diff options
| author | Samuel Holland <samuel.holland@sifive.com> | 2024-03-29 10:18:28 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-20 00:36:19 +0300 |
| commit | a28e4b672f042eb38d9b09f9d1fdf58c07052da4 (patch) | |
| tree | 586bf9ccc8f58b134a27d0b9fcb4b6a79b2ebfa1 /drivers/gpu/drm/amd/display/amdgpu_dm | |
| parent | 06a990b6e0f58ad8bf2f1b5ee17b7e6106b764f1 (diff) | |
| download | linux-a28e4b672f042eb38d9b09f9d1fdf58c07052da4.tar.xz | |
drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
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.
Link: https://lkml.kernel.org/r/20240329072441.591471-14-samuel.holland@sifive.com
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Xuerui <git@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c index 0de16796466b..e46f8ce41d87 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c @@ -26,16 +26,7 @@ #include "dc_trace.h" -#if defined(CONFIG_X86) -#include <asm/fpu/api.h> -#elif defined(CONFIG_PPC64) -#include <asm/switch_to.h> -#include <asm/cputable.h> -#elif defined(CONFIG_ARM64) -#include <asm/neon.h> -#elif defined(CONFIG_LOONGARCH) -#include <asm/fpu.h> -#endif +#include <linux/fpu.h> /** * DOC: DC FPU manipulation overview @@ -87,16 +78,9 @@ void dc_fpu_begin(const char *function_name, const int line) WARN_ON_ONCE(!in_task()); preempt_disable(); depth = __this_cpu_inc_return(fpu_recursion_depth); - if (depth == 1) { -#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) + BUG_ON(!kernel_fpu_available()); kernel_fpu_begin(); -#elif defined(CONFIG_PPC64) - if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) - enable_kernel_fp(); -#elif defined(CONFIG_ARM64) - kernel_neon_begin(); -#endif } TRACE_DCN_FPU(true, function_name, line, depth); @@ -118,14 +102,7 @@ void dc_fpu_end(const char *function_name, const int line) depth = __this_cpu_dec_return(fpu_recursion_depth); if (depth == 0) { -#if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) kernel_fpu_end(); -#elif defined(CONFIG_PPC64) - if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) - disable_kernel_fp(); -#elif defined(CONFIG_ARM64) - kernel_neon_end(); -#endif } else { WARN_ON_ONCE(depth < 0); } |