From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Subject: [PATCH 1/4] drm/i915/psr: Always wait for idle state when disabling PSR Date: Fri, 5 Oct 2018 16:35:39 -0700 Message-ID: <20181005233542.2939-1-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4F65A6E91D for ; Fri, 5 Oct 2018 23:35:57 +0000 (UTC) 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: Dhinakaran Pandiyan , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org SXQgc2hvdWxkIGFsd2F5cyB3YWl0IGZvciBpZGxlIHN0YXRlIHdoZW4gZGlzYWJsaW5nIFBTUiBi ZWNhdXNlIFBTUgpjb3VsZCBiZSBpbmFjdGl2ZSBkdWUgYSBjYWxsIHRvIGludGVsX3Bzcl9leGl0 KCkgYW5kIHdoaWxlIFBTUiBpcwpzdGlsbCBiZWluZyBkaXNhYmxlZCBhc3luY2hyb25vdXNseSB1 c2Vyc3BhY2UgY291bGQgY2hhbmdlIHRoZQptb2Rlc2V0IGNhdXNpbmcgYSBjYWxsIHRvIHBzcl9k aXNhYmxlKCkgdGhhdCB3aWxsIG5vdCB3YWl0IGZvciBQU1IKaWRsZSBhbmQgdGhlbiBQU1Igd2ls bCBiZSBlbmFibGVkIGFnYWluIHdoaWxlIFBTUiBpcyBzdGlsbCBub3QgaWRsZS4KCkNjOiBSb2Ry aWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+CkNjOiBEaGluYWthcmFuIFBhbmRpeWFu IDxkaGluYWthcmFuLnBhbmRpeWFuQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogSm9zw6kgUm9i ZXJ0byBkZSBTb3V6YSA8am9zZS5zb3V6YUBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcHNyLmMgfCA0MyArKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tLQog MSBmaWxlIGNoYW5nZWQsIDIwIGluc2VydGlvbnMoKyksIDIzIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcHNyLmMKaW5kZXggNDIzY2RmODQwNTljLi5jZDlhNjBkMWVmYTEgMTAwNjQ0 Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCisrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX3Bzci5jCkBAIC02NjEsNDAgKzY2MSwzNyBAQCBzdGF0aWMgdm9pZAog aW50ZWxfcHNyX2Rpc2FibGVfc291cmNlKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiB7CiAJ c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZHBfdG9faTkxNShpbnRlbF9kcCk7 CisJaTkxNV9yZWdfdCBwc3Jfc3RhdHVzOworCXUzMiBwc3Jfc3RhdHVzX21hc2s7CiAKIAlpZiAo ZGV2X3ByaXYtPnBzci5hY3RpdmUpIHsKLQkJaTkxNV9yZWdfdCBwc3Jfc3RhdHVzOwotCQl1MzIg cHNyX3N0YXR1c19tYXNrOwotCi0JCWlmIChkZXZfcHJpdi0+cHNyLnBzcjJfZW5hYmxlZCkgewot CQkJcHNyX3N0YXR1cyA9IEVEUF9QU1IyX1NUQVRVUzsKLQkJCXBzcl9zdGF0dXNfbWFzayA9IEVE UF9QU1IyX1NUQVRVU19TVEFURV9NQVNLOwotCisJCWlmIChkZXZfcHJpdi0+cHNyLnBzcjJfZW5h YmxlZCkKIAkJCUk5MTVfV1JJVEUoRURQX1BTUjJfQ1RMLAotCQkJCSAgIEk5MTVfUkVBRChFRFBf UFNSMl9DVEwpICYKLQkJCQkgICB+KEVEUF9QU1IyX0VOQUJMRSB8IEVEUF9TVV9UUkFDS19FTkFC TEUpKTsKLQotCQl9IGVsc2UgewotCQkJcHNyX3N0YXR1cyA9IEVEUF9QU1JfU1RBVFVTOwotCQkJ cHNyX3N0YXR1c19tYXNrID0gRURQX1BTUl9TVEFUVVNfU1RBVEVfTUFTSzsKLQorCQkJCSAgIEk5 MTVfUkVBRChFRFBfUFNSMl9DVEwpICYgfkVEUF9QU1IyX0VOQUJMRSk7CisJCWVsc2UKIAkJCUk5 MTVfV1JJVEUoRURQX1BTUl9DVEwsCiAJCQkJICAgSTkxNV9SRUFEKEVEUF9QU1JfQ1RMKSAmIH5F RFBfUFNSX0VOQUJMRSk7Ci0JCX0KLQotCQkvKiBXYWl0IHRpbGwgUFNSIGlzIGlkbGUgKi8KLQkJ aWYgKGludGVsX3dhaXRfZm9yX3JlZ2lzdGVyKGRldl9wcml2LAotCQkJCQkgICAgcHNyX3N0YXR1 cywgcHNyX3N0YXR1c19tYXNrLCAwLAotCQkJCQkgICAgMjAwMCkpCi0JCQlEUk1fRVJST1IoIlRp bWVkIG91dCB3YWl0aW5nIGZvciBQU1IgSWRsZSBTdGF0ZVxuIik7Ci0KLQkJZGV2X3ByaXYtPnBz ci5hY3RpdmUgPSBmYWxzZTsKIAl9IGVsc2UgewogCQlpZiAoZGV2X3ByaXYtPnBzci5wc3IyX2Vu YWJsZWQpCiAJCQlXQVJOX09OKEk5MTVfUkVBRChFRFBfUFNSMl9DVEwpICYgRURQX1BTUjJfRU5B QkxFKTsKIAkJZWxzZQogCQkJV0FSTl9PTihJOTE1X1JFQUQoRURQX1BTUl9DVEwpICYgRURQX1BT Ul9FTkFCTEUpOwogCX0KKworCWlmIChkZXZfcHJpdi0+cHNyLnBzcjJfZW5hYmxlZCkgeworCQlw c3Jfc3RhdHVzID0gRURQX1BTUjJfU1RBVFVTOworCQlwc3Jfc3RhdHVzX21hc2sgPSBFRFBfUFNS Ml9TVEFUVVNfU1RBVEVfTUFTSzsKKwl9IGVsc2UgeworCQlwc3Jfc3RhdHVzID0gRURQX1BTUl9T VEFUVVM7CisJCXBzcl9zdGF0dXNfbWFzayA9IEVEUF9QU1JfU1RBVFVTX1NUQVRFX01BU0s7CisJ fQorCisJLyogV2FpdCB0aWxsIFBTUiBpcyBpZGxlICovCisJaWYgKGludGVsX3dhaXRfZm9yX3Jl Z2lzdGVyKGRldl9wcml2LCBwc3Jfc3RhdHVzLCBwc3Jfc3RhdHVzX21hc2ssIDAsCisJCQkJICAg IDIwMDApKQorCQlEUk1fRVJST1IoIlRpbWVkIG91dCB3YWl0aW5nIGZvciBQU1IgSWRsZSBTdGF0 ZVxuIik7CisKKwlkZXZfcHJpdi0+cHNyLmFjdGl2ZSA9IGZhbHNlOwogfQogCiBzdGF0aWMgdm9p ZCBpbnRlbF9wc3JfZGlzYWJsZV9sb2NrZWQoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKLS0g CjIuMTkuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==