From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramalingam C Subject: [PATCH v3 1/4] drm/i915: Pullout the bksv read and validation Date: Mon, 22 Oct 2018 19:46:02 +0530 Message-ID: <1540217765-10460-2-git-send-email-ramalingam.c@intel.com> References: <1540217765-10460-1-git-send-email-ramalingam.c@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id C817189CF2 for ; Mon, 22 Oct 2018 14:19:19 +0000 (UTC) In-Reply-To: <1540217765-10460-1-git-send-email-ramalingam.c@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, daniel.vetter@ffwll.ch List-Id: intel-gfx@lists.freedesktop.org Rm9yIHJldXNhYmlsaXR5IHB1cnBvc2UsIHRoaXMgcGF0Y2ggaW1wbGVtZW50cyB0aGUgaGRjcDEu NCBia3N2J3MKcmVhZCBhbmQgdmFsaWRhdGlvbiBhcyBhIGZ1bmN0aW9ucy4KCkZvciBkZXRlY3Rp bmcgdGhlIEhETUkgcGFuZWwncyBIRENQIGNhcGFiaWxpdHkgdGhpcyBmdWNudGlvbnMgd2lsbCBi ZQp1c2VkLgoKdjI6CiAgUmViYXNlZC4KdjM6CiAgTm8gQ2hhbmdlcy4KdjQ6CiAgaW5saW5lIHRh ZyBpcyByZW1vdmVkIHdpdGggbW9kaWZpZWQgZXJyb3IgbXNnLgp2NToKICBObyBDaGFuZ2VzLgp2 NjoKICBObyBDaGFuZ2VzLgp2NzoKICBSZWFsaWduZWQgdGhlIGNvZGUuCgpTaWduZWQtb2ZmLWJ5 OiBSYW1hbGluZ2FtIEMgPHJhbWFsaW5nYW0uY0BpbnRlbC5jb20+ClJldmlld2VkLWJ5OiBTZWFu IFBhdWwgPHNlYW5wYXVsQGNocm9taXVtLm9yZz4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9oZGNwLmMgfCA2MiArKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0K IDEgZmlsZSBjaGFuZ2VkLCAzOCBpbnNlcnRpb25zKCspLCAyNCBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9oZGNwLmMKaW5kZXggMjZlNDhmYzk1NTQzLi4yMDkwOGZmMDE4ZTYgMTAw NjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkY3AuYworKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMKQEAgLTE2LDYgKzE2LDQxIEBACiAKICNkZWZpbmUg S0VZX0xPQURfVFJJRVMJNQogCitzdGF0aWMKK2Jvb2wgaW50ZWxfaGRjcF9pc19rc3ZfdmFsaWQo dTggKmtzdikKK3sKKwlpbnQgaSwgb25lcyA9IDA7CisJLyogS1NWIGhhcyAyMCAxJ3MgYW5kIDIw IDAncyAqLworCWZvciAoaSA9IDA7IGkgPCBEUk1fSERDUF9LU1ZfTEVOOyBpKyspCisJCW9uZXMg Kz0gaHdlaWdodDgoa3N2W2ldKTsKKwlpZiAob25lcyAhPSAyMCkKKwkJcmV0dXJuIGZhbHNlOwor CisJcmV0dXJuIHRydWU7Cit9CisKK3N0YXRpYworaW50IGludGVsX2hkY3BfcmVhZF92YWxpZF9i a3N2KHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0LAorCQkJICAgICAg IGNvbnN0IHN0cnVjdCBpbnRlbF9oZGNwX3NoaW0gKnNoaW0sIHU4ICpia3N2KQoreworCWludCBy ZXQsIGksIHRyaWVzID0gMjsKKworCS8qIEhEQ1Agc3BlYyBzdGF0ZXMgdGhhdCB3ZSBtdXN0IHJl dHJ5IHRoZSBia3N2IGlmIGl0IGlzIGludmFsaWQgKi8KKwlmb3IgKGkgPSAwOyBpIDwgdHJpZXM7 IGkrKykgeworCQlyZXQgPSBzaGltLT5yZWFkX2Jrc3YoaW50ZWxfZGlnX3BvcnQsIGJrc3YpOwor CQlpZiAocmV0KQorCQkJcmV0dXJuIHJldDsKKwkJaWYgKGludGVsX2hkY3BfaXNfa3N2X3ZhbGlk KGJrc3YpKQorCQkJYnJlYWs7CisJfQorCWlmIChpID09IHRyaWVzKSB7CisJCURSTV9FUlJPUigi QmtzdiBpcyBpbnZhbGlkXG4iKTsKKwkJcmV0dXJuIC1FTk9ERVY7CisJfQorCisJcmV0dXJuIDA7 Cit9CisKIHN0YXRpYyBpbnQgaW50ZWxfaGRjcF9wb2xsX2tzdl9maWZvKHN0cnVjdCBpbnRlbF9k aWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0LAogCQkJCSAgICBjb25zdCBzdHJ1Y3QgaW50ZWxf aGRjcF9zaGltICpzaGltKQogewpAQCAtMTY4LDE4ICsyMDMsNiBAQCB1MzIgaW50ZWxfaGRjcF9n ZXRfcmVwZWF0ZXJfY3RsKHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0 KQogfQogCiBzdGF0aWMKLWJvb2wgaW50ZWxfaGRjcF9pc19rc3ZfdmFsaWQodTggKmtzdikKLXsK LQlpbnQgaSwgb25lcyA9IDA7Ci0JLyogS1NWIGhhcyAyMCAxJ3MgYW5kIDIwIDAncyAqLwotCWZv ciAoaSA9IDA7IGkgPCBEUk1fSERDUF9LU1ZfTEVOOyBpKyspCi0JCW9uZXMgKz0gaHdlaWdodDgo a3N2W2ldKTsKLQlpZiAob25lcyAhPSAyMCkKLQkJcmV0dXJuIGZhbHNlOwotCXJldHVybiB0cnVl OwotfQotCi1zdGF0aWMKIGludCBpbnRlbF9oZGNwX3ZhbGlkYXRlX3ZfcHJpbWUoc3RydWN0IGlu dGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxfZGlnX3BvcnQsCiAJCQkJY29uc3Qgc3RydWN0IGludGVs X2hkY3Bfc2hpbSAqc2hpbSwKIAkJCQl1OCAqa3N2X2ZpZm8sIHU4IG51bV9kb3duc3RyZWFtLCB1 OCAqYnN0YXR1cykKQEAgLTUyNywxOCArNTUwLDkgQEAgc3RhdGljIGludCBpbnRlbF9oZGNwX2F1 dGgoc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxfZGlnX3BvcnQsCiAKIAltZW1zZXQo JmJrc3YsIDAsIHNpemVvZihia3N2KSk7CiAKLQkvKiBIRENQIHNwZWMgc3RhdGVzIHRoYXQgd2Ug bXVzdCByZXRyeSB0aGUgYmtzdiBpZiBpdCBpcyBpbnZhbGlkICovCi0JZm9yIChpID0gMDsgaSA8 IHRyaWVzOyBpKyspIHsKLQkJcmV0ID0gc2hpbS0+cmVhZF9ia3N2KGludGVsX2RpZ19wb3J0LCBi a3N2LnNoaW0pOwotCQlpZiAocmV0KQotCQkJcmV0dXJuIHJldDsKLQkJaWYgKGludGVsX2hkY3Bf aXNfa3N2X3ZhbGlkKGJrc3Yuc2hpbSkpCi0JCQlicmVhazsKLQl9Ci0JaWYgKGkgPT0gdHJpZXMp IHsKLQkJRFJNX0VSUk9SKCJIRENQIGZhaWxlZCwgQmtzdiBpcyBpbnZhbGlkXG4iKTsKLQkJcmV0 dXJuIC1FTk9ERVY7Ci0JfQorCXJldCA9IGludGVsX2hkY3BfcmVhZF92YWxpZF9ia3N2KGludGVs X2RpZ19wb3J0LCBzaGltLCBia3N2LnNoaW0pOworCWlmIChyZXQgPCAwKQorCQlyZXR1cm4gcmV0 OwogCiAJSTkxNV9XUklURShQT1JUX0hEQ1BfQktTVkxPKHBvcnQpLCBia3N2LnJlZ1swXSk7CiAJ STkxNV9XUklURShQT1JUX0hEQ1BfQktTVkhJKHBvcnQpLCBia3N2LnJlZ1sxXSk7Ci0tIAoyLjcu NAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwt Z2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==