From mboxrd@z Thu Jan 1 00:00:00 1970 From: ville.syrjala@linux.intel.com Subject: [PATCH 15/14] drm/i915: Add comments explaining the vdd on/off functions Date: Tue, 19 Aug 2014 20:47:17 +0300 Message-ID: <1408470437-12107-1-git-send-email-ville.syrjala@linux.intel.com> References: <87fvgsha80.fsf@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 8B9E76E0BD for ; Tue, 19 Aug 2014 10:50:02 -0700 (PDT) In-Reply-To: <87fvgsha80.fsf@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 List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCkph bmkgd2FudGVkIHNvbWUgY29tbWVudHMgdG8gZXhwbGFpbiB3aHkgd2UgY2FsbCBjZXJ0YWluIHZk ZCBvbi9vZmYKZnVuY3Rpb25zIGluIGNlcnRhaW4gcGxhY2VzLgoKU2lnbmVkLW9mZi1ieTogVmls bGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgMTYgKysrKysrKysrKysrKysrKwogMSBmaWxlIGNo YW5nZWQsIDE2IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwppbmRleCAxMDY3 MDgyLi4xMjMzYTEwIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5j CisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKQEAgLTEzMTUsNiArMTMxNSw3 IEBAIHN0YXRpYyAgdTMyIGlyb25sYWtlX2dldF9wcF9jb250cm9sKHN0cnVjdCBpbnRlbF9kcCAq aW50ZWxfZHApCiAJcmV0dXJuIGNvbnRyb2w7CiB9CiAKKy8qIHNob3VsZCBiZSBwYWlyZWQgd2l0 aCBlZHBfcGFuZWxfdmRkX29mZigpICovCiBzdGF0aWMgYm9vbCBlZHBfcGFuZWxfdmRkX29uKHN0 cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiB7CiAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGlu dGVsX2RwX3RvX2RldihpbnRlbF9kcCk7CkBAIC0xMzY1LDYgKzEzNjYsNyBAQCBzdGF0aWMgYm9v bCBlZHBfcGFuZWxfdmRkX29uKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJcmV0dXJuIG5l ZWRfdG9fZGlzYWJsZTsKIH0KIAorLyogc2hvdWxkIGJlIHBhaXJlZCB3aXRoIGludGVsX2VkcF9w YW5lbF92ZGRfb2ZmKCkgKi8KIHZvaWQgaW50ZWxfZWRwX3BhbmVsX3ZkZF9vbihzdHJ1Y3QgaW50 ZWxfZHAgKmludGVsX2RwKQogewogCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9 CkBAIC0xNDQ3LDYgKzE0NDksNyBAQCBzdGF0aWMgdm9pZCBlZHBfcGFuZWxfdmRkX3NjaGVkdWxl X29mZihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCXNjaGVkdWxlX2RlbGF5ZWRfd29yaygm aW50ZWxfZHAtPnBhbmVsX3ZkZF93b3JrLCBkZWxheSk7CiB9CiAKKy8qIHNob3VsZCBiZSBwYWly ZWQgd2l0aCBlZHBfcGFuZWxfdmRkX29uKCkgKi8KIHN0YXRpYyB2b2lkIGVkcF9wYW5lbF92ZGRf b2ZmKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsIGJvb2wgc3luYykKIHsKIAlzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPQpAQCAtMTQ2Nyw2ICsxNDcwLDcgQEAgc3RhdGljIHZv aWQgZWRwX3BhbmVsX3ZkZF9vZmYoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwgYm9vbCBzeW5j KQogCQllZHBfcGFuZWxfdmRkX3NjaGVkdWxlX29mZihpbnRlbF9kcCk7CiB9CiAKKy8qIHNob3Vs ZCBiZSBwYWlyZWQgd2l0aCBpbnRlbF9lZHBfcGFuZWxfdmRkX29uKCkgKi8KIHN0YXRpYyB2b2lk IGludGVsX2VkcF9wYW5lbF92ZGRfb2ZmKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsIGJvb2wg c3luYykKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPQpAQCAtNDMwNyw2 ICs0MzExLDEwIEBAIHZvaWQgaW50ZWxfZHBfZW5jb2Rlcl9kZXN0cm95KHN0cnVjdCBkcm1fZW5j b2RlciAqZW5jb2RlcikKIAlkcm1fZW5jb2Rlcl9jbGVhbnVwKGVuY29kZXIpOwogCWlmIChpc19l ZHAoaW50ZWxfZHApKSB7CiAJCWNhbmNlbF9kZWxheWVkX3dvcmtfc3luYygmaW50ZWxfZHAtPnBh bmVsX3ZkZF93b3JrKTsKKwkJLyoKKwkJICogdmRkIG1pZ2h0IHN0aWxsIGJlIGVuYWJsZWQgZG8g dG8gdGhlIGRlbGF5ZWQgdmRkIG9mZi4KKwkJICogTWFrZSBzdXJlIHZkZCBpcyBhY3R1YWxseSB0 dXJuZWQgb2ZmIGhlcmUuCisJCSAqLwogCQltdXRleF9sb2NrKCZkZXZfcHJpdi0+cHBzX211dGV4 KTsKIAkJZWRwX3BhbmVsX3ZkZF9vZmZfc3luYyhpbnRlbF9kcCk7CiAJCW11dGV4X3VubG9jaygm ZGV2X3ByaXYtPnBwc19tdXRleCk7CkBAIC00MzI3LDYgKzQzMzUsMTAgQEAgc3RhdGljIHZvaWQg aW50ZWxfZHBfZW5jb2Rlcl9zdXNwZW5kKHN0cnVjdCBpbnRlbF9lbmNvZGVyICppbnRlbF9lbmNv ZGVyKQogCWlmICghaXNfZWRwKGludGVsX2RwKSkKIAkJcmV0dXJuOwogCisJLyoKKwkgKiB2ZGQg bWlnaHQgc3RpbGwgYmUgZW5hYmxlZCBkbyB0byB0aGUgZGVsYXllZCB2ZGQgb2ZmLgorCSAqIE1h a2Ugc3VyZSB2ZGQgaXMgYWN0dWFsbHkgdHVybmVkIG9mZiBoZXJlLgorCSAqLwogCW11dGV4X2xv Y2soJmRldl9wcml2LT5wcHNfbXV0ZXgpOwogCWVkcF9wYW5lbF92ZGRfb2ZmX3N5bmMoaW50ZWxf ZHApOwogCW11dGV4X3VubG9jaygmZGV2X3ByaXYtPnBwc19tdXRleCk7CkBAIC01MDI1LDYgKzUw MzcsMTAgQEAgaW50ZWxfZHBfaW5pdF9jb25uZWN0b3Ioc3RydWN0IGludGVsX2RpZ2l0YWxfcG9y dCAqaW50ZWxfZGlnX3BvcnQsCiAJCWRybV9kcF9hdXhfdW5yZWdpc3RlcigmaW50ZWxfZHAtPmF1 eCk7CiAJCWlmIChpc19lZHAoaW50ZWxfZHApKSB7CiAJCQljYW5jZWxfZGVsYXllZF93b3JrX3N5 bmMoJmludGVsX2RwLT5wYW5lbF92ZGRfd29yayk7CisJCQkvKgorCQkJICogdmRkIG1pZ2h0IHN0 aWxsIGJlIGVuYWJsZWQgZG8gdG8gdGhlIGRlbGF5ZWQgdmRkIG9mZi4KKwkJCSAqIE1ha2Ugc3Vy ZSB2ZGQgaXMgYWN0dWFsbHkgdHVybmVkIG9mZiBoZXJlLgorCQkJICovCiAJCQltdXRleF9sb2Nr KCZkZXZfcHJpdi0+cHBzX211dGV4KTsKIAkJCWVkcF9wYW5lbF92ZGRfb2ZmX3N5bmMoaW50ZWxf ZHApOwogCQkJbXV0ZXhfdW5sb2NrKCZkZXZfcHJpdi0+cHBzX211dGV4KTsKLS0gCjEuOC41LjUK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==