From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maarten Lankhorst Subject: [PATCH] drm/i915: Handle changing enable_psr parameter at runtime better Date: Wed, 7 Mar 2018 17:39:39 +0100 Message-ID: <20180307163939.59880-1-maarten.lankhorst@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mblankhorst.nl (mblankhorst.nl [IPv6:2a02:2308::216:3eff:fe92:dfa3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 01DB66E159 for ; Wed, 7 Mar 2018 16:39:42 +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: Benjamin Berg List-Id: intel-gfx@lists.freedesktop.org U2ltaWxhciB0byBlbmFibGVfZmJjLCBlbmFibGVfcHNyIHdhcyBpZ25vcmVkIGF0IHJ1bnRpbWUg aWYgaXQgd2FzCmNoYW5nZWQuIFRoZSBlYXNpZXN0IGZpeCBpcyB0byBwcmV0ZW5kIGVuYWJsZV9w c3IgaXMgaWdub3JlZCBhdApjb25maWd1cmUgdGltZSwgYW5kIG5ldmVyIGFjdGl2YXRlIGl0IGZv ciAhZW5hYmxlX3Bzciwgc28gYm90aCBjYXNlcwphcmUgaGFuZGxlZCB3aXRob3V0IG1vZGVzZXRz LgoKU2lnbmVkLW9mZi1ieTogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxp bnV4LmludGVsLmNvbT4KVGVzdGVkLWJ5OiBCZW5qYW1pbiBCZXJnIDxiYmVyZ0ByZWRoYXQuY29t PgpDYzogQmVuamFtaW4gQmVyZyA8YmJlcmdAcmVkaGF0LmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9wc3IuYyB8IDE5ICsrKysrKysrKystLS0tLS0tLS0KIDEgZmlsZSBjaGFu Z2VkLCAxMCBpbnNlcnRpb25zKCspLCA5IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf cHNyLmMKaW5kZXggMjMxNzVjNWM0YTUwLi5hYzNjZTdhMWMyYTcgMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3Bzci5jCkBAIC01MDIsMTEgKzUwMiw2IEBAIHZvaWQgaW50ZWxfcHNyX2NvbXB1dGVfY29u ZmlnKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCiAJaWYgKCFDQU5fUFNSKGRldl9wcml2KSkK IAkJcmV0dXJuOwogCi0JaWYgKCFpOTE1X21vZHBhcmFtcy5lbmFibGVfcHNyKSB7Ci0JCURSTV9E RUJVR19LTVMoIlBTUiBkaXNhYmxlIGJ5IGZsYWdcbiIpOwotCQlyZXR1cm47Ci0JfQotCiAJLyoK IAkgKiBIU1cgc3BlYyBleHBsaWNpdGx5IHNheXMgUFNSIGlzIHRpZWQgdG8gcG9ydCBBLgogCSAq IEJEVysgcGxhdGZvcm1zIHdpdGggRERJIGltcGxlbWVudGF0aW9uIG9mIFBTUiBoYXZlIGRpZmZl cmVudApAQCAtNTU5LDcgKzU1NCwxMCBAQCB2b2lkIGludGVsX3Bzcl9jb21wdXRlX2NvbmZpZyhz dHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwLAogCiAJY3J0Y19zdGF0ZS0+aGFzX3BzciA9IHRydWU7 CiAJY3J0Y19zdGF0ZS0+aGFzX3BzcjIgPSBpbnRlbF9wc3IyX2NvbmZpZ192YWxpZChpbnRlbF9k cCwgY3J0Y19zdGF0ZSk7Ci0JRFJNX0RFQlVHX0tNUygiRW5hYmxpbmcgUFNSJXNcbiIsIGNydGNf c3RhdGUtPmhhc19wc3IyID8gIjIiIDogIiIpOworCWlmIChpOTE1X21vZHBhcmFtcy5lbmFibGVf cHNyKQorCQlEUk1fREVCVUdfS01TKCJFbmFibGluZyBQU1Ilc1xuIiwgY3J0Y19zdGF0ZS0+aGFz X3BzcjIgPyAiMiIgOiAiIik7CisJZWxzZQorCQlEUk1fREVCVUdfS01TKCJQU1IgZGlzYWJsZSBi eSBmbGFnXG4iKTsKIH0KIAogc3RhdGljIHZvaWQgaW50ZWxfcHNyX2FjdGl2YXRlKHN0cnVjdCBp bnRlbF9kcCAqaW50ZWxfZHApCkBAIC02NTIsNyArNjUwLDkgQEAgdm9pZCBpbnRlbF9wc3JfZW5h YmxlKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCiAJZGV2X3ByaXYtPnBzci5lbmFibGVfc291 cmNlKGludGVsX2RwLCBjcnRjX3N0YXRlKTsKIAlkZXZfcHJpdi0+cHNyLmVuYWJsZWQgPSBpbnRl bF9kcDsKIAotCWlmIChJTlRFTF9HRU4oZGV2X3ByaXYpID49IDkpIHsKKwlpZiAoIWk5MTVfbW9k cGFyYW1zLmVuYWJsZV9wc3IpIHsKKwkJRFJNX0RFQlVHX0tNUygiUFNSIGRpc2FibGUgYnkgZmxh Z1xuIik7CisJfSBlbHNlIGlmIChJTlRFTF9HRU4oZGV2X3ByaXYpID49IDkpIHsKIAkJaW50ZWxf cHNyX2FjdGl2YXRlKGludGVsX2RwKTsKIAl9IGVsc2UgewogCQkvKgpAQCAtODQzLDcgKzg0Myw3 IEBAIHN0YXRpYyB2b2lkIGludGVsX3Bzcl93b3JrKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykK IAkgKiByZWNoZWNrLiBTaW5jZSBwc3JfZmx1c2ggZmlyc3QgY2xlYXJzIHRoaXMgYW5kIHRoZW4g cmVzY2hlZHVsZXMgd2UKIAkgKiB3b24ndCBldmVyIG1pc3MgYSBmbHVzaCB3aGVuIGJhaWxpbmcg b3V0IGhlcmUuCiAJICovCi0JaWYgKGRldl9wcml2LT5wc3IuYnVzeV9mcm9udGJ1ZmZlcl9iaXRz KQorCWlmIChkZXZfcHJpdi0+cHNyLmJ1c3lfZnJvbnRidWZmZXJfYml0cyB8fCAhaTkxNV9tb2Rw YXJhbXMuZW5hYmxlX3BzcikKIAkJZ290byB1bmxvY2s7CiAKIAlpbnRlbF9wc3JfYWN0aXZhdGUo aW50ZWxfZHApOwpAQCAtMTAxNSw3ICsxMDE1LDggQEAgdm9pZCBpbnRlbF9wc3JfZmx1c2goc3Ry dWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogCQlyZXR1cm47CiAKIAltdXRleF9sb2Nr KCZkZXZfcHJpdi0+cHNyLmxvY2spOwotCWlmICghZGV2X3ByaXYtPnBzci5lbmFibGVkKSB7CisJ aWYgKCFkZXZfcHJpdi0+cHNyLmVuYWJsZWQgfHwgIWk5MTVfbW9kcGFyYW1zLmVuYWJsZV9wc3Ip IHsKKwkJaW50ZWxfcHNyX2V4aXQoZGV2X3ByaXYpOwogCQltdXRleF91bmxvY2soJmRldl9wcml2 LT5wc3IubG9jayk7CiAJCXJldHVybjsKIAl9Ci0tIAoyLjE2LjIKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=