From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH] drm/i915: clean up dsi pll calculation Date: Thu, 7 May 2015 17:14:17 +0300 Message-ID: <1431008057-9251-1-git-send-email-jani.nikula@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 [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id EFEBE6E813 for ; Thu, 7 May 2015 07:12:13 -0700 (PDT) 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: jani.nikula@intel.com List-Id: intel-gfx@lists.freedesktop.org SW1wcm92ZSByZWFkYWJpbGl0eS4gTm8gZnVuY3Rpb25hbCBjaGFuZ2VzLgoKU2lnbmVkLW9mZi1i eTogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KCi0tLQoKQ2xlYW5pbmcgdXAg b2xkIGJyYW5jaGVzLi4uIDopCi0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpX3Bs bC5jIHwgNTIgKysrKysrKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hh bmdlZCwgMTcgaW5zZXJ0aW9ucygrKSwgMzUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHNpX3BsbC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHNpX3BsbC5jCmluZGV4IDM2MjJkMGJhZmRmOC4uZmMxMzk5NDZhYmVlIDEwMDY0NAot LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kc2lfcGxsLmMKKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHNpX3BsbC5jCkBAIC0xNjIsNTMgKzE2MiwzNSBAQCBzdGF0aWMg dTMyIGRzaV9jbGtfZnJvbV9wY2xrKHUzMiBwY2xrLCBpbnQgcGl4ZWxfZm9ybWF0LCBpbnQgbGFu ZV9jb3VudCkKIAogI2VuZGlmCiAKLXN0YXRpYyBpbnQgZHNpX2NhbGNfbW5wKHUzMiBkc2lfY2xr LCBzdHJ1Y3QgZHNpX21ucCAqZHNpX21ucCkKK3N0YXRpYyBpbnQgZHNpX2NhbGNfbW5wKHUzMiB0 YXJnZXRfZHNpX2Nsaywgc3RydWN0IGRzaV9tbnAgKmRzaV9tbnApCiB7CiAJdTMyIG0sIG4sIHA7 Ci0JdTMyIHJlZl9jbGs7Ci0JdTMyIGVycm9yOwotCXUzMiB0bXBfZXJyb3I7Ci0JaW50IHRhcmdl dF9kc2lfY2xrOwotCWludCBjYWxjX2RzaV9jbGs7Ci0JdTMyIGNhbGNfbTsKLQl1MzIgY2FsY19w OworCXUzMiByZWZfY2xrID0gMjUwMDA7CisJdTMyIGRlbHRhID0gdGFyZ2V0X2RzaV9jbGs7CisJ dTMyIGNhbGNfbSA9IDA7CisJdTMyIGNhbGNfcCA9IDA7CiAJdTMyIG1fc2VlZDsKIAotCS8qIGRz aV9jbGsgaXMgZXhwZWN0ZWQgaW4gS0haICovCi0JaWYgKGRzaV9jbGsgPCAzMDAwMDAgfHwgZHNp X2NsayA+IDExNTAwMDApIHsKKwkvKiB0YXJnZXRfZHNpX2NsayBpcyBleHBlY3RlZCBpbiBLSFog Ki8KKwlpZiAodGFyZ2V0X2RzaV9jbGsgPCAzMDAwMDAgfHwgdGFyZ2V0X2RzaV9jbGsgPiAxMTUw MDAwKSB7CiAJCURSTV9FUlJPUigiRFNJIENMSyBPdXQgb2YgUmFuZ2VcbiIpOwogCQlyZXR1cm4g LUVDSFJORzsKIAl9CiAKLQlyZWZfY2xrID0gMjUwMDA7Ci0JdGFyZ2V0X2RzaV9jbGsgPSBkc2lf Y2xrOwotCWVycm9yID0gMHhGRkZGRkZGRjsKLQl0bXBfZXJyb3IgPSAweEZGRkZGRkZGOwotCWNh bGNfbSA9IDA7Ci0JY2FsY19wID0gMDsKLQotCWZvciAobSA9IDYyOyBtIDw9IDkyOyBtKyspIHsK LQkJZm9yIChwID0gMjsgcCA8PSA2OyBwKyspIHsKLQkJCS8qIEZpbmQgdGhlIG9wdGltYWwgbSBh bmQgcCBkaXZpc29ycwotCQkJICAgd2l0aCBtaW5pbWFsIGVycm9yICsvLSB0aGUgcmVxdWlyZWQg Y2xvY2sgKi8KLQkJCWNhbGNfZHNpX2NsayA9IChtICogcmVmX2NsaykgLyBwOwotCQkJaWYgKGNh bGNfZHNpX2NsayA9PSB0YXJnZXRfZHNpX2NsaykgewotCQkJCWNhbGNfbSA9IG07Ci0JCQkJY2Fs Y19wID0gcDsKLQkJCQllcnJvciA9IDA7Ci0JCQkJYnJlYWs7Ci0JCQl9IGVsc2UKLQkJCQl0bXBf ZXJyb3IgPSBhYnModGFyZ2V0X2RzaV9jbGsgLSBjYWxjX2RzaV9jbGspOwotCi0JCQlpZiAodG1w X2Vycm9yIDwgZXJyb3IpIHsKLQkJCQllcnJvciA9IHRtcF9lcnJvcjsKKwlmb3IgKG0gPSA2Mjsg bSA8PSA5MiAmJiBkZWx0YTsgbSsrKSB7CisJCWZvciAocCA9IDI7IHAgPD0gNiAmJiBkZWx0YTsg cCsrKSB7CisJCQkvKgorCQkJICogRmluZCB0aGUgb3B0aW1hbCBtIGFuZCBwIGRpdmlzb3JzIHdp dGggbWluaW1hbCBkZWx0YQorCQkJICogKy8tIHRoZSByZXF1aXJlZCBjbG9jaworCQkJICovCisJ CQlpbnQgY2FsY19kc2lfY2xrID0gKG0gKiByZWZfY2xrKSAvIHA7CisJCQl1MzIgZCA9IGFicyh0 YXJnZXRfZHNpX2NsayAtIGNhbGNfZHNpX2Nsayk7CisJCQlpZiAoZCA8IGRlbHRhKSB7CisJCQkJ ZGVsdGEgPSBkOwogCQkJCWNhbGNfbSA9IG07CiAJCQkJY2FsY19wID0gcDsKIAkJCX0KIAkJfQot Ci0JCWlmIChlcnJvciA9PSAwKQotCQkJYnJlYWs7CiAJfQogCiAJbV9zZWVkID0gbGZzcl9jb252 ZXJ0c1tjYWxjX20gLSA2Ml07Ci0tIAoyLjEuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK