From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 2/2] drm/tegra: dc: Don't clean up unused display controller Date: Wed, 28 Nov 2018 17:44:03 +0100 Message-ID: <20181128164403.27648-2-thierry.reding@gmail.com> References: <20181128164403.27648-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20181128164403.27648-1-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: linux-tegra@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCkRpc3BsYXkgY29udHJv bGxlcnMgdGhhdCBkb24ndCBvd24gYW55IHdpbmRvd3MgYW5kIHdoaWNoIHRoZXJlZm9yZQphcmVu J3QgY3VycmVudGx5IGJlaW5nIGFzc2lnbmVkIGEgcHJpbWFyeSBwbGFuZSBhcmUgbm90IHJlZ2lz dGVyZWQKYXMgYSBDUlRDIHdpdGggdGhlIERSTSBmcmFtZXdvcmsuIFRoZXkgcmVxdWVzdCBuZWl0 aGVyIGEgc3luY3BvaW50Cm5vciBhbiBpbnRlcnJ1cHQgYmVjYXVzZSB0aGV5IGRvbid0IHVzZSB0 aGVtLCBzbyBhdm9pZCBjbGVhbmluZyB1cAp0aG9zZSByZXNvdXJjZXMuCgpTaWduZWQtb2ZmLWJ5 OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2Ry bS90ZWdyYS9kYy5jIHwgMzggKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0K IDEgZmlsZSBjaGFuZ2VkLCAyMiBpbnNlcnRpb25zKCspLCAxNiBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdGVncmEvZGMuYyBiL2RyaXZlcnMvZ3B1L2RybS90ZWdy YS9kYy5jCmluZGV4IGY4MGU4MmUxNjQ3NS4uNjA3YTZlYTE3ZWNjIDEwMDY0NAotLS0gYS9kcml2 ZXJzL2dwdS9kcm0vdGVncmEvZGMuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vdGVncmEvZGMuYwpA QCAtMTk3OCw2ICsxOTc4LDIzIEBAIHN0YXRpYyBpcnFyZXR1cm5fdCB0ZWdyYV9kY19pcnEoaW50 IGlycSwgdm9pZCAqZGF0YSkKIAlyZXR1cm4gSVJRX0hBTkRMRUQ7CiB9CiAKK3N0YXRpYyBib29s IHRlZ3JhX2RjX2hhc193aW5kb3dfZ3JvdXBzKHN0cnVjdCB0ZWdyYV9kYyAqZGMpCit7CisJdW5z aWduZWQgaW50IGk7CisKKwlpZiAoIWRjLT5zb2MtPndncnBzKQorCQlyZXR1cm4gdHJ1ZTsKKwor CWZvciAoaSA9IDA7IGkgPCBkYy0+c29jLT5udW1fd2dycHM7IGkrKykgeworCQljb25zdCBzdHJ1 Y3QgdGVncmFfd2luZG93Z3JvdXBfc29jICp3Z3JwID0gJmRjLT5zb2MtPndncnBzW2ldOworCisJ CWlmICh3Z3JwLT5kYyA9PSBkYy0+cGlwZSAmJiB3Z3JwLT5udW1fd2luZG93cyA+IDApCisJCQly ZXR1cm4gdHJ1ZTsKKwl9CisKKwlyZXR1cm4gZmFsc2U7Cit9CisKIHN0YXRpYyBpbnQgdGVncmFf ZGNfaW5pdChzdHJ1Y3QgaG9zdDF4X2NsaWVudCAqY2xpZW50KQogewogCXN0cnVjdCBkcm1fZGV2 aWNlICpkcm0gPSBkZXZfZ2V0X2RydmRhdGEoY2xpZW50LT5wYXJlbnQpOwpAQCAtMTk5MywyMiAr MjAxMCw4IEBAIHN0YXRpYyBpbnQgdGVncmFfZGNfaW5pdChzdHJ1Y3QgaG9zdDF4X2NsaWVudCAq Y2xpZW50KQogCSAqIGFzc2lnbiBhIHByaW1hcnkgcGxhbmUgdG8gdGhlbSwgd2hpY2ggaW4gdHVy biB3aWxsIGNhdXNlIEtNUyB0bwogCSAqIGNyYXNoLgogCSAqLwotCWlmIChkYy0+c29jLT53Z3Jw cykgewotCQlib29sIGhhc193Z3JwcyA9IGZhbHNlOwotCQl1bnNpZ25lZCBpbnQgaTsKLQotCQlm b3IgKGkgPSAwOyBpIDwgZGMtPnNvYy0+bnVtX3dncnBzOyBpKyspIHsKLQkJCWNvbnN0IHN0cnVj dCB0ZWdyYV93aW5kb3dncm91cF9zb2MgKndncnAgPSAmZGMtPnNvYy0+d2dycHNbaV07Ci0KLQkJ CWlmICh3Z3JwLT5kYyA9PSBkYy0+cGlwZSAmJiB3Z3JwLT5udW1fd2luZG93cyA+IDApIHsKLQkJ CQloYXNfd2dycHMgPSB0cnVlOwotCQkJCWJyZWFrOwotCQkJfQotCQl9Ci0KLQkJaWYgKCFoYXNf d2dycHMpCi0JCQlyZXR1cm4gMDsKLQl9CisJaWYgKCF0ZWdyYV9kY19oYXNfd2luZG93X2dyb3Vw cyhkYykpCisJCXJldHVybiAwOwogCiAJZGMtPnN5bmNwdCA9IGhvc3QxeF9zeW5jcHRfcmVxdWVz dChjbGllbnQsIGZsYWdzKTsKIAlpZiAoIWRjLT5zeW5jcHQpCkBAIC0yMDk0LDYgKzIwOTcsOSBA QCBzdGF0aWMgaW50IHRlZ3JhX2RjX2V4aXQoc3RydWN0IGhvc3QxeF9jbGllbnQgKmNsaWVudCkK IAlzdHJ1Y3QgdGVncmFfZGMgKmRjID0gaG9zdDF4X2NsaWVudF90b19kYyhjbGllbnQpOwogCWlu dCBlcnI7CiAKKwlpZiAoIXRlZ3JhX2RjX2hhc193aW5kb3dfZ3JvdXBzKGRjKSkKKwkJcmV0dXJu IDA7CisKIAlkZXZtX2ZyZWVfaXJxKGRjLT5kZXYsIGRjLT5pcnEsIGRjKTsKIAogCWVyciA9IHRl Z3JhX2RjX3JnYl9leGl0KGRjKTsKLS0gCjIuMTkuMQoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVsCg==