From nobody Wed Dec 17 06:35:26 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E20AB1FBBFB for ; Tue, 14 Jan 2025 06:16:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736835363; cv=none; b=J1NzI6uDpNjNRFyGE+KAJPTK5meP1bwNnyn03NhLBNg9rPLajBUfrs/DHje1QwbYm4A7v8JBWzB/ripLBBijmX6ZBb2ZEj6A2aVhYL98xzXLLtb02ew9PYpKfGExM7J8gLfkOERolkcpm0eYPZ6qMUREGeVntV0eTd2NDHkuODI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736835363; c=relaxed/simple; bh=gRdIikXkws3NcsOOjaJ+qxWDPogEqKlfHU10wc9QMn4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aOGfvFnvAUNrpwuTimxzDjC34Mg9p2jU3HfsXA3j4sA5dRKOYDHoRyMQV7Yhp7U/+bFoWuYvecOfXzH6xy2w72yExYQ7FvfvvybXtyW14OIl+v/joZSKm3Of4Tnnmaw0rTrbLrT07W6jgebi5QTxdatQn1xG0ZDoxZrN4tgFoJw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [113.200.148.30]) by gateway (Coremail) with SMTP id _____8Dxfa8fAYZn7gpjAA--.39133S3; Tue, 14 Jan 2025 14:15:59 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowMAxQMYeAYZnzKEhAA--.479S2; Tue, 14 Jan 2025 14:15:58 +0800 (CST) From: Tiezhu Yang To: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xinhui Pan , Harry Wentland , Leo Li , Rodrigo Siqueira Cc: Nathan Chancellor , Josh Poimboeuf , Peter Zijlstra , loongarch@lists.linux.dev, amd-gfx@lists.freedesktop.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] drm/amd/display: Add ASSERT_BUG() macro definition Date: Tue, 14 Jan 2025 14:15:57 +0800 Message-ID: <20250114061557.31120-1-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20250114061507.30765-1-yangtiezhu@loongson.cn> References: <20250114061507.30765-1-yangtiezhu@loongson.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMAxQMYeAYZnzKEhAA--.479S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7XrWfuw4UZrykZr1UWw4UGFX_yoWfXrb_Kr 48XrySgw12yF1vgFy0yrWfuFyI9w48ur4kWrW0q3sIv343uw4DX340kr48Wr1fCF12yFZ0 v3yqg3W5A3ZrGosvyTuYvTs0mTUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbfxYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0 oVCq3wAaw2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa02 0Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_Wryl Yx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrw CY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8 JwCFI7km07C267AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14 v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY 67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2 IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jr9NsUUUUU= Content-Type: text/plain; charset="utf-8" In order to keep the current ability for the aim of debugging and avoid printing the warning message twice, add ASSERT_BUG() macro definition to harden the callers of division functions. Signed-off-by: Tiezhu Yang --- drivers/gpu/drm/amd/display/dc/os_types.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/am= d/display/dc/os_types.h index f2ba76c1e0c0..932bbe05ee0a 100644 --- a/drivers/gpu/drm/amd/display/dc/os_types.h +++ b/drivers/gpu/drm/amd/display/dc/os_types.h @@ -79,6 +79,11 @@ dc_breakpoint(); \ } while (0) =20 +#define ASSERT_BUG(expr) do { \ + dc_breakpoint(); \ + BUG_ON(!(expr)); \ + } while (0) + #define BREAK_TO_DEBUGGER() \ do { \ DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \ --=20 2.42.0