diff options
| author | Michael Ellerman <[email protected]> | 2024-03-29 00:18:27 -0700 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2024-05-19 14:36:19 -0700 |
| commit | 06a990b6e0f58ad8bf2f1b5ee17b7e6106b764f1 (patch) | |
| tree | 4d9184ce661194cd2550bf3b77d712bf7ac71586 | |
| parent | 77acc6b55ae46f52bfa4eca52c9fe627f5c3ba3f (diff) | |
drm/amd/display: only use hard-float, not altivec on powerpc
The compiler flags enable altivec, but that is not required; hard-float is
sufficient for the code to build and function.
Drop altivec from the compiler flags and adjust the enable/disable code to
only enable FPU use.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Michael Ellerman <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Acked-by: Christian König <[email protected]>
Cc: Borislav Petkov (AMD) <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Huacai Chen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Nicolas Schier <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Russell King <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: WANG Xuerui <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/Makefile | 2 |
3 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c index 4ae4720535a5..0de16796466b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c @@ -92,11 +92,7 @@ void dc_fpu_begin(const char *function_name, const int line) #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) kernel_fpu_begin(); #elif defined(CONFIG_PPC64) - if (cpu_has_feature(CPU_FTR_VSX_COMP)) - enable_kernel_vsx(); - else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) - enable_kernel_altivec(); - else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) + if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) enable_kernel_fp(); #elif defined(CONFIG_ARM64) kernel_neon_begin(); @@ -125,11 +121,7 @@ void dc_fpu_end(const char *function_name, const int line) #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH) kernel_fpu_end(); #elif defined(CONFIG_PPC64) - if (cpu_has_feature(CPU_FTR_VSX_COMP)) - disable_kernel_vsx(); - else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) - disable_kernel_altivec(); - else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) + if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) disable_kernel_fp(); #elif defined(CONFIG_ARM64) kernel_neon_end(); diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile index c4a5efd2dda5..59d3972341d2 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -31,7 +31,7 @@ dml_ccflags := $(dml_ccflags-y) -msse endif ifdef CONFIG_PPC64 -dml_ccflags := -mhard-float -maltivec +dml_ccflags := -mhard-float endif ifdef CONFIG_ARM64 diff --git a/drivers/gpu/drm/amd/display/dc/dml2/Makefile b/drivers/gpu/drm/amd/display/dc/dml2/Makefile index 1c9498a72520..4c0970041cda 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml2/Makefile @@ -30,7 +30,7 @@ dml2_ccflags := $(dml2_ccflags-y) -msse endif ifdef CONFIG_PPC64 -dml2_ccflags := -mhard-float -maltivec +dml2_ccflags := -mhard-float endif ifdef CONFIG_ARM64 |