From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville Syrjala Subject: [PATCH v3 1/8] drm/i915: Make sure fb gtt offsets stay within 32bits Date: Tue, 25 Sep 2018 22:37:07 +0300 Message-ID: <20180925193714.25280-2-ville.syrjala@linux.intel.com> References: <20180925193714.25280-1-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id B0CDF898AF for ; Tue, 25 Sep 2018 19:37:26 +0000 (UTC) In-Reply-To: <20180925193714.25280-1-ville.syrjala@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 List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCkxl dCdzIHRyeSB0byBtYWtlIHN1cmUgdGhlIGZiIG9mZnNldCBjb21wdXRhdGlvbnMgbmV2ZXIgaGl0 CmFuIGludGVnZXIgb3ZlcmZsb3cgYnkgbWFraW5nIHN1cmUgdGhlIGVudGlyZSBmYiBzdGF5cwpi ZWxvdyAzMmJpdHMuIGZyYW1lYnVmZmVyX2NoZWNrKCkgaW4gdGhlIGNvcmUgYWxyZWFkeSBkb2Vz CnRoZSBzYW1lIGNoZWNrLCBidXQgYXMgaXQgZG9lc24ndCBrbm93IGFib3V0IHRpbGluZyBzb21l IHRoaW5ncwpjYW4gc2xpcCB0aHJvdWdoLiBSZXBlYXQgdGhlIGNoZWNrIGluIHRoZSBkcml2ZXIg d2l0aCB0aWxpbmcKdGFrZW4gaW50byBhY2NvdW50LgoKdjI6IFVzZSBhZGRfb3ZlcmZsb3dzKCkg YWZ0ZXIgbWFzc2FnaW5nIGl0IHRvIHdvcmsgZm9yIG1lIChDaHJpcykKClNpZ25lZC1vZmYtYnk6 IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Ci0tLQogZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV91dGlscy5oICAgIHwgIDggKysrKy0tLS0KIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDE4ICsrKysrKysrKysrKysrKysrLQogMiBm aWxlcyBjaGFuZ2VkLCAyMSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfdXRpbHMuaCBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfdXRpbHMuaAppbmRleCAzOTVkZDI1MTE1NjguLmM0M2VjOTkzZmE5MCAxMDA2NDQK LS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV91dGlscy5oCisrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfdXRpbHMuaApAQCAtNDQsMTMgKzQ0LDEzIEBACiAJCQkgICAgIF9fc3Ry aW5naWZ5KHgpLCAobG9uZykoeCkpCiAKICNpZiBkZWZpbmVkKEdDQ19WRVJTSU9OKSAmJiBHQ0Nf VkVSU0lPTiA+PSA3MDAwMAotI2RlZmluZSBhZGRfb3ZlcmZsb3dzKEEsIEIpIFwKLQlfX2J1aWx0 aW5fYWRkX292ZXJmbG93X3AoKEEpLCAoQiksICh0eXBlb2YoKEEpICsgKEIpKSkwKQorI2RlZmlu ZSBhZGRfb3ZlcmZsb3dzKEEsIEIsIEMpIFwKKwlfX2J1aWx0aW5fYWRkX292ZXJmbG93X3AoKEEp LCAoQiksIChDKSkKICNlbHNlCi0jZGVmaW5lIGFkZF9vdmVyZmxvd3MoQSwgQikgKHsgXAorI2Rl ZmluZSBhZGRfb3ZlcmZsb3dzKEEsIEIsIEMpICh7IFwKIAl0eXBlb2YoQSkgYSA9IChBKTsgXAog CXR5cGVvZihCKSBiID0gKEIpOyBcCi0JYSArIGIgPCBhOyBcCisJKHR5cGVvZihDKSkoYSArIGIp IDwgYTsgXAogfSkKICNlbmRpZgogCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKaW5k ZXggNGM1YzJiMzllNjVjLi5hM2FlMjRlMDMzMTYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rpc3BsYXkuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k aXNwbGF5LmMKQEAgLTI0MDAsMTAgKzI0MDAsMjYgQEAgc3RhdGljIGludCBpbnRlbF9mYl9vZmZz ZXRfdG9feHkoaW50ICp4LCBpbnQgKnksCiAJCQkJIGludCBjb2xvcl9wbGFuZSkKIHsKIAlzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGZiLT5kZXYpOworCXVuc2ln bmVkIGludCBoZWlnaHQ7CiAKIAlpZiAoZmItPm1vZGlmaWVyICE9IERSTV9GT1JNQVRfTU9EX0xJ TkVBUiAmJgotCSAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFuZV0gJSBpbnRlbF90aWxlX3NpemUo ZGV2X3ByaXYpKQorCSAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFuZV0gJSBpbnRlbF90aWxlX3Np emUoZGV2X3ByaXYpKSB7CisJCURSTV9ERUJVR19LTVMoIk1pc2FsaWduZWQgb2Zmc2V0IDB4JTA4 eCBmb3IgY29sb3IgcGxhbmUgJWRcbiIsCisJCQkgICAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFu ZV0sIGNvbG9yX3BsYW5lKTsKIAkJcmV0dXJuIC1FSU5WQUw7CisJfQorCisJaGVpZ2h0ID0gZHJt X2ZyYW1lYnVmZmVyX3BsYW5lX2hlaWdodChmYi0+aGVpZ2h0LCBmYiwgY29sb3JfcGxhbmUpOwor CWhlaWdodCA9IEFMSUdOKGhlaWdodCwgaW50ZWxfdGlsZV9oZWlnaHQoZmIsIGNvbG9yX3BsYW5l KSk7CisKKwkvKiBDYXRjaCBwb3RlbnRpYWwgb3ZlcmZsb3dzIGVhcmx5ICovCisJaWYgKGFkZF9v dmVyZmxvd3MobXVsX3UzMl91MzIoaGVpZ2h0LCBmYi0+cGl0Y2hlc1tjb2xvcl9wbGFuZV0pLAor CQkJICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFuZV0sICh1MzIpMCkpIHsKKwkJRFJNX0RFQlVHX0tN UygiQmFkIG9mZnNldCAweCUwOHggb3IgcGl0Y2ggJWQgZm9yIGNvbG9yIHBsYW5lICVkXG4iLAor CQkJICAgICAgZmItPm9mZnNldHNbY29sb3JfcGxhbmVdLCBmYi0+cGl0Y2hlc1tjb2xvcl9wbGFu ZV0sCisJCQkgICAgICBjb2xvcl9wbGFuZSk7CisJCXJldHVybiAtRVJBTkdFOworCX0KIAogCSp4 ID0gMDsKIAkqeSA9IDA7Ci0tIAoyLjE2LjQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=