[RFC 2/2] drm/amd/display: Use PPC FPU functions
From: Anson Jacob <hidden>
Date: 2021-07-19 22:56:30
Also in:
amd-gfx
Subsystem:
amd display core, drm drivers, radeon and amdgpu drm drivers, the rest · Maintainers:
Harry Wentland, Leo Li, David Airlie, Simona Vetter, Alex Deucher, Christian König, Linus Torvalds
Use kernel_fpu_begin & kernel_fpu_end for PPC Depends on "ppc/fpu: Add generic FPU api similar to x86" Signed-off-by: Anson Jacob <redacted> --- drivers/gpu/drm/amd/display/dc/os_types.h | 28 ++--------------------- 1 file changed, 2 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h
index 126c2f3a4dd3..999c5103357e 100644
--- a/drivers/gpu/drm/amd/display/dc/os_types.h
+++ b/drivers/gpu/drm/amd/display/dc/os_types.h@@ -57,32 +57,8 @@ #define DC_FP_END() kernel_fpu_end() #elif defined(CONFIG_PPC64) #include <asm/switch_to.h> -#include <asm/cputable.h> -#define DC_FP_START() { \ - if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ - preempt_disable(); \ - enable_kernel_vsx(); \ - } else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \ - preempt_disable(); \ - enable_kernel_altivec(); \ - } else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \ - preempt_disable(); \ - enable_kernel_fp(); \ - } \ -} -#define DC_FP_END() { \ - if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ - disable_kernel_vsx(); \ - preempt_enable(); \ - } else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \ - disable_kernel_altivec(); \ - preempt_enable(); \ - } else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \ - disable_kernel_fp(); \ - preempt_enable(); \ - } \ -} -#endif +#define DC_FP_START() kernel_fpu_begin() +#define DC_FP_END() kernel_fpu_end() #endif /*
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2.25.1