From mboxrd@z Thu Jan 1 00:00:00 1970 From: ankitprasad.r.sharma@intel.com Subject: [PATCH 10/10] drm/i915: Disable use of stolen area by User when Intel RST is present Date: Tue, 26 Jan 2016 01:13:36 +0530 Message-ID: <1453751016-8713-11-git-send-email-ankitprasad.r.sharma@intel.com> References: <1453751016-8713-1-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 1D7AA72032 for ; Mon, 25 Jan 2016 12:05:37 -0800 (PST) In-Reply-To: <1453751016-8713-1-git-send-email-ankitprasad.r.sharma@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 Cc: akash.goel@intel.com, shashidhar.hiremath@intel.com, Ankitprasad Sharma List-Id: intel-gfx@lists.freedesktop.org RnJvbTogQW5raXRwcmFzYWQgU2hhcm1hIDxhbmtpdHByYXNhZC5yLnNoYXJtYUBpbnRlbC5jb20+ CgpUaGUgQklPUyBSYXBpZFN0YXJ0VGVjaG5vbG9neSBtYXkgY29ycnVwdCB0aGUgc3RvbGVuIG1l bW9yeSBhY3Jvc3MgUzMKc3VzcGVuZCBkdWUgdG8gdW5hbGFybWVkIGhpYmVybmF0aW9uLCBpbiB3 aGljaCBjYXNlIHdlIHdpbGwgbm90IGJlIGFibGUKdG8gcHJlc2VydmUgdGhlIFVzZXIgZGF0YSBz dG9yZWQgaW4gdGhlIHN0b2xlbiByZWdpb24uIEhlbmNlIHRoaXMgcGF0Y2gKdHJpZXMgdG8gaWRl bnRpZnkgcHJlc2VuY2Ugb2YgdGhlIFJTVCBkZXZpY2Ugb24gdGhlIEFDUEkgYnVzLCBhbmQKZGlz YWJsZXMgdXNlIG9mIHN0b2xlbiBtZW1vcnkgKGZvciBwZXJzaXN0ZW50IGRhdGEpIGlmIGZvdW5k LgoKdjI6IFVwZGF0ZWQgY29tbWVudCwgdXBkYXRlZC9jb3JyZWN0ZWQgbmV3IGZ1bmN0aW9ucyBw cml2YXRlIHRvIGRyaXZlcgooQ2hyaXMvVHZydGtvKQoKdjM6IERpc2FibGluZyBzdG9sZW4gYnkg ZGVmYXVsdCwgd2FpdCB0aWxsIHJlcXVpcmVkIGFjcGkgY2hhbmdlcyB0bwpkZXRlY3QgZGV2aWNl IHByZXNlbmNlIGFyZSBwdWxsZWQgaW4gKEFua2l0KQoKU2lnbmVkLW9mZi1ieTogQW5raXRwcmFz YWQgU2hhcm1hIDxhbmtpdHByYXNhZC5yLnNoYXJtYUBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9kcnYuaCAgICAgICAgfCAxMSArKysrKysrKysrKwogZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgICAgfCAgOCArKysrKysrKwogZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9nZW1fc3RvbGVuLmMgfCAxNCArKysrKysrKysrKysrKwogZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfYWNwaS5jICAgICAgfCAxMCArKysrKysrKysrCiA0IGZpbGVzIGNo YW5nZWQsIDQzIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAppbmRleCBkNzdk MmVkLi44MDM3NjA5IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5o CisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKQEAgLTEzMTEsNiArMTMxMSwx NiBAQCBzdHJ1Y3QgaTkxNV9nZW1fbW0gewogCSAqLwogCWJvb2wgYnVzeTsKIAorCS8qKgorCSAq IFN0b2xlbiB3aWxsIGJlIGxvc3QgdXBvbiBoaWJlcm5hdGUgKGFzIHRoZSBtZW1vcnkgaXMgdW5w b3dlcmVkKS4KKwkgKiBBY3Jvc3MgcmVzdW1lLCB3ZSBleHBlY3Qgc3RvbGVuIHRvIGJlIGludGFj dCAtIGhvd2V2ZXIsIGl0IG1heQorCSAqIGFsc28gYmUgdXRpbGlsaXNlZCBieSB0aGlyZCBwYXJ0 aWVzIChlLmcuIEludGVsIFJhcGlkU3RhcnQKKwkgKiBUZWNobm9sb2d5KSBhbmQgaWYgc28gd2Ug aGF2ZSB0byBhc3N1bWUgdGhhdCBhbnkgZGF0YSBzdG9yZWQgaW4KKwkgKiBzdG9sZW4gYWNyb3Nz IHJlc3VtZSBpcyBsb3N0IGFuZCB3ZSBzZXQgdGhpcyBmbGFnIHRvIGluZGljYXRlIHRoYXQKKwkg KiB0aGUgc3RvbGVuIG1lbW9yeSBpcyB2b2xhdGlsZS4KKwkgKi8KKwlib29sIG5vbnZvbGF0aWxl X3N0b2xlbjsKKwogCS8qIHRoZSBpbmRpY2F0b3IgZm9yIGRpc3BhdGNoIHZpZGVvIGNvbW1hbmRz IG9uIHR3byBCU0QgcmluZ3MgKi8KIAl1bnNpZ25lZCBpbnQgYnNkX3JpbmdfZGlzcGF0Y2hfaW5k ZXg7CiAKQEAgLTM0MTgsNiArMzQyOCw3IEBAIGludGVsX29wcmVnaW9uX25vdGlmeV9hZGFwdGVy KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHBjaV9wb3dlcl90IHN0YXRlKQogI2VuZGlmCiAKIC8q IGludGVsX2FjcGkuYyAqLworYm9vbCBpbnRlbF9kZXRlY3RfYWNwaV9yc3Qodm9pZCk7CiAjaWZk ZWYgQ09ORklHX0FDUEkKIGV4dGVybiB2b2lkIGludGVsX3JlZ2lzdGVyX2RzbV9oYW5kbGVyKHZv aWQpOwogZXh0ZXJuIHZvaWQgaW50ZWxfdW5yZWdpc3Rlcl9kc21faGFuZGxlcih2b2lkKTsKZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbS5jCmluZGV4IDlkY2VmYjEuLmY3Yzk0MjAgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9nZW0uYwpAQCAtMzk2LDggKzM5NiwxNiBAQCBzdGF0aWMgc3RydWN0IGRybV9pOTE1X2dl bV9vYmplY3QgKgogaTkxNV9nZW1fYWxsb2Nfb2JqZWN0X3N0b2xlbihzdHJ1Y3QgZHJtX2Rldmlj ZSAqZGV2LCBzaXplX3Qgc2l6ZSkKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2Jq OworCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7 CiAJaW50IHJldDsKIAorCWlmICghZGV2X3ByaXYtPm1tLm5vbnZvbGF0aWxlX3N0b2xlbikgewor CQkvKiBTdG9sZW4gbWF5IGJlIG92ZXJ3cml0dGVuIGJ5IGV4dGVybmFsIHBhcnRpZXMKKwkJICog c28gdW5zdWl0YWJsZSBmb3IgcGVyc2lzdGVudCB1c2VyIGRhdGEuCisJCSAqLworCQlyZXR1cm4g RVJSX1BUUigtRU5PREVWKTsKKwl9CisKIAltdXRleF9sb2NrKCZkZXYtPnN0cnVjdF9tdXRleCk7 CiAJb2JqID0gaTkxNV9nZW1fb2JqZWN0X2NyZWF0ZV9zdG9sZW4oZGV2LCBzaXplKTsKIAlpZiAo SVNfRVJSKG9iaikpCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9z dG9sZW4uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3N0b2xlbi5jCmluZGV4IDMz NWExZWYuLjRmNDQ1MzEgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2Vt X3N0b2xlbi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3N0b2xlbi5jCkBA IC00ODIsNiArNDgyLDIwIEBAIGludCBpOTE1X2dlbV9pbml0X3N0b2xlbihzdHJ1Y3QgZHJtX2Rl dmljZSAqZGV2KQogCSAqLwogCWRybV9tbV9pbml0KCZkZXZfcHJpdi0+bW0uc3RvbGVuLCAwLCBk ZXZfcHJpdi0+Z3R0LnN0b2xlbl91c2FibGVfc2l6ZSk7CiAKKwkvKiBJZiB0aGUgc3RvbGVuIHJl Z2lvbiBjYW4gYmUgbW9kaWZpZWQgYmVoaW5kIG91ciBiYWNrcyB1cG9uIHN1c3BlbmQsCisJICog dGhlbiB3ZSBjYW5ub3QgdXNlIGl0IHRvIHN0b3JlIG5vbnZvbGF0aWxlIGNvbnRlbnRzIChpLmUg dXNlciBkYXRhKQorCSAqIGFzIGl0IHdpbGwgYmUgY29ycnVwdGVkIHVwb24gcmVzdW1lLgorCSAq LworCWRldl9wcml2LT5tbS5ub252b2xhdGlsZV9zdG9sZW4gPSB0cnVlOworI2lmZGVmIENPTkZJ R19TVVNQRU5ECisJaWYgKGludGVsX2RldGVjdF9hY3BpX3JzdCgpKSB7CisJCS8qIEJJT1NlcyB1 c2luZyBSYXBpZFN0YXJ0IFRlY2hub2xvZ3kgaGF2ZSBiZWVuIHJlcG9ydGVkCisJCSAqIHRvIG92 ZXJ3cml0ZSBzdG9sZW4gYWNyb3NzIFMzLCBub3QganVzdCBTNC4KKwkJICovCisJCWRldl9wcml2 LT5tbS5ub252b2xhdGlsZV9zdG9sZW4gPSBmYWxzZTsKKwl9CisjZW5kaWYKKwogCXJldHVybiAw OwogfQogCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9hY3BpLmMgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9hY3BpLmMKaW5kZXggZWI2MzhhMS4uOGFkZDQ3ZCAx MDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYWNwaS5jCisrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2FjcGkuYwpAQCAtMjMsNiArMjMsMTEgQEAgc3RhdGljIGNv bnN0IHU4IGludGVsX2RzbV9ndWlkW10gPSB7CiAJMHgwZiwgMHgxMywgMHgxNywgMHhiMCwgMHgx YywgMHgyYwogfTsKIAorc3RhdGljIGNvbnN0IHN0cnVjdCBhY3BpX2RldmljZV9pZCBpcnN0X2lk c1tdID0geworCXsiSU5UMzM5MiIsIDB9LAorCXsiIiwgMH0KK307CisKIHN0YXRpYyBjaGFyICpp bnRlbF9kc21fcG9ydF9uYW1lKHU4IGlkKQogewogCXN3aXRjaCAoaWQpIHsKQEAgLTE2MiwzICsx NjcsOCBAQCB2b2lkIGludGVsX3JlZ2lzdGVyX2RzbV9oYW5kbGVyKHZvaWQpCiB2b2lkIGludGVs X3VucmVnaXN0ZXJfZHNtX2hhbmRsZXIodm9pZCkKIHsKIH0KKworYm9vbCBpbnRlbF9kZXRlY3Rf YWNwaV9yc3Qodm9pZCkKK3sKKwlyZXR1cm4gdHJ1ZTsKK30KLS0gCjEuOS4xCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=