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 E6E2D1E521E; Mon, 23 Jun 2025 21:17:57 +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=1750713478; cv=none; b=UabPRuEAv4tT1lCk6Q3C82pvmBLd/T68gwEx8osuykkP4rVTJPBr39vJakzCllgSpkq1VcuFcbZCr+KyZ6wvZVAGiAr0VbaLav2zF7QNkiz7G8soE63y0N6AkGd+lHTIvQ9eaRJtPdxgzGMQQH7tZjRMsg0DT+h69z0PGD3YP5g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750713478; c=relaxed/simple; bh=LgP7cRZhjuavTIgAegKaZWqkDagbH9iBXQF1Tiv9mKI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CYCSyfrpTzCjHrbBiN0LMiVUnDEkt7AMH5tRCpTUyVTLXnqISrdDPBPdfo/xRC941s5bVemmq+X6+qXt7zpMJkE6o5C2StQQ7FRbTqtsNV7EDwf59Kif3nzxrAu34RbosL0WSdFbna8VP3FuCr7hr5dekUDLtl4IbpHXVXFg/4Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gft9OGag; 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="gft9OGag" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EFF4C4CEEA; Mon, 23 Jun 2025 21:17:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750713477; bh=LgP7cRZhjuavTIgAegKaZWqkDagbH9iBXQF1Tiv9mKI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gft9OGagMJx+PkNTBj9aIuCtToErejXSiGM4epSfSvr7lf5788WbtJXQFr8UI/VOu 7Ipiebe5R84HghC2zwo/EdtSvHkiLzDM76nGAIAhd2RLY5WN6h39durPqoKXxMnF3e YzWyBFtaitSIezDTCJArFB6ORVU/vPFz8qzKtzH0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nathan Chancellor Subject: [PATCH 5.10 150/355] drm/amd/display: Do not add -mhard-float to dcn2{1,0}_resource.o for clang Date: Mon, 23 Jun 2025 15:05:51 +0200 Message-ID: <20250623130631.216659861@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130626.716971725@linuxfoundation.org> References: <20250623130626.716971725@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nathan Chancellor This patch is for linux-5.15.y and earlier only. It is functionally equivalent to upstream commit 7db038d9790e ("drm/amd/display: Do not add '-mhard-float' to dml_ccflags for clang"), which was created after all files that require '-mhard-float' were moved under the dml folder. In kernels older than 5.18, which do not contain upstream commits 22f87d998326 ("drm/amd/display: move FPU operations from dcn21 to dml/dcn20 folder") cf689e869cf0 ("drm/amd/display: move FPU-related code from dcn20 to dml folder") newer versions of clang error with clang: error: unsupported option '-mhard-float' for target 'x86_64-linux-gnu' make[6]: *** [scripts/Makefile.build:289: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.o] Error 1 clang: error: unsupported option '-mhard-float' for target 'x86_64-linux-gnu' make[6]: *** [scripts/Makefile.build:289: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_resource.o] Error 1 Apply a functionally equivalent change to prevent adding '-mhard-float' with clang for these files. Signed-off-by: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dcn20/Makefile | 2 +- drivers/gpu/drm/amd/display/dc/dcn21/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/dcn20/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn20/Makefile @@ -10,7 +10,7 @@ DCN20 = dcn20_resource.o dcn20_init.o dc DCN20 += dcn20_dsc.o ifdef CONFIG_X86 -CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn20/dcn20_resource.o := $(if $(CONFIG_CC_IS_GCC), -mhard-float) -msse endif ifdef CONFIG_PPC64 --- a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile @@ -6,7 +6,7 @@ DCN21 = dcn21_init.o dcn21_hubp.o dcn21_ dcn21_hwseq.o dcn21_link_encoder.o ifdef CONFIG_X86 -CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn21/dcn21_resource.o := $(if $(CONFIG_CC_IS_GCC), -mhard-float) -msse endif ifdef CONFIG_PPC64