From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Subject: [PATCH v2 08/10] drm/i915/psr: Cache sink synchronization latency Date: Mon, 26 Mar 2018 18:06:32 -0700 Message-ID: <20180327010634.15917-8-jose.souza@intel.com> References: <20180327010634.15917-1-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180327010634.15917-1-jose.souza@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: intel-gfx@lists.freedesktop.org Cc: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= , Dhinakaran Pandiyan , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org VGhpcyB2YWx1ZSBkbyBub3QgY2hhbmdlIG92ZXJ0aW1lIHNvIGJldHRlciBjYWNoZSBpdCB0aGFu CmZldGNoIGl0IGV2ZXJ5IFBTUiBlbmFibGUuCgpDYzogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhp bmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+ClJldmlld2VkLWJ5OiBSb2RyaWdvIFZpdmkgPHJv ZHJpZ28udml2aUBpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEpvc8OpIFJvYmVydG8gZGUgU291 emEgPGpvc2Uuc291emFAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZHJ2LmggIHwgIDEgKwogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgfCAyOCArKysr KysrKysrKysrKysrLS0tLS0tLS0tLS0tCiAyIGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMo KyksIDEyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfZHJ2LmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCmluZGV4IDQ2Y2FlMDk3 MjAxYy4uNTM3M2IxNzFiYjk2IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2Rydi5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKQEAgLTYwOCw2ICs2 MDgsNyBAQCBzdHJ1Y3QgaTkxNV9wc3IgewogCWJvb2wgYWxwbTsKIAlib29sIGhhc19od190cmFj a2luZzsKIAlib29sIHBzcjJfZW5hYmxlZDsKKwl1OCBzaW5rX3N5bmNfbGF0ZW5jeTsKIAogCXZv aWQgKCplbmFibGVfc291cmNlKShzdHJ1Y3QgaW50ZWxfZHAgKiwKIAkJCSAgICAgIGNvbnN0IHN0 cnVjdCBpbnRlbF9jcnRjX3N0YXRlICopOwpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcHNyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwppbmRleCBi ZWM0NTVlMjg5NDMuLmQwNzljZjBiMDM0YyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcHNyLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKQEAg LTEyMiw2ICsxMjIsMTggQEAgc3RhdGljIGJvb2wgaW50ZWxfZHBfZ2V0X2FscG1fc3RhdHVzKHN0 cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJcmV0dXJuIGFscG1fY2FwcyAmIERQX0FMUE1fQ0FQ OwogfQogCitzdGF0aWMgdTggaW50ZWxfZHBfZ2V0X3Npbmtfc3luY19sYXRlbmN5KHN0cnVjdCBp bnRlbF9kcCAqaW50ZWxfZHApCit7CisJdTggdmFsID0gMDsKKworCWlmIChkcm1fZHBfZHBjZF9y ZWFkYigmaW50ZWxfZHAtPmF1eCwKKwkJCSAgICAgIERQX1NZTkNIUk9OSVpBVElPTl9MQVRFTkNZ X0lOX1NJTkssICZ2YWwpID09IDEpCisJCXZhbCAmPSBEUF9NQVhfUkVTWU5DX0ZSQU1FX0NPVU5U X01BU0s7CisJZWxzZQorCQlEUk1fRVJST1IoIlVuYWJsZSB0byBnZXQgc2luayBzeW5jaHJvbml6 YXRpb24gbGF0ZW5jeVxuIik7CisJcmV0dXJuIHZhbDsKK30KKwogdm9pZCBpbnRlbF9wc3JfaW5p dF9kcGNkKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiB7CiAJc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2ID0KQEAgLTE1OCw2ICsxNzAsOCBAQCB2b2lkIGludGVsX3Bzcl9pbml0 X2RwY2Qoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIAkJCQlpbnRlbF9kcF9nZXRfY29sb3Jp bWV0cnlfc3RhdHVzKGludGVsX2RwKTsKIAkJCWRldl9wcml2LT5wc3IuYWxwbSA9CiAJCQkJaW50 ZWxfZHBfZ2V0X2FscG1fc3RhdHVzKGludGVsX2RwKTsKKwkJCWRldl9wcml2LT5wc3Iuc2lua19z eW5jX2xhdGVuY3kgPQorCQkJCWludGVsX2RwX2dldF9zaW5rX3N5bmNfbGF0ZW5jeShpbnRlbF9k cCk7CiAJCX0KIAl9CiB9CkBAIC0zNzksMTAgKzM5Myw3IEBAIHN0YXRpYyB2b2lkIGhzd19hY3Rp dmF0ZV9wc3IyKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJICogd2l0aCB0aGUgNSBvciA2 IGlkbGUgcGF0dGVybnMuCiAJICovCiAJdWludDMyX3QgaWRsZV9mcmFtZXMgPSBtYXgoNiwgZGV2 X3ByaXYtPnZidC5wc3IuaWRsZV9mcmFtZXMpOwotCXVpbnQzMl90IHZhbDsKLQl1aW50OF90IHNp bmtfbGF0ZW5jeTsKLQotCXZhbCA9IGlkbGVfZnJhbWVzIDw8IEVEUF9QU1IyX0lETEVfRlJBTUVf U0hJRlQ7CisJdTMyIHZhbCA9IGlkbGVfZnJhbWVzIDw8IEVEUF9QU1IyX0lETEVfRlJBTUVfU0hJ RlQ7CiAKIAkvKiBGSVhNRTogc2VsZWN0aXZlIHVwZGF0ZSBpcyBwcm9iYWJseSB0b3RhbGx5IGJy b2tlbiBiZWNhdXNlIGl0IGRvZXNuJ3QKIAkgKiBtZXNoIGF0IGFsbCB3aXRoIG91ciBmcm9udGJ1 ZmZlciB0cmFja2luZy4gQW5kIHRoZSBodyBhbG9uZSBpc24ndApAQCAtMzkyLDE0ICs0MDMsNyBA QCBzdGF0aWMgdm9pZCBoc3dfYWN0aXZhdGVfcHNyMihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2Rw KQogCQl2YWwgfD0gRURQX1lfQ09PUkRJTkFURV9WQUxJRCB8IEVEUF9ZX0NPT1JESU5BVEVfRU5B QkxFOwogCX0KIAotCWlmIChkcm1fZHBfZHBjZF9yZWFkYigmaW50ZWxfZHAtPmF1eCwKLQkJCQlE UF9TWU5DSFJPTklaQVRJT05fTEFURU5DWV9JTl9TSU5LLAotCQkJCSZzaW5rX2xhdGVuY3kpID09 IDEpIHsKLQkJc2lua19sYXRlbmN5ICY9IERQX01BWF9SRVNZTkNfRlJBTUVfQ09VTlRfTUFTSzsK LQl9IGVsc2UgewotCQlzaW5rX2xhdGVuY3kgPSAwOwotCX0KLQl2YWwgfD0gRURQX1BTUjJfRlJB TUVfQkVGT1JFX1NVKHNpbmtfbGF0ZW5jeSArIDEpOworCXZhbCB8PSBFRFBfUFNSMl9GUkFNRV9C RUZPUkVfU1UoZGV2X3ByaXYtPnBzci5zaW5rX3N5bmNfbGF0ZW5jeSArIDEpOwogCiAJaWYgKGRl dl9wcml2LT52YnQucHNyLnRwMl90cDNfd2FrZXVwX3RpbWUgPiA1KQogCQl2YWwgfD0gRURQX1BT UjJfVFAyX1RJTUVfMjUwMDsKLS0gCjIuMTYuMgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vZHJpLWRldmVsCg==