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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5047AC433E0 for ; Fri, 22 May 2020 17:22:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2298C20723 for ; Fri, 22 May 2020 17:22:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590168168; bh=+UXZQwfEnFZd4EW9Ome4HVj9Xjqma2zwTir5fmlya1w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=FkYQsZlerGme6KZ8WFYeUiXjE1R3c0t9r5UeyAC9t8Lgaq3Pezjh7PVE9CVXsK6Wg qgEx5hfryBOIeFGgVHMVh7qPfJ2+IRVQIPxm2/vdSlk+TqBDVoGYCD2SHxC1SntN5G 189iZYoyqWmnnw8tC/+1V2GpKMpH3j2yVbBuEqO0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730715AbgEVRWr (ORCPT ); Fri, 22 May 2020 13:22:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:43364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730471AbgEVRWq (ORCPT ); Fri, 22 May 2020 13:22:46 -0400 Received: from embeddedor (unknown [189.207.59.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C958D206C3; Fri, 22 May 2020 17:22:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590168166; bh=+UXZQwfEnFZd4EW9Ome4HVj9Xjqma2zwTir5fmlya1w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E0fxmFlzEjIQFqm/XLuLZvBvgmZZ4P/r2dua4DmOBSPbSD//Lr5grBTuGCOLt0oy7 Yxq1H2WPFmVsh040JvskRu3TzA0OKNNkNDgdvYN0UKf+aZAMe4Yw0pSMn069BVHpZK Cz80vznWgKwkFQY+psno6S4FND+imLrvVZh03MI4= Date: Fri, 22 May 2020 12:27:36 -0500 From: "Gustavo A. R. Silva" To: Christian =?iso-8859-1?Q?K=F6nig?= Cc: Alex Deucher , David Airlie , Daniel Vetter , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: Re: [PATCH] drm/radeon/dpm: Replace one-element array and use struct_size() helper Message-ID: <20200522172736.GE29907@embeddedor> References: <20200522012547.GA6783@embeddedor> <753faa45-247c-536c-d85a-5c1385ed0049@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <753faa45-247c-536c-d85a-5c1385ed0049@amd.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 22, 2020 at 09:00:09AM +0200, Christian König wrote: > > +++ b/drivers/gpu/drm/radeon/ni_dpm.c > > @@ -2685,11 +2685,12 @@ static int ni_upload_sw_state(struct radeon_device *rdev, > > struct rv7xx_power_info *pi = rv770_get_pi(rdev); > > u16 address = pi->state_table_start + > > offsetof(NISLANDS_SMC_STATETABLE, driverState); > > - u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) + > > - ((NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1) * sizeof(NISLANDS_SMC_HW_PERFORMANCE_LEVEL)); > > + NISLANDS_SMC_SWSTATE *smc_state; > > + u16 state_size = struct_size(smc_state, levels, > > + NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE); > > Probably better to use size_t instead of u16 here. With that fixed feel free > to stick my rb on the patch. > Sure thing. I'll send v2, shortly. Thanks, Christian. -- Gustavo