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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/os_types.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/os_types.h35
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h
index 30ec80ac6fc8..c34eba19860a 100644
--- a/drivers/gpu/drm/amd/display/dc/os_types.h
+++ b/drivers/gpu/drm/amd/display/dc/os_types.h
@@ -1,5 +1,6 @@
/*
* Copyright 2012-16 Advanced Micro Devices, Inc.
+ * Copyright 2019 Raptor Engineering, LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -29,6 +30,7 @@
#include <linux/kgdb.h>
#include <linux/kref.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
@@ -48,8 +50,39 @@
#define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__)
-#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#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
/*