From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lyude Paul Subject: [PATCH v3 3/5] drm/i915: Fix threshold check in intel_hpd_irq_storm_detect() Date: Fri, 2 Nov 2018 20:19:06 -0400 Message-ID: <20181103001909.23645-4-lyude@redhat.com> References: <20181103001909.23645-1-lyude@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181103001909.23645-1-lyude@redhat.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: David Airlie , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rodrigo Vivi List-Id: dri-devel@lists.freedesktop.org Q3VycmVudGx5IGluIGludGVsX2hwZF9pcnFfc3Rvcm1fZGV0ZWN0KCkgd2hlbiB3ZSBkZXRlY3Qg dGhhdCB0aGUgbGFzdApyZWNvcmRlZCBob3RwbHVnIHdhc24ndCB3aXRoaW4gdGhlIHBlcmlvZCBk ZWZpbmVkIGJ5CkhQRF9TVE9STV9ERVRFQ1RfREVMQVksIHdlIG1ha2UgdGhlIG1pc3Rha2Ugb2Yg cmVzZXR0aW5nIHRoZSBIUEQgY291bnQKdG8gMCB3aXRob3V0IGluY3JlbWVudGluZyBpdC4gVGhp cyByZXN1bHRzIGluIHVzIG9ubHkgZW5hYmxpbmcgc3Rvcm0KZGV0ZWN0aW9uIHdoZW4gd2UgZ28g KzIgYWJvdmUgdGhlIHRocmVzaG9sZCwgZS5nLiBhbiBIUEQgdGhyZXNob2xkIG9mIDUKd291bGQg bm90IHRyaWdnZXIgYSBzdG9ybSB1bnRpbCB3ZSByZWFjaCBhIHRvdGFsIG9mIDcgaG90cGx1Z3Mu CgpTbzogcmV3b3JrIHRoZSBjb2RlIGEgYml0IHNvIHdlIHJlc2V0IHRoZSBIUEQgY291bnQgd2hl bgpIUERfU1RPUk1fREVURUNUX0RFTEFZIGhhcyBwYXNzZWQsIHRoZW4gaW5jcmVtZW50IHRoZSBj b3VudCBhZnRlcndhcmRzLgpBbHNvLCBjbGVhbiB0aGluZ3MgdXAgYSBiaXQgdG8gbWFrZSBpdCBl YXNpZXIgdG8gdW5kZXJ0YW5kLgoKQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBs aW51eC5pbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEx5dWRlIFBhdWwgPGx5dWRlQHJlZGhhdC5j b20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfaG90cGx1Zy5jIHwgMjMgKysrKysr KysrKysrKy0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAxMCBk ZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ob3Rw bHVnLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ob3RwbHVnLmMKaW5kZXggODMyNjkw MGEzMTFlLi5jMTFkNzNkZTE2ZjIgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2hvdHBsdWcuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ob3RwbHVnLmMK QEAgLTEzNSwyNCArMTM1LDI3IEBAIGVudW0gaHBkX3BpbiBpbnRlbF9ocGRfcGluX2RlZmF1bHQo c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogc3RhdGljIGJvb2wgaW50ZWxfaHBk X2lycV9zdG9ybV9kZXRlY3Qoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogCQkJ CSAgICAgICBlbnVtIGhwZF9waW4gcGluKQogewotCXVuc2lnbmVkIGxvbmcgc3RhcnQgPSBkZXZf cHJpdi0+aG90cGx1Zy5zdGF0c1twaW5dLmxhc3RfamlmZmllczsKKwlzdHJ1Y3QgaTkxNV9ob3Rw bHVnICpocGQgPSAmZGV2X3ByaXYtPmhvdHBsdWc7CisJdW5zaWduZWQgbG9uZyBzdGFydCA9IGhw ZC0+c3RhdHNbcGluXS5sYXN0X2ppZmZpZXM7CiAJdW5zaWduZWQgbG9uZyBlbmQgPSBzdGFydCAr IG1zZWNzX3RvX2ppZmZpZXMoSFBEX1NUT1JNX0RFVEVDVF9QRVJJT0QpOwotCWNvbnN0IGludCB0 aHJlc2hvbGQgPSBkZXZfcHJpdi0+aG90cGx1Zy5ocGRfc3Rvcm1fdGhyZXNob2xkOworCWNvbnN0 IGludCB0aHJlc2hvbGQgPSBocGQtPmhwZF9zdG9ybV90aHJlc2hvbGQ7CiAJYm9vbCBzdG9ybSA9 IGZhbHNlOwogCisJaWYgKCF0aHJlc2hvbGQpCisJCXJldHVybiBmYWxzZTsKKwogCWlmICghdGlt ZV9pbl9yYW5nZShqaWZmaWVzLCBzdGFydCwgZW5kKSkgewotCQlkZXZfcHJpdi0+aG90cGx1Zy5z dGF0c1twaW5dLmxhc3RfamlmZmllcyA9IGppZmZpZXM7Ci0JCWRldl9wcml2LT5ob3RwbHVnLnN0 YXRzW3Bpbl0uY291bnQgPSAwOwotCQlEUk1fREVCVUdfS01TKCJSZWNlaXZlZCBIUEQgaW50ZXJy dXB0IG9uIFBJTiAlZCAtIGNudDogMFxuIiwgcGluKTsKLQl9IGVsc2UgaWYgKGRldl9wcml2LT5o b3RwbHVnLnN0YXRzW3Bpbl0uY291bnQgPiB0aHJlc2hvbGQgJiYKLQkJICAgdGhyZXNob2xkKSB7 Ci0JCWRldl9wcml2LT5ob3RwbHVnLnN0YXRzW3Bpbl0uc3RhdGUgPSBIUERfTUFSS19ESVNBQkxF RDsKKwkJaHBkLT5zdGF0c1twaW5dLmxhc3RfamlmZmllcyA9IGppZmZpZXM7CisJCWhwZC0+c3Rh dHNbcGluXS5jb3VudCA9IDA7CisJfQorCisJaWYgKCsraHBkLT5zdGF0c1twaW5dLmNvdW50ID4g dGhyZXNob2xkKSB7CisJCWhwZC0+c3RhdHNbcGluXS5zdGF0ZSA9IEhQRF9NQVJLX0RJU0FCTEVE OwogCQlEUk1fREVCVUdfS01TKCJIUEQgaW50ZXJydXB0IHN0b3JtIGRldGVjdGVkIG9uIFBJTiAl ZFxuIiwgcGluKTsKIAkJc3Rvcm0gPSB0cnVlOwogCX0gZWxzZSB7Ci0JCWRldl9wcml2LT5ob3Rw bHVnLnN0YXRzW3Bpbl0uY291bnQrKzsKIAkJRFJNX0RFQlVHX0tNUygiUmVjZWl2ZWQgSFBEIGlu dGVycnVwdCBvbiBQSU4gJWQgLSBjbnQ6ICVkXG4iLCBwaW4sCi0JCQkgICAgICBkZXZfcHJpdi0+ aG90cGx1Zy5zdGF0c1twaW5dLmNvdW50KTsKKwkJCSAgICAgIGhwZC0+c3RhdHNbcGluXS5jb3Vu dCk7CiAJfQogCiAJcmV0dXJuIHN0b3JtOwotLSAKMi4xOS4xCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK