From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EF8D2CA0FEC for ; Fri, 1 Sep 2023 17:46:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=iK9g6kKDCoyfYGvWxDn40ociEdc3Cna18TDbIpBY8Po=; b=kILmHSUvgnMWTI gsxbFXse/wnc3WzjCThGDI2UJtHQENB7LvBOKJyivV7/9LNE30AGHBriwQ3oyXlkQM/a6+tS3v9lM EnyGwtkCpI4sE/ebOrmfeJmCEi2kF7MKgGWdn8TETn5hfSco9ERCp10Hzdt0Ho+z4J0FaRoQIi0Z1 Zs3Fl4/5bEGJr+Bm4rsMK9tpZUPR86pTUIxbyEBg+pZugdiUUE6XeJZHXJcb83s9xiq89ewoAre3A u0YYPN0s+uEmJNxk24YagIqMA4RFekGGle3OoyevHLHV38oCYT8FKmpHoyTIeDkH3oJBpWcYG4hf+ mNqFrRyzk+DqZi7PCheQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qc8Dj-000FWj-0v; Fri, 01 Sep 2023 17:46:11 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qc8Df-000FVs-27; Fri, 01 Sep 2023 17:46:09 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id C25A5CE22C7; Fri, 1 Sep 2023 17:46:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E8E9C433C8; Fri, 1 Sep 2023 17:46:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1693590364; bh=z9MFcKUA2gr9p3j7guEmqBFsjLvJtfm5s1/pUyVg+9Y=; h=From:To:Cc:Subject:Date:From; b=k/5mo1IkqXCkSxQa+gyzgn6haj2cRQXCR4ZFizjIzBSukbJhsL/7CdHHWrtyP8Oj7 fNL/IkYS/90YeimQkiMbkRZ0wdeeUxL2upgGMOcANCUa69e74yXdMux554fF+ruGqL g/ck3fVYUVmRudEeBrQHKSDTSFZwHyTVX78/BGZnhzk8OKYzv8s9nN0SFFInwrJoFs PHE2nE11z3911CIRAE8+iM9ngoCsdK1NGz3CzRYYDNFSo/zw+ICiSU0BDxbjQRzXob Dh4+rszthPUp0fkr5aqSPa6Ad8CJyxansjQXNZPogGiNsZa14qFF5RgoiD5UiU0r4C PiHkSeqVQAAzg== From: Michael Walle To: =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= , Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno Cc: "Nancy . Lin" , Frank Wunderlich , Jitao Shi , Stu Hsieh , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Michael Walle Subject: [PATCH v3 1/2] drm/mediatek: fix kernel oops if no crtc is found Date: Fri, 1 Sep 2023 19:45:56 +0200 Message-Id: <20230901174557.3617839-1-mwalle@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230901_104607_872516_69AC9A64 X-CRM114-Status: GOOD ( 14.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org ZHJtX2NydGNfZnJvbV9pbmRleCgwKSBtaWdodCByZXR1cm4gTlVMTCBpZiB0aGVyZSBhcmUgbm8g Q1JUQ3MKcmVnaXN0ZXJlZCBhdCBhbGwgd2hpY2ggd2lsbCBsZWFkIHRvIGEga2VybmVsIG9vcHMg aW4KbXRrX2RybV9jcnRjX2RtYV9kZXZfZ2V0KCkuIEFkZCB0aGUgbWlzc2luZyByZXR1cm4gdmFs dWUgY2hlY2suCgpGaXhlczogMGQ5ZWVlOTExOGI3ICgiZHJtL21lZGlhdGVrOiBBZGQgZHJtIG92 bF9hZGFwdG9yIHN1YiBkcml2ZXIgZm9yIE1UODE5NSIpClNpZ25lZC1vZmYtYnk6IE1pY2hhZWwg V2FsbGUgPG13YWxsZUBrZXJuZWwub3JnPgpSZXZpZXdlZC1ieTogTsOtY29sYXMgRi4gUi4gQS4g UHJhZG8gPG5mcmFwcmFkb0Bjb2xsYWJvcmEuY29tPgpUZXN0ZWQtYnk6IE7DrWNvbGFzIEYuIFIu IEEuIFByYWRvIDxuZnJhcHJhZG9AY29sbGFib3JhLmNvbT4KLS0tCnYzOgogLSBub25lCnYyOgog LSBjb2xsZWN0ZWQgdGFncwogLSBmaXhlZCB0eXBvcwotLS0KIGRyaXZlcnMvZ3B1L2RybS9tZWRp YXRlay9tdGtfZHJtX2Rydi5jIHwgNSArKysrLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9u cygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRl ay9tdGtfZHJtX2Rydi5jIGIvZHJpdmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kcm1fZHJ2LmMK aW5kZXggOTM1NTJkNzZiNmU3Li4yYzU4MjQ5ODgxN2UgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9tZWRpYXRlay9tdGtfZHJtX2Rydi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9tZWRpYXRl ay9tdGtfZHJtX2Rydi5jCkBAIC00MjAsNiArNDIwLDcgQEAgc3RhdGljIGludCBtdGtfZHJtX2tt c19pbml0KHN0cnVjdCBkcm1fZGV2aWNlICpkcm0pCiAJc3RydWN0IG10a19kcm1fcHJpdmF0ZSAq cHJpdmF0ZSA9IGRybS0+ZGV2X3ByaXZhdGU7CiAJc3RydWN0IG10a19kcm1fcHJpdmF0ZSAqcHJp dl9uOwogCXN0cnVjdCBkZXZpY2UgKmRtYV9kZXYgPSBOVUxMOworCXN0cnVjdCBkcm1fY3J0YyAq Y3J0YzsKIAlpbnQgcmV0LCBpLCBqOwogCiAJaWYgKGRybV9maXJtd2FyZV9kcml2ZXJzX29ubHko KSkKQEAgLTQ5NCw3ICs0OTUsOSBAQCBzdGF0aWMgaW50IG10a19kcm1fa21zX2luaXQoc3RydWN0 IGRybV9kZXZpY2UgKmRybSkKIAl9CiAKIAkvKiBVc2UgT1ZMIGRldmljZSBmb3IgYWxsIERNQSBt ZW1vcnkgYWxsb2NhdGlvbnMgKi8KLQlkbWFfZGV2ID0gbXRrX2RybV9jcnRjX2RtYV9kZXZfZ2V0 KGRybV9jcnRjX2Zyb21faW5kZXgoZHJtLCAwKSk7CisJY3J0YyA9IGRybV9jcnRjX2Zyb21faW5k ZXgoZHJtLCAwKTsKKwlpZiAoY3J0YykKKwkJZG1hX2RldiA9IG10a19kcm1fY3J0Y19kbWFfZGV2 X2dldChjcnRjKTsKIAlpZiAoIWRtYV9kZXYpIHsKIAkJcmV0ID0gLUVOT0RFVjsKIAkJZGV2X2Vy cihkcm0tPmRldiwgIk5lZWQgYXQgbGVhc3Qgb25lIE9WTCBkZXZpY2VcbiIpOwotLSAKMi4zOS4y CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt YXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJt LWtlcm5lbAo=