From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5ED242EAE5; Thu, 11 Apr 2024 10:05:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712829947; cv=none; b=i7fx2AVSLYZUzVbFfjVdkY76jm8m3Dvj9KZE2NyCvZtBAd23Or9e3CS9lahuaiNBAEdyN4YW7J8xmLh0Q24HTmXtm4w8c3o8b1rAJQmufUlXmKz9wx2sGteQpInIMk9wpkQaiBcvhCcjH2vpgEdT+rG1nClQdNBCrC1fyjj5TQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712829947; c=relaxed/simple; bh=0x3ikcQZG/rfdvy9QmUdo+MSyRdLrYU9WtR1KrrUbxM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QSKIuPkM1F+2A3SX94xHyY9xxIrGv10INRv/BLPYFrOJxtrM2tpgmc3DSS7s1BErPJ2QPEr139VieS8PTFDvKKVva+Hd1/iye7qo9PmJZ+ZB2c4RyhH0pLsN6p9WO/zfIbsEnUQpgcBA5QvkQud9rzobrQ7IL8yLmD5d60EasHg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=QzIo/dfu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="QzIo/dfu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D92CEC433C7; Thu, 11 Apr 2024 10:05:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712829947; bh=0x3ikcQZG/rfdvy9QmUdo+MSyRdLrYU9WtR1KrrUbxM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QzIo/dfuJ6a72B/1N3fBZ/eOxJ7AWaErCsf2Xrj61lhelnPXcu/kTua5yKtWyK2b9 UEkqDfjmpw2ADmskpr3LjhhhoHXun7j/RZuZT7upMvBDCxjvvejbVE8i/RR5q57KF8 gcnf9vgPLdoQxq0dq2bVFtwztdCvYjaKOhIsjlRI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rodrigo Siqueira , Daniel Wheeler , Aric Cyr , Alex Deucher , Sasha Levin Subject: [PATCH 4.19 158/175] drm/amd/display: Fix nanosec stat overflow Date: Thu, 11 Apr 2024 11:56:21 +0200 Message-ID: <20240411095424.322092984@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240411095419.532012976@linuxfoundation.org> References: <20240411095419.532012976@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ 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