From patchwork Thu Jan 12 03:05:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 13097421 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96BDEC46467 for ; Thu, 12 Jan 2023 03:05:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234552AbjALDFu (ORCPT ); Wed, 11 Jan 2023 22:05:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236019AbjALDFq (ORCPT ); Wed, 11 Jan 2023 22:05:46 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6567048817 for ; Wed, 11 Jan 2023 19:05:46 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 19555B81DB6 for ; Thu, 12 Jan 2023 03:05:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C101C433AF; Thu, 12 Jan 2023 03:05:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673492743; bh=J83wF7k7E0HU61W5ENYtGO7bGrsUpcp8KJIdVMaGB7s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Mb9PnUo8YVEMyxMGibvXcV9p1VYvPFlAE/83Y636eQxZC+SCt5tEuCTIW7OB/9Ony 477IRakir6QrRIe/6NPfw9tKzYDQ/J2Ps3CUGrOvXLfLTVVr1UDvbEfR9JkY37oEy4 BsWfUKoIa7s2hDIyt3jnQZhOA6Mo9ruwxMgh6asn/QjJBzfySz+6+nnwFS7s7oju2Y XCRF0Uq1i2YB9Sk8e3LhJR3V4niPvP9mIlY1sV6croT7Aptn8eHeq8FAzwoDjejyb7 mXjUJsj/CRpGat52WYTHfGLUG80AlrluZhnnBMT5w4TvB9Im3ZuOYq1YPoTCn7oLG1 XErKtEh3qpAsw== From: Nathan Chancellor Date: Wed, 11 Jan 2023 20:05:09 -0700 Subject: [PATCH v2 12/14] drm/amd/display: Do not add '-mhard-float' to dml_ccflags for clang MIME-Version: 1.0 Message-Id: <20221228-drop-qunused-arguments-v2-12-9adbddd20d86@kernel.org> References: <20221228-drop-qunused-arguments-v2-0-9adbddd20d86@kernel.org> In-Reply-To: <20221228-drop-qunused-arguments-v2-0-9adbddd20d86@kernel.org> To: masahiroy@kernel.org Cc: ndesaulniers@google.com, nicolas@fjasle.eu, trix@redhat.com, linux-kbuild@vger.kernel.org, llvm@lists.linux.dev, Nathan Chancellor , Alex Deucher , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org X-Mailer: b4 0.12-dev-78c63 X-Developer-Signature: v=1; a=openpgp-sha256; l=1279; i=nathan@kernel.org; h=from:subject:message-id; bh=J83wF7k7E0HU61W5ENYtGO7bGrsUpcp8KJIdVMaGB7s=; b=owGbwMvMwCEmm602sfCA1DTG02pJDMn7K/78jF1rcKBxUaNA1oNO7i/ZDNc+di+83b5J6vDJ1qXm B4UzO0pZGMQ4GGTFFFmqH6seNzScc5bxxqlJMHNYmUCGMHBxCsBEVrcyMpxnaur+LrQtxuOEF1/17C khDDETv8iem5qx/dREsxsB0W2MDP8dFRkZVp8OWaoVob7Jfb3OrJtK+XPsxYIVubk7n01V4wUA X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org When clang's -Qunused-arguments is dropped from KBUILD_CPPFLAGS, it warns: clang-16: error: argument unused during compilation: '-mhard-float' [-Werror,-Wunused-command-line-argument] Similar to commit 84edc2eff827 ("selftest/fpu: avoid clang warning"), just add this flag to GCC builds. Commit 0f0727d971f6 ("drm/amd/display: readd -msse2 to prevent Clang from emitting libcalls to undefined SW FP routines") added '-msse2' to prevent clang from emitting software floating point routines. Signed-off-by: Nathan Chancellor Acked-by: Alex Deucher --- Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org --- drivers/gpu/drm/amd/display/dc/dml/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile index 0ecea87cf48f..9d0f79dff2e3 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -26,7 +26,8 @@ # subcomponents. ifdef CONFIG_X86 -dml_ccflags := -mhard-float -msse +dml_ccflags-$(CONFIG_CC_IS_GCC) := -mhard-float +dml_ccflags := $(dml_ccflags-y) -msse endif ifdef CONFIG_PPC64