From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [RFC 27/28] drm/i915: Compartmentalize ring buffer creation Date: Thu, 13 Jun 2019 16:19:03 +0100 Message-ID: <20190613151904.16256-4-tvrtko.ursulin@linux.intel.com> References: <20190613133539.12620-1-tvrtko.ursulin@linux.intel.com> <20190613151904.16256-1-tvrtko.ursulin@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9FA5D89B42 for ; Thu, 13 Jun 2019 15:19:13 +0000 (UTC) In-Reply-To: <20190613151904.16256-1-tvrtko.ursulin@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 RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCkNvbnRpbnVp bmcgb24gdGhlIHRoZW1lIG9mIGNvbXBhcnRtZW50YWxpemluZyB0aGUgY29kZSBiZXR0ZXIgdG8g bWFrZQpmdXR1cmUgc3BsaXQgYmV0d2VlbiBndCBhbmQgZGlzcGxheSBpbiBnbG9iYWwgaTkxNSBj bGVhcmVyLgoKU2lnbmVkLW9mZi1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGlu dGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9yaW5nYnVmZmVyLmMg fCAxNyArKysrKysrKystLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwg OCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRl bF9yaW5nYnVmZmVyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9yaW5nYnVmZmVy LmMKaW5kZXggYjNiZjQ3ZTgxNjJmLi4wYTFkOTUyYWQxNjAgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2d0L2ludGVsX3JpbmdidWZmZXIuYworKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9ndC9pbnRlbF9yaW5nYnVmZmVyLmMKQEAgLTEyMjYsMTYgKzEyMjYsMTYgQEAgdm9pZCBp bnRlbF9yaW5nX3VucGluKHN0cnVjdCBpbnRlbF9yaW5nICpyaW5nKQogCWk5MTVfdGltZWxpbmVf dW5waW4ocmluZy0+dGltZWxpbmUpOwogfQogCi1zdGF0aWMgc3RydWN0IGk5MTVfdm1hICoKLWlu dGVsX3JpbmdfY3JlYXRlX3ZtYShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsIGlu dCBzaXplKQorc3RhdGljIHN0cnVjdCBpOTE1X3ZtYSAqY3JlYXRlX3Jpbmdfdm1hKHN0cnVjdCBp bnRlbF9ndCAqZ3QsIGludCBzaXplKQogewotCXN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2UgKnZt ID0gJmRldl9wcml2LT5nZ3R0LnZtOworCXN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2UgKnZtID0g Jmd0LT5nZ3R0LT52bTsKKwlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSA9IGd0LT5pOTE1 OwogCXN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmo7CiAJc3RydWN0IGk5MTVfdm1hICp2 bWE7CiAKLQlvYmogPSBpOTE1X2dlbV9vYmplY3RfY3JlYXRlX3N0b2xlbihkZXZfcHJpdiwgc2l6 ZSk7CisJb2JqID0gaTkxNV9nZW1fb2JqZWN0X2NyZWF0ZV9zdG9sZW4oaTkxNSwgc2l6ZSk7CiAJ aWYgKCFvYmopCi0JCW9iaiA9IGk5MTVfZ2VtX29iamVjdF9jcmVhdGVfaW50ZXJuYWwoZGV2X3By aXYsIHNpemUpOworCQlvYmogPSBpOTE1X2dlbV9vYmplY3RfY3JlYXRlX2ludGVybmFsKGk5MTUs IHNpemUpOwogCWlmIChJU19FUlIob2JqKSkKIAkJcmV0dXJuIEVSUl9DQVNUKG9iaik7CiAKQEAg LTEyNjIsMTMgKzEyNjIsMTQgQEAgaW50ZWxfZW5naW5lX2NyZWF0ZV9yaW5nKHN0cnVjdCBpbnRl bF9lbmdpbmVfY3MgKmVuZ2luZSwKIAkJCSBzdHJ1Y3QgaTkxNV90aW1lbGluZSAqdGltZWxpbmUs CiAJCQkgaW50IHNpemUpCiB7CisJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSBlbmdp bmUtPmk5MTU7CiAJc3RydWN0IGludGVsX3JpbmcgKnJpbmc7CiAJc3RydWN0IGk5MTVfdm1hICp2 bWE7CiAKIAlHRU1fQlVHX09OKCFpc19wb3dlcl9vZl8yKHNpemUpKTsKIAlHRU1fQlVHX09OKFJJ TkdfQ1RMX1NJWkUoc2l6ZSkgJiB+UklOR19OUl9QQUdFUyk7CiAJR0VNX0JVR19PTih0aW1lbGlu ZSA9PSAmZW5naW5lLT50aW1lbGluZSk7Ci0JbG9ja2RlcF9hc3NlcnRfaGVsZCgmZW5naW5lLT5p OTE1LT5kcm0uc3RydWN0X211dGV4KTsKKwlsb2NrZGVwX2Fzc2VydF9oZWxkKCZpOTE1LT5kcm0u c3RydWN0X211dGV4KTsKIAogCXJpbmcgPSBremFsbG9jKHNpemVvZigqcmluZyksIEdGUF9LRVJO RUwpOwogCWlmICghcmluZykKQEAgLTEyODQsMTIgKzEyODUsMTIgQEAgaW50ZWxfZW5naW5lX2Ny ZWF0ZV9yaW5nKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSwKIAkgKiBvZiB0aGUgYnVm ZmVyLgogCSAqLwogCXJpbmctPmVmZmVjdGl2ZV9zaXplID0gc2l6ZTsKLQlpZiAoSVNfSTgzMChl bmdpbmUtPmk5MTUpIHx8IElTX0k4NDVHKGVuZ2luZS0+aTkxNSkpCisJaWYgKElTX0k4MzAoaTkx NSkgfHwgSVNfSTg0NUcoaTkxNSkpCiAJCXJpbmctPmVmZmVjdGl2ZV9zaXplIC09IDIgKiBDQUNI RUxJTkVfQllURVM7CiAKIAlpbnRlbF9yaW5nX3VwZGF0ZV9zcGFjZShyaW5nKTsKIAotCXZtYSA9 IGludGVsX3JpbmdfY3JlYXRlX3ZtYShlbmdpbmUtPmk5MTUsIHNpemUpOworCXZtYSA9IGNyZWF0 ZV9yaW5nX3ZtYShlbmdpbmUtPmd0LCBzaXplKTsKIAlpZiAoSVNfRVJSKHZtYSkpIHsKIAkJa2Zy ZWUocmluZyk7CiAJCXJldHVybiBFUlJfQ0FTVCh2bWEpOwotLSAKMi4yMC4xCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=