diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/os_types.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/os_types.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h index ffb44388f2c6..c34eba19860a 100644 --- a/drivers/gpu/drm/amd/display/dc/os_types.h +++ b/drivers/gpu/drm/amd/display/dc/os_types.h @@ -51,9 +51,38 @@ #define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__) #if defined(CONFIG_DRM_AMD_DC_DCN) +#if defined(CONFIG_X86) #include <asm/fpu/api.h> #define DC_FP_START() kernel_fpu_begin() #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 #endif /* |