiAJbV9zZWVkID0gbGZzcl9jb252ZXJ0c1tjYWxjX20gLSA2Ml07Ci0tIAoyLjEuNAoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK