From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: [PATCH 2/4] drm/i915/fbc: sanitize i915.enable_fbc during FBC init Date: Wed, 13 Apr 2016 16:01:09 -0300 Message-ID: <1460574069-14005-1-git-send-email-paulo.r.zanoni@intel.com> References: <20160406141953.GK18736@nuc-i3427.alporthouse.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 ESMTP id 888C46E960 for ; Wed, 13 Apr 2016 19:01:15 +0000 (UTC) In-Reply-To: <20160406141953.GK18736@nuc-i3427.alporthouse.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: Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org VGhlIEREWCBkcml2ZXIgY2hhbmdlcyBpdHMgYmVoYXZpb3IgZGVwZW5kaW5nIG9uIHRoZSB2YWx1 ZSBpdCByZWFkcwpmcm9tIGk5MTUuZW5hYmxlX2ZiYywgc28gc2FuaXRpemUgdGhlIHZhbHVlIGlu IG9yZGVyIHRvIGFsbG93IGl0IHRvCmtub3cgd2hhdCdzIGdvaW5nIG9uLiBJdCB1c2VzIHRoaXMg aW4gb3JkZXIgdG8gY2hvb3NlIHRoZSBkZWZhdWx0cyBmb3IKdGhlIFRlYXJGcmVlIG9wdGlvbi4g QmVmb3JlIHRoaXMgcGF0Y2gsIGl0IHdvdWxkIHJlYWQgLTEgYW5kIGFsd2F5cwphc3N1bWUgdGhh dCBGQkMgd2FzIGRpc2FibGVkLCBzbyBpdCB3b3VsZG4ndCBmb3JjZSBUZWFyRnJlZS4KCnYyOiBF eHRyYWN0IGludGVsX3Nhbml0aXplX2ZiY19vcHRpb24oKSAoQ2hyaXMpLgoKU2lnbmVkLW9mZi1i eTogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZmJjLmMgfCAzMiArKysrKysrKysrKysrKysrKysrKysrKystLS0t LS0tLQogMSBmaWxlIGNoYW5nZWQsIDI0IGluc2VydGlvbnMoKyksIDggZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZmJjLmMgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9mYmMuYwppbmRleCBmYzNjMDk0Li5jM2RmZmJhIDEwMDY0NAotLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9mYmMuYworKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9mYmMuYwpAQCAtODI0LDIxICs4MjQsMTQgQEAgc3RhdGljIGJvb2wgaW50ZWxf ZmJjX2Nhbl9jaG9vc2Uoc3RydWN0IGludGVsX2NydGMgKmNydGMpCiB7CiAJc3RydWN0IGRybV9p OTE1X3ByaXZhdGUgKmRldl9wcml2ID0gY3J0Yy0+YmFzZS5kZXYtPmRldl9wcml2YXRlOwogCXN0 cnVjdCBpbnRlbF9mYmMgKmZiYyA9ICZkZXZfcHJpdi0+ZmJjOwotCWJvb2wgZW5hYmxlX2J5X2Rl ZmF1bHQgPSBJU19IQVNXRUxMKGRldl9wcml2KSB8fAotCQkJCSBJU19CUk9BRFdFTEwoZGV2X3By aXYpOwogCiAJaWYgKGludGVsX3ZncHVfYWN0aXZlKGRldl9wcml2LT5kZXYpKSB7CiAJCWZiYy0+ bm9fZmJjX3JlYXNvbiA9ICJWR1BVIGlzIGFjdGl2ZSI7CiAJCXJldHVybiBmYWxzZTsKIAl9CiAK LQlpZiAoaTkxNS5lbmFibGVfZmJjIDwgMCAmJiAhZW5hYmxlX2J5X2RlZmF1bHQpIHsKLQkJZmJj LT5ub19mYmNfcmVhc29uID0gImRpc2FibGVkIHBlciBjaGlwIGRlZmF1bHQiOwotCQlyZXR1cm4g ZmFsc2U7Ci0JfQotCiAJaWYgKCFpOTE1LmVuYWJsZV9mYmMpIHsKLQkJZmJjLT5ub19mYmNfcmVh c29uID0gImRpc2FibGVkIHBlciBtb2R1bGUgcGFyYW0iOworCQlmYmMtPm5vX2ZiY19yZWFzb24g PSAiZGlzYWJsZWQgcGVyIG1vZHVsZSBwYXJhbSBvciBieSBkZWZhdWx0IjsKIAkJcmV0dXJuIGZh bHNlOwogCX0KIApAQCAtMTIyMyw2ICsxMjE2LDI2IEBAIHZvaWQgaW50ZWxfZmJjX2luaXRfcGlw ZV9zdGF0ZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiAJCQlkZXZfcHJpdi0+ ZmJjLnZpc2libGVfcGlwZXNfbWFzayB8PSAoMSA8PCBjcnRjLT5waXBlKTsKIH0KIAorLyoKKyAq IFRoZSBERFggZHJpdmVyIGNoYW5nZXMgaXRzIGJlaGF2aW9yIGRlcGVuZGluZyBvbiB0aGUgdmFs dWUgaXQgcmVhZHMgZnJvbQorICogaTkxNS5lbmFibGVfZmJjLCBzbyBzYW5pdGl6ZSBpdCBieSB0 cmFuc2xhdGluZyB0aGUgZGVmYXVsdCB2YWx1ZSBpbnRvIGVpdGhlcgorICogMCBvciAxIGluIG9y ZGVyIHRvIGFsbG93IGl0IHRvIGtub3cgd2hhdCdzIGdvaW5nIG9uLgorICoKKyAqIE5vdGljZSB0 aGF0IHRoaXMgaXMgZG9uZSBhdCBkcml2ZXIgaW5pdGlhbGl6YXRpb24gYW5kIHdlIHN0aWxsIGFs bG93IHVzZXIKKyAqIHNwYWNlIHRvIGNoYW5nZSB0aGUgdmFsdWUgZHVyaW5nIHJ1bnRpbWUgd2l0 aG91dCBzYW5pdGl6aW5nIGl0IGFnYWluLiBJR1QKKyAqIHJlbGllcyBvbiBiZWluZyBhYmxlIHRv IGNoYW5nZSBpOTE1LmVuYWJsZV9mYmMgYXQgcnVudGltZS4KKyAqLworc3RhdGljIGludCBpbnRl bF9zYW5pdGl6ZV9mYmNfb3B0aW9uKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikK K3sKKwlpZiAoaTkxNS5lbmFibGVfZmJjID49IDApCisJCXJldHVybiAhIWk5MTUuZW5hYmxlX2Zi YzsKKworCWlmIChJU19IQVNXRUxMKGRldl9wcml2KSB8fCBJU19CUk9BRFdFTEwoZGV2X3ByaXYp KQorCQlyZXR1cm4gMTsKKworCXJldHVybiAwOworfQorCiAvKioKICAqIGludGVsX2ZiY19pbml0 IC0gSW5pdGlhbGl6ZSBGQkMKICAqIEBkZXZfcHJpdjogdGhlIGk5MTUgZGV2aWNlCkBAIC0xMjQw LDYgKzEyNTMsOSBAQCB2b2lkIGludGVsX2ZiY19pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICpkZXZfcHJpdikKIAlmYmMtPmFjdGl2ZSA9IGZhbHNlOwogCWZiYy0+d29yay5zY2hlZHVsZWQg PSBmYWxzZTsKIAorCWk5MTUuZW5hYmxlX2ZiYyA9IGludGVsX3Nhbml0aXplX2ZiY19vcHRpb24o ZGV2X3ByaXYpOworCURSTV9ERUJVR19LTVMoIlNhbml0aXplZCBlbmFibGVfZmJjIHZhbHVlOiAl ZFxuIiwgaTkxNS5lbmFibGVfZmJjKTsKKwogCWlmICghSEFTX0ZCQyhkZXZfcHJpdikpIHsKIAkJ ZmJjLT5ub19mYmNfcmVhc29uID0gInVuc3VwcG9ydGVkIGJ5IHRoaXMgY2hpcHNldCI7CiAJCXJl dHVybjsKLS0gCjIuOC4wLnJjMwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==