From nobody Wed Feb 11 02:33:17 2026 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DDF2614B959 for ; Mon, 6 Jan 2025 09:03:15 +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=1736154198; cv=none; b=JawMadiBYZCj9Z5oiJlvbgRbBs3T/Oz+7Ul9wnyFprSPAdcOG3O/R7eVIcxnSPGYS/vu/eCQuJcOqO693WnfSAFKDpxQ/i9CM1sMYJhGI1+Y5UiaJW/b7y1b6NPRMdTqCLxX0TVtIOCw0fiYUZU3PVb6ows6lHcPYoe6TPWx/bc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736154198; c=relaxed/simple; bh=uOvE5uvtUrPimmZjDM5zKfZP1LQpoTUdCebdlKOKMik=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NDbq4j3DjXonMPhulfAvseEljx+mbRxCywkrqXPRJiwV7I89lzSOsNZ9e0cPKknRw4n0fCHaCXEMeS4X79lf/gXJuW5+b0MBS9I4c0MIGSkr1vb53D3A1axIg/CdanXfOhxk+cbTVRuF1eYAtqt9+KIDfEm0sKgFevcf4yQu4FA= 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 _____8DxQK9PnHtnFo9eAA--.30699S3; Mon, 06 Jan 2025 17:03:11 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowMAx7+VNnHtnkUkWAA--.31560S2; Mon, 06 Jan 2025 17:03:10 +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 v2 3/5] drm/amd/display: Add ASSERT_BUG() macro definition Date: Mon, 6 Jan 2025 17:03:06 +0800 Message-ID: <20250106090306.5579-1-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20250106085755.3268-1-yangtiezhu@loongson.cn> References: <20250106085755.3268-1-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: qMiowMAx7+VNnHtnkUkWAA--.31560S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7XrWfuw4UZrykZr1UWw4UGFX_yoWfXrb_KF 48XrySqw1jyF1vgFy0yrWfuFyI9w4rur48WrW8t3sIv343Ww4DX3y0kr18Wr1fCF12yFZ0 v34jg3WrA3ZrGosvyTuYvTs0mTUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbSAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WxJVW8Jr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUAVWUtwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWU tVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY 6r1j6r4UMxCIbckI1I0E14v26r126r1DMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7 xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xII jxv20xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04 k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7Cj xVAFwI0_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 42f3712aef9e..13efefb24899 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