From mboxrd@z Thu Jan 1 00:00:00 1970 From: John.C.Harrison@Intel.com Subject: [PATCH 4/4] drm/i915: Update workarounds selftest for read only regs Date: Mon, 17 Jun 2019 18:01:08 -0700 Message-ID: <20190618010108.27499-5-John.C.Harrison@Intel.com> References: <20190618010108.27499-1-John.C.Harrison@Intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id CBD836E0BA for ; Tue, 18 Jun 2019 01:01:09 +0000 (UTC) In-Reply-To: <20190618010108.27499-1-John.C.Harrison@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 List-Id: intel-gfx@lists.freedesktop.org RnJvbTogIlJvYmVydCBNLiBGb3NoYSIgPHJvYmVydC5tLmZvc2hhQGludGVsLmNvbT4KClVwZGF0 ZXMgdGhlIGxpdmVfd29ya2Fyb3VuZHMgc2VsZnRlc3QgdG8gaGFuZGxlIHdoaXRlbGlzdGVkCnJl Z2lzdGVycyB0aGF0IGFyZSBmbGFnZ2VkIGFzIHJlYWQgb25seS4KClNpZ25lZC1vZmYtYnk6IFJv YmVydCBNLiBGb3NoYSA8cm9iZXJ0Lm0uZm9zaGFAaW50ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBK b2huIEhhcnJpc29uIDxKb2huLkMuSGFycmlzb25ASW50ZWwuY29tPgotLS0KIC4uLi9ncHUvZHJt L2k5MTUvZ3Qvc2VsZnRlc3Rfd29ya2Fyb3VuZHMuYyAgICB8IDQzICsrKysrKysrKysrKysrKysr LS0KIDEgZmlsZSBjaGFuZ2VkLCAzOSBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L3NlbGZ0ZXN0X3dvcmthcm91bmRzLmMg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9zZWxmdGVzdF93b3JrYXJvdW5kcy5jCmluZGV4IGM4 ZDMzNWQ2M2Y5Yy4uZWI2ZDNhYTJjOGNjIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9ndC9zZWxmdGVzdF93b3JrYXJvdW5kcy5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0 L3NlbGZ0ZXN0X3dvcmthcm91bmRzLmMKQEAgLTQwOCw2ICs0MDgsMjkgQEAgc3RhdGljIGJvb2wg d29fcmVnaXN0ZXIoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lLCB1MzIgcmVnKQogCXJl dHVybiBmYWxzZTsKIH0KIAorc3RhdGljIGJvb2wgcm9fcmVnaXN0ZXIodTMyIHJlZykKK3sKKwlp ZiAocmVnICYgUklOR19GT1JDRV9UT19OT05QUklWX1JEKQorCQlyZXR1cm4gdHJ1ZTsKKworCXJl dHVybiBmYWxzZTsKK30KKworc3RhdGljIGludCB3aGl0ZWxpc3Rfd3JpdGFibGVfY291bnQoc3Ry dWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQoreworCWludCBjb3VudCA9IGVuZ2luZS0+d2hp dGVsaXN0LmNvdW50OworCWludCBpOworCisJZm9yIChpID0gMDsgaSA8IGVuZ2luZS0+d2hpdGVs aXN0LmNvdW50OyBpKyspIHsKKwkJdTMyIHJlZyA9IGk5MTVfbW1pb19yZWdfb2Zmc2V0KGVuZ2lu ZS0+d2hpdGVsaXN0Lmxpc3RbaV0ucmVnKTsKKworCQlpZiAocm9fcmVnaXN0ZXIocmVnKSkKKwkJ CWNvdW50LS07CisJfQorCisJcmV0dXJuIGNvdW50OworfQorCiBzdGF0aWMgaW50IGNoZWNrX2Rp cnR5X3doaXRlbGlzdChzdHJ1Y3QgaTkxNV9nZW1fY29udGV4dCAqY3R4LAogCQkJCSBzdHJ1Y3Qg aW50ZWxfZW5naW5lX2NzICplbmdpbmUpCiB7CkBAIC00NjMsNiArNDg2LDkgQEAgc3RhdGljIGlu dCBjaGVja19kaXJ0eV93aGl0ZWxpc3Qoc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eCwKIAkJ aWYgKHdvX3JlZ2lzdGVyKGVuZ2luZSwgcmVnKSkKIAkJCWNvbnRpbnVlOwogCisJCWlmIChyb19y ZWdpc3RlcihyZWcpKQorCQkJY29udGludWU7CisKIAkJc3JtID0gTUlfU1RPUkVfUkVHSVNURVJf TUVNOwogCQlscm0gPSBNSV9MT0FEX1JFR0lTVEVSX01FTTsKIAkJaWYgKElOVEVMX0dFTihjdHgt Pmk5MTUpID49IDgpCkBAIC03MzQsOSArNzYwLDEzIEBAIHN0YXRpYyBpbnQgcmVhZF93aGl0ZWxp c3RlZF9yZWdpc3RlcnMoc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKmN0eCwKIAogCWZvciAoaSA9 IDA7IGkgPCBlbmdpbmUtPndoaXRlbGlzdC5jb3VudDsgaSsrKSB7CiAJCXU2NCBvZmZzZXQgPSBy ZXN1bHRzLT5ub2RlLnN0YXJ0ICsgc2l6ZW9mKHUzMikgKiBpOworCQl1MzIgcmVnID0gaTkxNV9t bWlvX3JlZ19vZmZzZXQoZW5naW5lLT53aGl0ZWxpc3QubGlzdFtpXS5yZWcpOworCisJCS8qIENs ZWFyIFJEIG9ubHkgYW5kIFdSIG9ubHkgZmxhZ3MgKi8KKwkJcmVnICY9IH4oUklOR19GT1JDRV9U T19OT05QUklWX1JEIHwgUklOR19GT1JDRV9UT19OT05QUklWX1dSKTsKIAogCQkqY3MrKyA9IHNy bTsKLQkJKmNzKysgPSBpOTE1X21taW9fcmVnX29mZnNldChlbmdpbmUtPndoaXRlbGlzdC5saXN0 W2ldLnJlZyk7CisJCSpjcysrID0gcmVnOwogCQkqY3MrKyA9IGxvd2VyXzMyX2JpdHMob2Zmc2V0 KTsKIAkJKmNzKysgPSB1cHBlcl8zMl9iaXRzKG9mZnNldCk7CiAJfQpAQCAtNzY5LDkgKzc5OSwx NCBAQCBzdGF0aWMgaW50IHNjcnViX3doaXRlbGlzdGVkX3JlZ2lzdGVycyhzdHJ1Y3QgaTkxNV9n ZW1fY29udGV4dCAqY3R4LAogCQlnb3RvIGVycl9iYXRjaDsKIAl9CiAKLQkqY3MrKyA9IE1JX0xP QURfUkVHSVNURVJfSU1NKGVuZ2luZS0+d2hpdGVsaXN0LmNvdW50KTsKKwkqY3MrKyA9IE1JX0xP QURfUkVHSVNURVJfSU1NKHdoaXRlbGlzdF93cml0YWJsZV9jb3VudChlbmdpbmUpKTsKIAlmb3Ig KGkgPSAwOyBpIDwgZW5naW5lLT53aGl0ZWxpc3QuY291bnQ7IGkrKykgewotCQkqY3MrKyA9IGk5 MTVfbW1pb19yZWdfb2Zmc2V0KGVuZ2luZS0+d2hpdGVsaXN0Lmxpc3RbaV0ucmVnKTsKKwkJdTMy IHJlZyA9IGk5MTVfbW1pb19yZWdfb2Zmc2V0KGVuZ2luZS0+d2hpdGVsaXN0Lmxpc3RbaV0ucmVn KTsKKworCQlpZiAocm9fcmVnaXN0ZXIocmVnKSkKKwkJCWNvbnRpbnVlOworCisJCSpjcysrID0g cmVnOwogCQkqY3MrKyA9IDB4ZmZmZmZmZmY7CiAJfQogCSpjcysrID0gTUlfQkFUQ0hfQlVGRkVS X0VORDsKQEAgLTk1Niw3ICs5OTEsNyBAQCBzdGF0aWMgaW50IGxpdmVfaXNvbGF0ZWRfd2hpdGVs aXN0KHZvaWQgKmFyZykKIAl9CiAKIAlmb3JfZWFjaF9lbmdpbmUoZW5naW5lLCBpOTE1LCBpZCkg ewotCQlpZiAoIWVuZ2luZS0+d2hpdGVsaXN0LmNvdW50KQorCQlpZiAoIXdoaXRlbGlzdF93cml0 YWJsZV9jb3VudChlbmdpbmUpKQogCQkJY29udGludWU7CiAKIAkJLyogUmVhZCBkZWZhdWx0IHZh bHVlcyAqLwotLSAKMi4yMS4wLjUuZ2FlYjU4MmE5ODMKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeA==