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| author | Ao Zhong <hacc1225@gmail.com> | 2022-10-31 20:37:40 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-04 16:05:54 -0400 |
| commit | 79b72db63392d35a4dbcd4743b95cb668691f790 (patch) | |
| tree | 1d99d02138e0ca3d190a6cb08bef5554a3961d00 /drivers/gpu/drm/amd/display/amdgpu_dm | |
| parent | ec4927d463cbf385be212af1ade9f5a6f1474d4f (diff) | |
| download | linux-79b72db63392d35a4dbcd4743b95cb668691f790.tar.bz2 | |
drm/amd/display: add DCN support for ARM64
After moving all FPU code to the DML folder, we can enable DCN support
for the ARM64 platform. Remove the -mgeneral-regs-only CFLAG from the
code in the DML folder that needs to use hardware FPU, and add a control
mechanism for ARM Neon.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Ao Zhong <hacc1225@gmail.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c | 6 |
1 files changed, 6 insertions, 0 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 ab0c6d191038..1743ca0a3641 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c @@ -31,6 +31,8 @@ #elif defined(CONFIG_PPC64) #include <asm/switch_to.h> #include <asm/cputable.h> +#elif defined(CONFIG_ARM64) +#include <asm/neon.h> #endif /** @@ -99,6 +101,8 @@ void dc_fpu_begin(const char *function_name, const int line) preempt_disable(); enable_kernel_fp(); } +#elif defined(CONFIG_ARM64) + kernel_neon_begin(); #endif } @@ -136,6 +140,8 @@ void dc_fpu_end(const char *function_name, const int line) disable_kernel_fp(); preempt_enable(); } +#elif defined(CONFIG_ARM64) + kernel_neon_end(); #endif } |