From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Bride Subject: [PATCH v4 RESEND 2/4] drm/i915/psr: Account for sink CRC raciness on some panels Date: Tue, 25 Jul 2017 09:48:09 -0700 Message-ID: <1501001291-2708-3-git-send-email-jim.bride@linux.intel.com> References: <1501001291-2708-1-git-send-email-jim.bride@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id DE5B66E5BA for ; Tue, 25 Jul 2017 16:50:51 +0000 (UTC) In-Reply-To: <1501001291-2708-1-git-send-email-jim.bride@linux.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: Jani Nikula , Paulo Zanoni , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org QWNjb3JkaW5nIHRvIHRoZSBlRFAgc3BlYywgd2hlbiB0aGUgY291bnQgZmllbGQgaW4gVEVTVF9T SU5LX01JU0MKaW5jcmVtZW50cyB0aGVuIHRoZSBzaXggYnl0ZXMgb2Ygc2luayBDUkMgaW5mb3Jt YXRpb24gaW4gdGhlIERQQ0QKc2hvdWxkIGJlIHZhbGlkLiAgVW5mb3J0dW5hdGVseSwgdGhpcyBk b2Vzbid0IHNlZW0gdG8gYmUgdGhlIGNhc2UKb24gc29tZSBwYW5lbHMsIGFuZCBhcyBhIHJlc3Vs dCB3ZSBnZXQgc29tZSBpbmNvcnJlY3QgYW5kIGluY29uc2lzdGVudAp2YWx1ZXMgZnJvbSB0aGUg c2luayBDUkMgRFBDRCBsb2NhdGlvbnMgYXQgdGltZXMuICBUaGlzIHByb2JsZW0gZXhoaWJpdHMK aXRzZWxmIG1vcmUgb24gZmFzdGVyIHByb2Nlc3NvcnMgKHJlbGF0aXZlIGZhaWx1cmUgcmF0ZXMg SFNXIDwgU0tMIDwgS0JMLikKSW4gb3JkZXIgdG8gdHJ5IGFuZCBhY2NvdW50IGZvciB0aGlzLCB3 ZSB0cnkgYSBsb3QgaGFyZGVyIHRvIHJlYWQgdGhlIHNpbmsKQ1JDIHVudGlsIHdlIGdldCBjb25z aXN0ZW50IHZhbHVlcyB0d2ljZSBpbiBhIHJvdyBiZWZvcmUgcmV0dXJuaW5nIHdoYXQgd2UKcmVh ZCBhbmQgZGVsYXkgZm9yIGEgdGltZSBiZWZvcmUgdHJ5aW5nIHRvIHJlYWQuICBXZSBzdGlsbCBz ZWUgc29tZQpvY2Nhc2lvbmFsIGZhaWx1cmVzLCBidXQgcmVhZGluZyB0aGUgc2luayBDUkMgaXMg bXVjaCBtb3JlIHJlbGlhYmxlLApwYXJ0aWN1bGFybHkgb24gU0tMIGFuZCBLQkwsIHdpdGggdGhl c2UgY2hhbmdlcyB0aGFuIHdpdGhvdXQuCgp2MjogKiBSZWR1Y2UgbnVtYmVyIG9mIHJldHJpZXMg d2hlbiByZWFkaW5nIHRoZSBzaW5rIENSQyAoSmFuaSkKICAgICogUmVmYWN0b3IgdG8gbWluaW1p emUgY2hhbmdlcyB0byB0aGUgY29kZSAoSmFuaSkKICAgICogUmViYXNlCnYzOiAqIFJlYmFzZQp2 NDogKiBTd2l0Y2ggZnJvbSBkby13aGlsZSB0byBmb3IgbG9vcCB3aGVuIHJlYWRpbmcgQ1JDIHZh bHVlcyAoSmFuaSkKICAgICogUmViYXNlCkNjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBp bnRlbC5jb20+CkNjOiBQYXVsbyBaYW5vbmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KQ2M6 IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEppbSBC cmlkZSA8amltLmJyaWRlQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcC5jIHwgMzMgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tCiAxIGZp bGUgY2hhbmdlZCwgMzAgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHAuYwppbmRleCAyZDQyZDA5Li5jOTBjYTFjIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rw LmMKQEAgLTM5MDYsNiArMzkwNiwxMSBAQCBpbnQgaW50ZWxfZHBfc2lua19jcmMoc3RydWN0IGlu dGVsX2RwICppbnRlbF9kcCwgdTggKmNyYykKIAl1OCBidWY7CiAJaW50IGNvdW50LCByZXQ7CiAJ aW50IGF0dGVtcHRzID0gNjsKKwl1OCBvbGRfY3JjWzZdOworCisJaWYgKGNyYyA9PSBOVUxMKSB7 CisJCXJldHVybiAtRU5PTUVNOworCX0KIAogCXJldCA9IGludGVsX2RwX3NpbmtfY3JjX3N0YXJ0 KGludGVsX2RwKTsKIAlpZiAocmV0KQpAQCAtMzkyOSwxMSArMzkzNCwzMyBAQCBpbnQgaW50ZWxf ZHBfc2lua19jcmMoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwgdTggKmNyYykKIAkJZ290byBz dG9wOwogCX0KIAotCWlmIChkcm1fZHBfZHBjZF9yZWFkKCZpbnRlbF9kcC0+YXV4LCBEUF9URVNU X0NSQ19SX0NSLCBjcmMsIDYpIDwgMCkgewotCQlyZXQgPSAtRUlPOwotCQlnb3RvIHN0b3A7CisJ LyoKKwkgKiBTb21ldGltZXMgaXQgdGFrZXMgYSB3aGlsZSBmb3IgdGhlICJyZWFsIiBDUkMgdmFs dWVzIHRvIGxhbmQgaW4KKwkgKiB0aGUgRFBDRCwgc28gdHJ5IHNldmVyYWwgdGltZXMgdW50aWwg d2UgZ2V0IHR3byByZWFkcyBpbiBhIHJvdworCSAqIHRoYXQgYXJlIHRoZSBzYW1lLiAgSWYgd2Un cmUgYW4gZURQIHBhbmVsLCBkZWxheSBiZXR3ZWVuIHJlYWRzCisJICogZm9yIGEgd2hpbGUgc2lu Y2UgdGhlIHZhbHVlcyB0YWtlIGEgYml0IGxvbmdlciB0byBwcm9wYWdhdGUuCisJICovCisJZm9y IChhdHRlbXB0cyA9IDA7IGF0dGVtcHRzIDwgNjsgYXR0ZW1wdHMrKykgeworCQlpbnRlbF93YWl0 X2Zvcl92YmxhbmsoZGV2X3ByaXYsIGludGVsX2NydGMtPnBpcGUpOworCisJCWlmIChkcm1fZHBf ZHBjZF9yZWFkKCZpbnRlbF9kcC0+YXV4LCBEUF9URVNUX0NSQ19SX0NSLAorCQkJCSAgICAgY3Jj LCA2KSA8IDApIHsKKwkJCXJldCA9IC1FSU87CisJCQlicmVhazsKKwkJfQorCisJCWlmIChhdHRl bXB0cyAmJiBtZW1jbXAob2xkX2NyYywgY3JjLCA2KSA9PSAwKQorCQkJYnJlYWs7CisJCW1lbWNw eShvbGRfY3JjLCBjcmMsIDYpOworCisJCWlmIChpc19lZHAoaW50ZWxfZHApKQorCQkJdXNsZWVw X3JhbmdlKDIwMDAwLCAyNTAwMCk7CiAJfQogCisJaWYgKGF0dGVtcHRzID09IDYpIHsKKwkJRFJN X0RFQlVHX0tNUygiRmFpbGVkIHRvIGdldCBDUkMgYWZ0ZXIgNiBhdHRlbXB0cy5cbiIpOworCQly ZXQgPSAtRVRJTUVET1VUOworCX0KIHN0b3A6CiAJaW50ZWxfZHBfc2lua19jcmNfc3RvcChpbnRl bF9kcCk7CiAJcmV0dXJuIHJldDsKLS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK