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[23.128.96.18]) by mx.google.com with ESMTP id b16si11318455ila.182.2021.09.15.04.36.54; Wed, 15 Sep 2021 04:37:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@canonical.com header.s=20210705 header.b=ogqCQSpn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232774AbhIOLhc (ORCPT + 99 others); Wed, 15 Sep 2021 07:37:32 -0400 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]:55788 "EHLO smtp-relay-canonical-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232526AbhIOLhc (ORCPT ); Wed, 15 Sep 2021 07:37:32 -0400 Received: from localhost (1.general.cking.uk.vpn [10.172.193.212]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 242C43F108; Wed, 15 Sep 2021 11:36:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1631705772; bh=V6LVzXE8Uk9yBBqq1mcc0plej4doxWMczd7CQVzrmXE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=ogqCQSpnBeuq6PVLoHl8FXEFw2TKAcude+jsq1cum948uGBZR38EDu04WIr3N+iuT dv6XfEkU9VK4Awi7aMeCsoz/0IxqhY/ruyB5QFhn3CeCxd9GbgM7vaP3oQ1j3JaSA9 HwvkVYuSbKx8bTzvRr7L7AdpjNQarzp3FvFRLsq+JY04Vt8Uv5PgiPN/TzJqK9d5ol LD/l50RpbwSc6hzAYzqV6xOsN4Ra31JZEIVsQmAm1AnjBzF4lU5OcDXNFoHNzp3M6q iVQEO1juz4Q3Dt5lqonuS0G/fV6QWQmJw2MxaMarVTUhTDhVHygisjInoQS/SQij/9 da7aiQFv+Ol+g== From: Colin King To: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xinhui.Pan@amd.com, David Airlie , Daniel Vetter , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/radeon: make array encoded_lanes static Date: Wed, 15 Sep 2021 12:36:11 +0100 Message-Id: <20210915113611.13620-1-colin.king@canonical.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Colin Ian King Don't populate the read-only array encoded_lanes on the stack but instead it static. Also makes the object code smaller by 97 bytes: Before: text data bss dec hex filename 38899 8064 0 46963 b773 ./drivers/gpu/drm/radeon/r600_dpm.o After: text data bss dec hex filename 38738 8128 0 46866 b712 ./drivers/gpu/drm/radeon/r600_dpm.o (gcc version 11.2.0) Signed-off-by: Colin Ian King --- drivers/gpu/drm/radeon/r600_dpm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index fd4226b99862..9d2bcb9551e6 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -1361,7 +1361,9 @@ u16 r600_get_pcie_lane_support(struct radeon_device *rdev, u8 r600_encode_pci_lane_width(u32 lanes) { - u8 encoded_lanes[] = { 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 }; + static const u8 encoded_lanes[] = { + 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 + }; if (lanes > 16) return 0; -- 2.32.0