Am 21.07.21 um 06:48 schrieb Anson Jacob:
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.Jacob@xxxxxxx>
CC: Christoph Hellwig <hch@xxxxxxxxxxxxx>
CC: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
CC: Harry Wentland <harry.wentland@xxxxxxx>
CC: Christian König <christian.koenig@xxxxxxx>
Looks good in general, but question is what about other architectures
like ARM?
Regards,
Christian.
---
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
/*
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