From nobody Tue Dec 16 14:41:16 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 888BE232424 for ; Tue, 14 Jan 2025 13:29:59 +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=1736861401; cv=none; b=Dk7PGsgGJXnQTysRoyKlLM+6mwfURMcGZkGj+xdgLB03eWPCKNir+NI/8AlMYQZMP5OVJJWQjuxfZhh+n9f/SvPzhwl60C9D/jSySn2LzXPYDpVKXJ6EBvTN2vonpM3RGVhcapn9YekBRjbFahhLOKFdzHfZ4lih5yrErDlyhdI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736861401; c=relaxed/simple; bh=vLCXB58CNa1oeIMJ9EokZHYJfQlAlWK2eywdOl9hdrQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mHjjy/8Ltoea5jJlHzQvUUNlft/aF+bcEVQRV/tzZE3cqoL9znk3Cmka/otkH7C6Nd8nLFN8KBjIMr/ir4jQ9H2XM++J28iX32r0rs3VTFt/p4eM4I0Xqb2iu/bQBjFKeCUWpT+ZZTqXf8BpFrQrLdlPD2qwjShXz60scqEs0zw= 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 _____8Bx7eLVZoZnrzxjAA--.2193S3; Tue, 14 Jan 2025 21:29:57 +0800 (CST) Received: from linux.localdomain (unknown [113.200.148.30]) by front1 (Coremail) with SMTP id qMiowMBxTMXUZoZnwiUiAA--.3549S2; Tue, 14 Jan 2025 21:29:57 +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 v4 1/3] drm/amd/display: Add ASSERT_BUG() macro definition Date: Tue, 14 Jan 2025 21:29:56 +0800 Message-ID: <20250114132956.19945-1-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20250114132856.19463-1-yangtiezhu@loongson.cn> References: <20250114132856.19463-1-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: qMiowMBxTMXUZoZnwiUiAA--.3549S2 X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7XrWfuw4UZrykZr1UWw4UGFX_yoWfXwc_Kr 48ZrySgw12yF1vgFW0yr4fuFyI9w4ruF4kWr48t3sIv347uw4DX340kr48Wr1fuFy2yFZ0 v34jg3WrA3ZrGosvyTuYvTs0mTUanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbfxYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV 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 | 7 +++++++ 1 file changed, 7 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..f0f4e22b43cd 100644 --- a/drivers/gpu/drm/amd/display/dc/os_types.h +++ b/drivers/gpu/drm/amd/display/dc/os_types.h @@ -79,6 +79,13 @@ dc_breakpoint(); \ } while (0) =20 +#define ASSERT_BUG(expr) do { \ + if (!(expr)) { \ + dc_breakpoint(); \ + BUG(); \ + } \ + } while (0) + #define BREAK_TO_DEBUGGER() \ do { \ DRM_DEBUG_DRIVER("%s():%d\n", __func__, __LINE__); \ --=20 2.42.0