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Message-ID: <eeffaec3-df63-4e55-ab7a-064a65c00efa@roeck-us.net>
Date: Thu, 23 May 2024 21:50:40 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Samuel Holland <samuel.holland@...ive.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
Christoph Hellwig <hch@....de>, loongarch@...ts.linux.dev,
amd-gfx@...ts.freedesktop.org,
Alex Deucher <alexander.deucher@....com>
Subject: Re: [PATCH v4 13/15] drm/amd/display: Use ARCH_HAS_KERNEL_FPU_SUPPORT
Hi,
On Fri, Mar 29, 2024 at 12:18:28AM -0700, Samuel Holland wrote:
> Now that all previously-supported architectures select
> ARCH_HAS_KERNEL_FPU_SUPPORT, this code can depend on that symbol instead
> of the existing list of architectures. It can also take advantage of the
> common kernel-mode FPU API and method of adjusting CFLAGS.
>
> Acked-by: Alex Deucher <alexander.deucher@....com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
With this patch in the mainline kernel, I get the following build error
when trying to build powerpc:ppc32_allmodconfig.
powerpc64-linux-ld: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o uses hard float, drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.o uses soft float
powerpc64-linux-ld: failed to merge target specific data of file drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o
[ repeated many times ]
The problem is no longer seen after reverting this patch.
Guenter
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