From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Subject: [PATCH v3 08/10] drm/i915/psr: Cache sink synchronization latency Date: Wed, 28 Mar 2018 15:30:44 -0700 Message-ID: <20180328223046.16125-8-jose.souza@intel.com> References: <20180328223046.16125-1-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180328223046.16125-1-jose.souza@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: Dhinakaran Pandiyan , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org VGhpcyB2YWx1ZSBkbyBub3QgY2hhbmdlIG92ZXJ0aW1lIHNvIGJldHRlciBjYWNoZSBpdCB0aGFu CmZldGNoIGl0IGV2ZXJ5IFBTUiBlbmFibGUuCgpDYzogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhp bmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+ClJldmlld2VkLWJ5OiBSb2RyaWdvIFZpdmkgPHJv ZHJpZ28udml2aUBpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEpvc8OpIFJvYmVydG8gZGUgU291 emEgPGpvc2Uuc291emFAaW50ZWwuY29tPgotLS0KCnYzOiByZWJhc2VkCgogZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9kcnYuaCAgfCAgMSArCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9w c3IuYyB8IDI4ICsrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0KIDIgZmlsZXMgY2hhbmdlZCwg MTcgaW5zZXJ0aW9ucygrKSwgMTIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgK aW5kZXggNDZjYWUwOTcyMDFjLi41MzczYjE3MWJiOTYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZHJ2LmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYu aApAQCAtNjA4LDYgKzYwOCw3IEBAIHN0cnVjdCBpOTE1X3BzciB7CiAJYm9vbCBhbHBtOwogCWJv b2wgaGFzX2h3X3RyYWNraW5nOwogCWJvb2wgcHNyMl9lbmFibGVkOworCXU4IHNpbmtfc3luY19s YXRlbmN5OwogCiAJdm9pZCAoKmVuYWJsZV9zb3VyY2UpKHN0cnVjdCBpbnRlbF9kcCAqLAogCQkJ ICAgICAgY29uc3Qgc3RydWN0IGludGVsX2NydGNfc3RhdGUgKik7CmRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3Bzci5jCmluZGV4IGJlYzQ1NWUyODk0My4uZDA3OWNmMGIwMzRjIDEwMDY0NAotLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wc3IuYwpAQCAtMTIyLDYgKzEyMiwxOCBAQCBzdGF0aWMgYm9vbCBpbnRlbF9kcF9nZXRf YWxwbV9zdGF0dXMoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAlyZXR1cm4gYWxwbV9jYXBz ICYgRFBfQUxQTV9DQVA7CiB9CiAKK3N0YXRpYyB1OCBpbnRlbF9kcF9nZXRfc2lua19zeW5jX2xh dGVuY3koc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKK3sKKwl1OCB2YWwgPSAwOworCisJaWYg KGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9kcC0+YXV4LAorCQkJICAgICAgRFBfU1lOQ0hST05J WkFUSU9OX0xBVEVOQ1lfSU5fU0lOSywgJnZhbCkgPT0gMSkKKwkJdmFsICY9IERQX01BWF9SRVNZ TkNfRlJBTUVfQ09VTlRfTUFTSzsKKwllbHNlCisJCURSTV9FUlJPUigiVW5hYmxlIHRvIGdldCBz aW5rIHN5bmNocm9uaXphdGlvbiBsYXRlbmN5XG4iKTsKKwlyZXR1cm4gdmFsOworfQorCiB2b2lk IGludGVsX3Bzcl9pbml0X2RwY2Qoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIHsKIAlzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPQpAQCAtMTU4LDYgKzE3MCw4IEBAIHZvaWQg aW50ZWxfcHNyX2luaXRfZHBjZChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCQkJCWludGVs X2RwX2dldF9jb2xvcmltZXRyeV9zdGF0dXMoaW50ZWxfZHApOwogCQkJZGV2X3ByaXYtPnBzci5h bHBtID0KIAkJCQlpbnRlbF9kcF9nZXRfYWxwbV9zdGF0dXMoaW50ZWxfZHApOworCQkJZGV2X3By aXYtPnBzci5zaW5rX3N5bmNfbGF0ZW5jeSA9CisJCQkJaW50ZWxfZHBfZ2V0X3Npbmtfc3luY19s YXRlbmN5KGludGVsX2RwKTsKIAkJfQogCX0KIH0KQEAgLTM3OSwxMCArMzkzLDcgQEAgc3RhdGlj IHZvaWQgaHN3X2FjdGl2YXRlX3BzcjIoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkgKiB3 aXRoIHRoZSA1IG9yIDYgaWRsZSBwYXR0ZXJucy4KIAkgKi8KIAl1aW50MzJfdCBpZGxlX2ZyYW1l cyA9IG1heCg2LCBkZXZfcHJpdi0+dmJ0LnBzci5pZGxlX2ZyYW1lcyk7Ci0JdWludDMyX3QgdmFs OwotCXVpbnQ4X3Qgc2lua19sYXRlbmN5OwotCi0JdmFsID0gaWRsZV9mcmFtZXMgPDwgRURQX1BT UjJfSURMRV9GUkFNRV9TSElGVDsKKwl1MzIgdmFsID0gaWRsZV9mcmFtZXMgPDwgRURQX1BTUjJf SURMRV9GUkFNRV9TSElGVDsKIAogCS8qIEZJWE1FOiBzZWxlY3RpdmUgdXBkYXRlIGlzIHByb2Jh Ymx5IHRvdGFsbHkgYnJva2VuIGJlY2F1c2UgaXQgZG9lc24ndAogCSAqIG1lc2ggYXQgYWxsIHdp dGggb3VyIGZyb250YnVmZmVyIHRyYWNraW5nLiBBbmQgdGhlIGh3IGFsb25lIGlzbid0CkBAIC0z OTIsMTQgKzQwMyw3IEBAIHN0YXRpYyB2b2lkIGhzd19hY3RpdmF0ZV9wc3IyKHN0cnVjdCBpbnRl bF9kcCAqaW50ZWxfZHApCiAJCXZhbCB8PSBFRFBfWV9DT09SRElOQVRFX1ZBTElEIHwgRURQX1lf Q09PUkRJTkFURV9FTkFCTEU7CiAJfQogCi0JaWYgKGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9k cC0+YXV4LAotCQkJCURQX1NZTkNIUk9OSVpBVElPTl9MQVRFTkNZX0lOX1NJTkssCi0JCQkJJnNp bmtfbGF0ZW5jeSkgPT0gMSkgewotCQlzaW5rX2xhdGVuY3kgJj0gRFBfTUFYX1JFU1lOQ19GUkFN RV9DT1VOVF9NQVNLOwotCX0gZWxzZSB7Ci0JCXNpbmtfbGF0ZW5jeSA9IDA7Ci0JfQotCXZhbCB8 PSBFRFBfUFNSMl9GUkFNRV9CRUZPUkVfU1Uoc2lua19sYXRlbmN5ICsgMSk7CisJdmFsIHw9IEVE UF9QU1IyX0ZSQU1FX0JFRk9SRV9TVShkZXZfcHJpdi0+cHNyLnNpbmtfc3luY19sYXRlbmN5ICsg MSk7CiAKIAlpZiAoZGV2X3ByaXYtPnZidC5wc3IudHAyX3RwM193YWtldXBfdGltZSA+IDUpCiAJ CXZhbCB8PSBFRFBfUFNSMl9UUDJfVElNRV8yNTAwOwotLSAKMi4xNi4zCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK