From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville Syrjala Subject: [PATCH v4 1/8] drm/i915: Make sure fb gtt offsets stay within 32bits Date: Tue, 23 Oct 2018 19:02:01 +0300 Message-ID: <20181023160201.9840-1-ville.syrjala@linux.intel.com> References: <20180925193714.25280-2-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4715F6E17D for ; Tue, 23 Oct 2018 16:02:05 +0000 (UTC) In-Reply-To: <20180925193714.25280-2-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 YWZ0ZXIgbWFzc2FnaW5nIGl0IHRvIHdvcmsgZm9yIG1lIChDaHJpcykKdjM6IENhbGwgaXQgYWRk X292ZXJmbG93X3QoKSB0byBtYXRjaCBtaW5fdCgpICYgY28uIChDaHJpcykKCkNjOiBDaHJpcyBX aWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KU2lnbmVkLW9mZi1ieTogVmlsbGUgU3ly asOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X3V0aWxzLmggICAgfCAxMSArKysrKysrLS0tLQogZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMTggKysrKysrKysrKysrKysrKystCiAyIGZpbGVzIGNo YW5nZWQsIDI0IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV91dGlscy5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV91dGlscy5oCmluZGV4IDU4NThhNDNlMTlkYS4uOTcyNmRmMzdjNGM0IDEwMDY0NAotLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3V0aWxzLmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV91dGlscy5oCkBAIC00NCwxNiArNDQsMTkgQEAKIAkJCSAgICAgX19zdHJpbmdpZnko eCksIChsb25nKSh4KSkKIAogI2lmIGRlZmluZWQoR0NDX1ZFUlNJT04pICYmIEdDQ19WRVJTSU9O ID49IDcwMDAwCi0jZGVmaW5lIGFkZF9vdmVyZmxvd3MoQSwgQikgXAotCV9fYnVpbHRpbl9hZGRf b3ZlcmZsb3dfcCgoQSksIChCKSwgKHR5cGVvZigoQSkgKyAoQikpKTApCisjZGVmaW5lIGFkZF9v dmVyZmxvd3NfdChULCBBLCBCKSBcCisJX19idWlsdGluX2FkZF9vdmVyZmxvd19wKChBKSwgKEIp LCAoVCkwKQogI2Vsc2UKLSNkZWZpbmUgYWRkX292ZXJmbG93cyhBLCBCKSAoeyBcCisjZGVmaW5l IGFkZF9vdmVyZmxvd3NfdChULCBBLCBCKSAoeyBcCiAJdHlwZW9mKEEpIGEgPSAoQSk7IFwKIAl0 eXBlb2YoQikgYiA9IChCKTsgXAotCWEgKyBiIDwgYTsgXAorCShUKShhICsgYikgPCBhOyBcCiB9 KQogI2VuZGlmCiAKKyNkZWZpbmUgYWRkX292ZXJmbG93cyhBLCBCKSBcCisJYWRkX292ZXJmbG93 c190KHR5cGVvZigoQSkgKyAoQikpLCAoQSksIChCKSkKKwogI2RlZmluZSByYW5nZV9vdmVyZmxv d3Moc3RhcnQsIHNpemUsIG1heCkgKHsgXAogCXR5cGVvZihzdGFydCkgc3RhcnRfXyA9IChzdGFy dCk7IFwKIAl0eXBlb2Yoc2l6ZSkgc2l6ZV9fID0gKHNpemUpOyBcCmRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMKaW5kZXggOTY5ZDIyY2E4ZGNkLi5lNTIwZmFjYzIzZTEgMTAwNjQ0Ci0t LSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYworKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKQEAgLTIzNTEsMTAgKzIzNTEsMjYgQEAgc3RhdGlj IGludCBpbnRlbF9mYl9vZmZzZXRfdG9feHkoaW50ICp4LCBpbnQgKnksCiAJCQkJIGludCBjb2xv cl9wbGFuZSkKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1 KGZiLT5kZXYpOworCXVuc2lnbmVkIGludCBoZWlnaHQ7CiAKIAlpZiAoZmItPm1vZGlmaWVyICE9 IERSTV9GT1JNQVRfTU9EX0xJTkVBUiAmJgotCSAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFuZV0g JSBpbnRlbF90aWxlX3NpemUoZGV2X3ByaXYpKQorCSAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFu ZV0gJSBpbnRlbF90aWxlX3NpemUoZGV2X3ByaXYpKSB7CisJCURSTV9ERUJVR19LTVMoIk1pc2Fs aWduZWQgb2Zmc2V0IDB4JTA4eCBmb3IgY29sb3IgcGxhbmUgJWRcbiIsCisJCQkgICAgICBmYi0+ b2Zmc2V0c1tjb2xvcl9wbGFuZV0sIGNvbG9yX3BsYW5lKTsKIAkJcmV0dXJuIC1FSU5WQUw7CisJ fQorCisJaGVpZ2h0ID0gZHJtX2ZyYW1lYnVmZmVyX3BsYW5lX2hlaWdodChmYi0+aGVpZ2h0LCBm YiwgY29sb3JfcGxhbmUpOworCWhlaWdodCA9IEFMSUdOKGhlaWdodCwgaW50ZWxfdGlsZV9oZWln aHQoZmIsIGNvbG9yX3BsYW5lKSk7CisKKwkvKiBDYXRjaCBwb3RlbnRpYWwgb3ZlcmZsb3dzIGVh cmx5ICovCisJaWYgKGFkZF9vdmVyZmxvd3NfdCh1MzIsIG11bF91MzJfdTMyKGhlaWdodCwgZmIt PnBpdGNoZXNbY29sb3JfcGxhbmVdKSwKKwkJCSAgICBmYi0+b2Zmc2V0c1tjb2xvcl9wbGFuZV0p KSB7CisJCURSTV9ERUJVR19LTVMoIkJhZCBvZmZzZXQgMHglMDh4IG9yIHBpdGNoICVkIGZvciBj b2xvciBwbGFuZSAlZFxuIiwKKwkJCSAgICAgIGZiLT5vZmZzZXRzW2NvbG9yX3BsYW5lXSwgZmIt PnBpdGNoZXNbY29sb3JfcGxhbmVdLAorCQkJICAgICAgY29sb3JfcGxhbmUpOworCQlyZXR1cm4g LUVSQU5HRTsKKwl9CiAKIAkqeCA9IDA7CiAJKnkgPSAwOwotLSAKMi4xOC4xCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK