From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: [PATCH 31/67] drm/i915/cnl: Allow dynamic cdclk changes on CNL Date: Thu, 6 Apr 2017 12:15:27 -0700 Message-ID: <1491506163-14587-31-git-send-email-rodrigo.vivi@intel.com> References: <1491506163-14587-1-git-send-email-rodrigo.vivi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 96E846EA5B for ; Thu, 6 Apr 2017 19:16:17 +0000 (UTC) In-Reply-To: <1491506163-14587-1-git-send-email-rodrigo.vivi@intel.com> 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: Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org QWxsIHRoZSBsb3cgbGV2ZWwgY2RjbGsgYml0cyBhcmUgcHJlc2VudCwgc28gbGV0J3MgYWRkIHRo ZSByZXF1aXJlZApob29rcyB0byByZWNvbmZpZ3VyZSBjZGNsayBvbiB0aGUgZmx5LgoKdjI6IFJl YmFzZSBkdWUgdG8gY25sX3Nhbml0aXplX2NkY2xrKCkKdjM6IFJlYmFzZWQgYnkgUm9kcmlnbyBv biB0b3Agb2YgVmlsbGUncyBjZGNsayByZXdvcmsuCnY0OiBSZWJhc2UgbW92aW5nIGNubF9jYWxj X2NkY2xrIHVwIHRvIGZvbGxvdyBzYW1lIG9yZGVyCiAgICBhcyBwcmV2aW91cyBwbGF0Zm9ybXMu CgpTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50 ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5j b20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYyB8IDU0ICsrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tCiAxIGZpbGUgY2hhbmdlZCwgNTIgaW5zZXJ0 aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9jZGNsay5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYwppbmRl eCBmOWJhMWU3Li5hOGMyNTRiIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9jZGNsay5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NkY2xrLmMKQEAgLTE0 MDAsNiArMTQwMCwxNiBAQCB2b2lkIGJ4dF91bmluaXRfY2RjbGsoc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2KQogCWJ4dF9zZXRfY2RjbGsoZGV2X3ByaXYsICZjZGNsa19zdGF0ZSk7 CiB9CiAKK3N0YXRpYyBpbnQgY25sX2NhbGNfY2RjbGsoaW50IG1heF9waXhjbGspCit7CisJaWYg KG1heF9waXhjbGsgPiAzMzYwMDApCisJCXJldHVybiA1MjgwMDA7CisJZWxzZSBpZiAobWF4X3Bp eGNsayA+IDE2ODAwMCkKKwkJcmV0dXJuIDMzNjAwMDsKKwllbHNlCisJCXJldHVybiAxNjgwMDA7 Cit9CisKIHN0YXRpYyB2b2lkIGNubF9jZGNsa19wbGxfdXBkYXRlKHN0cnVjdCBkcm1faTkxNV9w cml2YXRlICpkZXZfcHJpdiwKIAkJCQkgc3RydWN0IGludGVsX2NkY2xrX3N0YXRlICpjZGNsa19z dGF0ZSkKIHsKQEAgLTE2NDAsNyArMTY1MCw3IEBAIHZvaWQgY25sX2luaXRfY2RjbGsoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQogCiAJY2RjbGtfc3RhdGUgPSBkZXZfcHJpdi0+ Y2RjbGsuaHc7CiAKLQljZGNsa19zdGF0ZS5jZGNsayA9IDE2ODAwMDsKKwljZGNsa19zdGF0ZS5j ZGNsayA9IGNubF9jYWxjX2NkY2xrKDApOwogCWNkY2xrX3N0YXRlLnZjbyA9IGNubF9jZGNsa19w bGxfdmNvKGRldl9wcml2LCBjZGNsa19zdGF0ZS5jZGNsayk7CiAKIAljbmxfc2V0X2NkY2xrKGRl dl9wcml2LCAmY2RjbGtfc3RhdGUpOwpAQCAtMTkyOCw2ICsxOTM4LDQwIEBAIHN0YXRpYyBpbnQg Ynh0X21vZGVzZXRfY2FsY19jZGNsayhzdHJ1Y3QgZHJtX2F0b21pY19zdGF0ZSAqc3RhdGUpCiAJ cmV0dXJuIDA7CiB9CiAKK3N0YXRpYyBpbnQgY25sX21vZGVzZXRfY2FsY19jZGNsayhzdHJ1Y3Qg ZHJtX2F0b21pY19zdGF0ZSAqc3RhdGUpCit7CisJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRl dl9wcml2ID0gdG9faTkxNShzdGF0ZS0+ZGV2KTsKKwlzdHJ1Y3QgaW50ZWxfYXRvbWljX3N0YXRl ICppbnRlbF9zdGF0ZSA9CisJCXRvX2ludGVsX2F0b21pY19zdGF0ZShzdGF0ZSk7CisJaW50IG1h eF9waXhjbGsgPSBpbnRlbF9tYXhfcGl4ZWxfcmF0ZShzdGF0ZSk7CisJaW50IGNkY2xrLCB2Y287 CisKKwljZGNsayA9IGNubF9jYWxjX2NkY2xrKG1heF9waXhjbGspOworCXZjbyA9IGNubF9jZGNs a19wbGxfdmNvKGRldl9wcml2LCBjZGNsayk7CisKKwlpZiAoY2RjbGsgPiBkZXZfcHJpdi0+bWF4 X2NkY2xrX2ZyZXEpIHsKKwkJRFJNX0RFQlVHX0tNUygicmVxdWVzdGVkIGNkY2xrICglZCBrSHop IGV4Y2VlZHMgbWF4ICglZCBrSHopXG4iLAorCQkJICAgICAgY2RjbGssIGRldl9wcml2LT5tYXhf Y2RjbGtfZnJlcSk7CisJCXJldHVybiAtRUlOVkFMOworCX0KKworCWludGVsX3N0YXRlLT5jZGNs ay5sb2dpY2FsLnZjbyA9IHZjbzsKKwlpbnRlbF9zdGF0ZS0+Y2RjbGsubG9naWNhbC5jZGNsayA9 IGNkY2xrOworCisJaWYgKCFpbnRlbF9zdGF0ZS0+YWN0aXZlX2NydGNzKSB7CisJCWNkY2xrID0g Y25sX2NhbGNfY2RjbGsoMCk7CisJCXZjbyA9IGNubF9jZGNsa19wbGxfdmNvKGRldl9wcml2LCBj ZGNsayk7CisKKwkJaW50ZWxfc3RhdGUtPmNkY2xrLmFjdHVhbC52Y28gPSB2Y287CisJCWludGVs X3N0YXRlLT5jZGNsay5hY3R1YWwuY2RjbGsgPSBjZGNsazsKKwl9IGVsc2UgeworCQlpbnRlbF9z dGF0ZS0+Y2RjbGsuYWN0dWFsID0KKwkJCWludGVsX3N0YXRlLT5jZGNsay5sb2dpY2FsOworCX0K KworCXJldHVybiAwOworfQorCiBzdGF0aWMgaW50IGludGVsX2NvbXB1dGVfbWF4X2RvdGNsayhz dHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiB7CiAJaW50IG1heF9jZGNsa19mcmVx ID0gZGV2X3ByaXYtPm1heF9jZGNsa19mcmVxOwpAQCAtMTk1OSw3ICsyMDAzLDkgQEAgc3RhdGlj IGludCBpbnRlbF9jb21wdXRlX21heF9kb3RjbGsoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRl dl9wcml2KQogICovCiB2b2lkIGludGVsX3VwZGF0ZV9tYXhfY2RjbGsoc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUgKmRldl9wcml2KQogewotCWlmIChJU19HRU45X0JDKGRldl9wcml2KSkgeworCWlm IChJU19DQU5OT05MQUtFKGRldl9wcml2KSkgeworCQlkZXZfcHJpdi0+bWF4X2NkY2xrX2ZyZXEg PSA1MjgwMDA7CisJfSBlbHNlIGlmIChJU19HRU45X0JDKGRldl9wcml2KSkgewogCQl1MzIgbGlt aXQgPSBJOTE1X1JFQUQoU0tMX0RGU00pICYgU0tMX0RGU01fQ0RDTEtfTElNSVRfTUFTSzsKIAkJ aW50IG1heF9jZGNsaywgdmNvOwogCkBAIC0yMTU4LDYgKzIyMDQsMTAgQEAgdm9pZCBpbnRlbF9p bml0X2NkY2xrX2hvb2tzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKIAkJZGV2 X3ByaXYtPmRpc3BsYXkuc2V0X2NkY2xrID0gc2tsX3NldF9jZGNsazsKIAkJZGV2X3ByaXYtPmRp c3BsYXkubW9kZXNldF9jYWxjX2NkY2xrID0KIAkJCXNrbF9tb2Rlc2V0X2NhbGNfY2RjbGs7CisJ fSBlbHNlIGlmIChJU19DQU5OT05MQUtFKGRldl9wcml2KSkgeworCQlkZXZfcHJpdi0+ZGlzcGxh eS5zZXRfY2RjbGsgPSBjbmxfc2V0X2NkY2xrOworCQlkZXZfcHJpdi0+ZGlzcGxheS5tb2Rlc2V0 X2NhbGNfY2RjbGsgPQorCQkJY25sX21vZGVzZXRfY2FsY19jZGNsazsKIAl9CiAKIAlpZiAoSVNf Q0FOTk9OTEFLRShkZXZfcHJpdikpCi0tIAoxLjkuMQoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==