From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrzej Hajda Subject: [PATCH 2/2] drm/exynos: mixer: avoid Oops in vp_video_buffer() Date: Fri, 02 Feb 2018 16:11:23 +0100 Message-ID: <20180202151123.31082-3-a.hajda@samsung.com> References: <20180202151123.31082-1-a.hajda@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-reply-to: <20180202151123.31082-1-a.hajda@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Inki Dae , Tobias Jakobi Cc: linux-samsung-soc@vger.kernel.org, Marek Szyprowski , dri-devel@lists.freedesktop.org, Bartlomiej Zolnierkiewicz List-Id: linux-samsung-soc@vger.kernel.org RnJvbTogVG9iaWFzIEpha29iaSA8dGpha29iaUBtYXRoLnVuaS1iaWVsZWZlbGQuZGU+CgpJZiBh biBpbnRlcmxhY2VkIHZpZGVvIG1vZGUgaXMgc2VsZWN0ZWQsIGEgSU9NTVUgcGFnZWZhdWx0IGlz CnRyaWdnZXJlZCBieSB2cF92aWRlb19idWZmZXIoKS4KCkZpeCB0aGUgbW9zdCBhcHBhcmVudCBi dWdzOgotIHBpdGNoIHZhbHVlIGZvciBjaHJvbWEgcGxhbmUKLSBkaXZpZGUgYnkgdHdvIG9mIGhl aWdodCBhbmQgdnBvcyBvZiBzb3VyY2UgYW5kIGRlc3RpbmF0aW9uCgpTaWduZWQtb2ZmLWJ5OiBU b2JpYXMgSmFrb2JpIDx0amFrb2JpQG1hdGgudW5pLWJpZWxlZmVsZC5kZT4KWyBhLmhhamRhOiBI YWx2ZWQgYWxzbyBkZXN0aW5hdGlvbiBoZWlnaHQgYW5kIHZwb3MsIHVwZGF0ZWQgY29tbWl0IG1l c3NhZ2UgXQpTaWduZWQtb2ZmLWJ5OiBBbmRyemVqIEhhamRhIDxhLmhhamRhQHNhbXN1bmcuY29t PgotLS0KIGRyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX21peGVyLmMgfCAxMiArKysrKysr LS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfbWl4ZXIuYyBiL2RyaXZl cnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX21peGVyLmMKaW5kZXggZmY3ZDA4OGM5MjJhLi42NmI3 Y2MyMTI4ZTcgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX21peGVy LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfbWl4ZXIuYwpAQCAtNDg1LDcg KzQ4NSw3IEBAIHN0YXRpYyB2b2lkIHZwX3ZpZGVvX2J1ZmZlcihzdHJ1Y3QgbWl4ZXJfY29udGV4 dCAqY3R4LAogCQkJY2hyb21hX2FkZHJbMV0gPSBjaHJvbWFfYWRkclswXSArIDB4NDA7CiAJCX0g ZWxzZSB7CiAJCQlsdW1hX2FkZHJbMV0gPSBsdW1hX2FkZHJbMF0gKyBmYi0+cGl0Y2hlc1swXTsK LQkJCWNocm9tYV9hZGRyWzFdID0gY2hyb21hX2FkZHJbMF0gKyBmYi0+cGl0Y2hlc1swXTsKKwkJ CWNocm9tYV9hZGRyWzFdID0gY2hyb21hX2FkZHJbMF0gKyBmYi0+cGl0Y2hlc1sxXTsKIAkJfQog CX0gZWxzZSB7CiAJCWx1bWFfYWRkclsxXSA9IDA7CkBAIC01MDgsMjEgKzUwOCwyMyBAQCBzdGF0 aWMgdm9pZCB2cF92aWRlb19idWZmZXIoc3RydWN0IG1peGVyX2NvbnRleHQgKmN0eCwKIAl2cF9y ZWdfd3JpdGUoY3R4LCBWUF9JTUdfU0laRV9ZLCBWUF9JTUdfSFNJWkUoZmItPnBpdGNoZXNbMF0p IHwKIAkJVlBfSU1HX1ZTSVpFKGZiLT5oZWlnaHQpKTsKIAkvKiBjaHJvbWEgcGxhbmUgZm9yIE5W MTIvTlYyMSBpcyBoYWxmIHRoZSBoZWlnaHQgb2YgdGhlIGx1bWEgcGxhbmUgKi8KLQl2cF9yZWdf d3JpdGUoY3R4LCBWUF9JTUdfU0laRV9DLCBWUF9JTUdfSFNJWkUoZmItPnBpdGNoZXNbMF0pIHwK Kwl2cF9yZWdfd3JpdGUoY3R4LCBWUF9JTUdfU0laRV9DLCBWUF9JTUdfSFNJWkUoZmItPnBpdGNo ZXNbMV0pIHwKIAkJVlBfSU1HX1ZTSVpFKGZiLT5oZWlnaHQgLyAyKSk7CiAKIAl2cF9yZWdfd3Jp dGUoY3R4LCBWUF9TUkNfV0lEVEgsIHN0YXRlLT5zcmMudyk7Ci0JdnBfcmVnX3dyaXRlKGN0eCwg VlBfU1JDX0hFSUdIVCwgc3RhdGUtPnNyYy5oKTsKIAl2cF9yZWdfd3JpdGUoY3R4LCBWUF9TUkNf SF9QT1NJVElPTiwKIAkJCVZQX1NSQ19IX1BPU0lUSU9OX1ZBTChzdGF0ZS0+c3JjLngpKTsKLQl2 cF9yZWdfd3JpdGUoY3R4LCBWUF9TUkNfVl9QT1NJVElPTiwgc3RhdGUtPnNyYy55KTsKLQogCXZw X3JlZ193cml0ZShjdHgsIFZQX0RTVF9XSURUSCwgc3RhdGUtPmNydGMudyk7CiAJdnBfcmVnX3dy aXRlKGN0eCwgVlBfRFNUX0hfUE9TSVRJT04sIHN0YXRlLT5jcnRjLngpOworCiAJaWYgKHRlc3Rf Yml0KE1YUl9CSVRfSU5URVJMQUNFLCAmY3R4LT5mbGFncykpIHsKKwkJdnBfcmVnX3dyaXRlKGN0 eCwgVlBfU1JDX0hFSUdIVCwgc3RhdGUtPnNyYy5oIC8gMik7CisJCXZwX3JlZ193cml0ZShjdHgs IFZQX1NSQ19WX1BPU0lUSU9OLCBzdGF0ZS0+c3JjLnkgLyAyKTsKIAkJdnBfcmVnX3dyaXRlKGN0 eCwgVlBfRFNUX0hFSUdIVCwgc3RhdGUtPmNydGMuaCAvIDIpOwogCQl2cF9yZWdfd3JpdGUoY3R4 LCBWUF9EU1RfVl9QT1NJVElPTiwgc3RhdGUtPmNydGMueSAvIDIpOwogCX0gZWxzZSB7CisJCXZw X3JlZ193cml0ZShjdHgsIFZQX1NSQ19IRUlHSFQsIHN0YXRlLT5zcmMuaCk7CisJCXZwX3JlZ193 cml0ZShjdHgsIFZQX1NSQ19WX1BPU0lUSU9OLCBzdGF0ZS0+c3JjLnkpOwogCQl2cF9yZWdfd3Jp dGUoY3R4LCBWUF9EU1RfSEVJR0hULCBzdGF0ZS0+Y3J0Yy5oKTsKIAkJdnBfcmVnX3dyaXRlKGN0 eCwgVlBfRFNUX1ZfUE9TSVRJT04sIHN0YXRlLT5jcnRjLnkpOwogCX0KLS0gCjIuMTYuMQoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1h aWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==