From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jim Bride Subject: [PATCH v3 2/4] drm/i915/psr: Account for sink CRC raciness on some panels Date: Tue, 11 Jul 2017 15:19:54 -0700 Message-ID: <1499811596-14634-3-git-send-email-jim.bride@linux.intel.com> References: <1499811596-14634-1-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 mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC7D06E31A for ; Tue, 11 Jul 2017 22:22:26 +0000 (UTC) In-Reply-To: <1499811596-14634-1-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 emUgY2hhbmdlcyB0byB0aGUgY29kZSAoSmFuaSkKICAgICogUmViYXNlCgpDYzogUm9kcmlnbyBW aXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgpDYzogUGF1bG8gWmFub25pIDxwYXVsby5yLnph bm9uaUBpbnRlbC5jb20+CkNjOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgpS ZXZpZXdlZC1ieTogUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgpTaWduZWQt b2ZmLWJ5OiBKaW0gQnJpZGUgPGppbS5icmlkZUBsaW51eC5pbnRlbC5jb20+Ci0tLQogZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDQwICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAzNiBpbnNlcnRpb25zKCspLCA0IGRlbGV0 aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCmluZGV4IDJkNDJkMDkuLjY5YzgxMzBjIDEw MDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCisrKyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMKQEAgLTM5MDYsNiArMzkwNiwxNCBAQCBpbnQgaW50ZWxf ZHBfc2lua19jcmMoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwgdTggKmNyYykKIAl1OCBidWY7 CiAJaW50IGNvdW50LCByZXQ7CiAJaW50IGF0dGVtcHRzID0gNjsKKwl1OCBvbGRfY3JjWzZdOwor CisJaWYgKGNyYyAhPSBOVUxMKSB7CisJCW1lbXNldChjcmMsIDAsIDYpOworCQltZW1zZXQob2xk X2NyYywgMHhmZiwgNik7CisJfSBlbHNlIHsKKwkJcmV0dXJuIC1FTk9NRU07CisJfQogCiAJcmV0 ID0gaW50ZWxfZHBfc2lua19jcmNfc3RhcnQoaW50ZWxfZHApOwogCWlmIChyZXQpCkBAIC0zOTI5 LDExICszOTM3LDM1IEBAIGludCBpbnRlbF9kcF9zaW5rX2NyYyhzdHJ1Y3QgaW50ZWxfZHAgKmlu dGVsX2RwLCB1OCAqY3JjKQogCQlnb3RvIHN0b3A7CiAJfQogCi0JaWYgKGRybV9kcF9kcGNkX3Jl YWQoJmludGVsX2RwLT5hdXgsIERQX1RFU1RfQ1JDX1JfQ1IsIGNyYywgNikgPCAwKSB7Ci0JCXJl dCA9IC1FSU87Ci0JCWdvdG8gc3RvcDsKLQl9CisJYXR0ZW1wdHMgPSA2OworCisJLyoKKwkgKiBT b21ldGltZXMgaXQgdGFrZXMgYSB3aGlsZSBmb3IgdGhlICJyZWFsIiBDUkMgdmFsdWVzIHRvIGxh bmQgaW4KKwkgKiB0aGUgRFBDRCwgc28gdHJ5IHNldmVyYWwgdGltZXMgdW50aWwgd2UgZ2V0IHR3 byByZWFkcyBpbiBhIHJvdworCSAqIHRoYXQgYXJlIHRoZSBzYW1lLiAgSWYgd2UncmUgYW4gZURQ IHBhbmVsLCBkZWxheSBiZXR3ZWVuIHJlYWRzCisJICogZm9yIGEgd2hpbGUgc2luY2UgdGhlIHZh bHVlcyB0YWtlIGEgYml0IGxvbmdlciB0byBwcm9wYWdhdGUuCisJICovCisJZG8geworCQlpbnRl bF93YWl0X2Zvcl92YmxhbmsoZGV2X3ByaXYsIGludGVsX2NydGMtPnBpcGUpOworCQlpZiAoaXNf ZWRwKGludGVsX2RwKSkKKwkJCXVzbGVlcF9yYW5nZSgyMDAwMCwgMjUwMDApOworCisJCWlmIChk cm1fZHBfZHBjZF9yZWFkKCZpbnRlbF9kcC0+YXV4LCBEUF9URVNUX0NSQ19SX0NSLAorCQkJCSAg ICAgY3JjLCA2KSA8IDApIHsKKwkJCXJldCA9IC1FSU87CisJCQlnb3RvIHN0b3A7CisJCX0KKwor CQlpZiAobWVtY21wKG9sZF9jcmMsIGNyYywgNikgPT0gMCkgeworCQkJcmV0ID0gMDsKKwkJCWdv dG8gc3RvcDsKKwkJfSBlbHNlIHsKKwkJCW1lbWNweShvbGRfY3JjLCBjcmMsIDYpOworCQl9CisJ fSB3aGlsZSAoLS1hdHRlbXB0cyk7CiAKKwlEUk1fREVCVUdfS01TKCJGYWlsZWQgdG8gZ2V0IENS QyBhZnRlciA2IGF0dGVtcHRzLlxuIik7CisJcmV0ID0gLUVUSU1FRE9VVDsKIHN0b3A6CiAJaW50 ZWxfZHBfc2lua19jcmNfc3RvcChpbnRlbF9kcCk7CiAJcmV0dXJuIHJldDsKLS0gCjIuNy40Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK