Use kernel_fpu_begin & kernel_fpu_end for PPC

Depends on "ppc/fpu: Add generic FPU api similar to x86"

v2:
- Got rid of macro switch for PPC as header file with same
  name as x86 is added by previous patch in the series

Signed-off-by: Anson Jacob <anson.ja...@amd.com>
CC: Christoph Hellwig <h...@infradead.org>
CC: Rodrigo Siqueira <rodrigo.sique...@amd.com>
CC: Harry Wentland <harry.wentl...@amd.com>
CC: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/os_types.h | 29 -----------------------
 1 file changed, 29 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..47ef434f93d8 100644
--- a/drivers/gpu/drm/amd/display/dc/os_types.h
+++ b/drivers/gpu/drm/amd/display/dc/os_types.h
@@ -51,38 +51,9 @@
 #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
 
 /*
-- 
2.25.1

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