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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-15 23:00:17 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-08-15 23:00:17 -0400 |
| commit | 70539bd79500245cbb4c7af00572fcce540d0105 (patch) | |
| tree | e74b2b1dffc9f7af6178925a2ad0d95800dca83d /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | c2cade3dd15914b13de5e6d8c6241ed7919475ed (diff) | |
| download | linux-70539bd79500245cbb4c7af00572fcce540d0105.tar.gz linux-70539bd79500245cbb4c7af00572fcce540d0105.tar.bz2 linux-70539bd79500245cbb4c7af00572fcce540d0105.zip | |
drm/amd: Update MEC HQD loading code for KFD
Various bug fixes and improvements that accumulated over the last two
years.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index b8802a561cbd..8d689ab7e429 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -26,6 +26,7 @@ #define AMDGPU_AMDKFD_H_INCLUDED #include <linux/types.h> +#include <linux/mmu_context.h> #include <kgd_kfd_interface.h> struct amdgpu_device; @@ -60,4 +61,19 @@ uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); +#define read_user_wptr(mmptr, wptr, dst) \ + ({ \ + bool valid = false; \ + if ((mmptr) && (wptr)) { \ + if ((mmptr) == current->mm) { \ + valid = !get_user((dst), (wptr)); \ + } else if (current->mm == NULL) { \ + use_mm(mmptr); \ + valid = !get_user((dst), (wptr)); \ + unuse_mm(mmptr); \ + } \ + } \ + valid; \ + }) + #endif /* AMDGPU_AMDKFD_H_INCLUDED */ |