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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 32729CD11DD for ; Fri, 29 Mar 2024 12:51:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A6DE81126F5; Fri, 29 Mar 2024 12:51:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="iKDS5tOc"; dkim-atps=neutral Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2EE91126F1; Fri, 29 Mar 2024 12:51:19 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id D8C1CCE2E0D; Fri, 29 Mar 2024 12:51:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61388C43390; Fri, 29 Mar 2024 12:51:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711716677; bh=vWrJHpNpvv/pTjRBRuxyQkmES6YQhamOMA0mHriCXKE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iKDS5tOc4EPvFLBxavTNAdt+K+XHv5nFnOVeGXuuFOC4BqmG+VdL/6nW20TrHg0gN x8iOR2q5sCnioojchnkWyvlK+fAqfQJMnv2kDHzLr12+8sZOBda9C7c+QaIpw9A9Fp eOw9jBs08NVjoI+cyD9W/rEXVEqULUPMMWdkUpRtL+3px47FVt3rHXcHHPTe0Yhcxe e69Vh5hO788NrAH0mlnfmrB1n90ha80QLWQ0L+crMKZnQYuhJMom6+wlR3fwETzoaZ tXeN26gr7RfvvNFXYTMQRbPy5KJUiQIqJw1gW4FsqzIq5faD/+WC6bMq01vI9b6q1k SP18Klecuf2XA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Aric Cyr , Rodrigo Siqueira , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, dillon.varone@amd.com, aurabindo.pillai@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 08/19] drm/amd/display: Fix nanosec stat overflow Date: Fri, 29 Mar 2024 08:50:40 -0400 Message-ID: <20240329125100.3094358-8-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329125100.3094358-1-sashal@kernel.org> References: <20240329125100.3094358-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 4.19.311 Content-Transfer-Encoding: 8bit X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Aric Cyr [ Upstream commit 14d68acfd04b39f34eea7bea65dda652e6db5bf6 ] [Why] Nanosec stats can overflow on long running systems potentially causing statistic logging issues. [How] Use 64bit types for nanosec stats to ensure no overflow. Reviewed-by: Rodrigo Siqueira Tested-by: Daniel Wheeler Signed-off-by: Aric Cyr Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/modules/inc/mod_stats.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h index 3812094b52e8f..88b312c3eb43a 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h @@ -51,10 +51,10 @@ void mod_stats_update_event(struct mod_stats *mod_stats, unsigned int length); void mod_stats_update_flip(struct mod_stats *mod_stats, - unsigned long timestamp_in_ns); + unsigned long long timestamp_in_ns); void mod_stats_update_vupdate(struct mod_stats *mod_stats, - unsigned long timestamp_in_ns); + unsigned long long timestamp_in_ns); void mod_stats_update_freesync(struct mod_stats *mod_stats, unsigned int v_total_min, -- 2.43.0