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| author | Alex Deucher <alexander.deucher@amd.com> | 2023-05-16 17:16:30 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 10:37:52 -0400 |
| commit | 45b3a914d40e63d2c9e3a3e02fb2014be975b9b0 (patch) | |
| tree | 66bdb4126a5d312e3c19bb14d163d90d305114ea /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | 92ecb92ccc839c4c4b51ab1025cde5dd82c2fb4b (diff) | |
| download | linux-45b3a914d40e63d2c9e3a3e02fb2014be975b9b0.tar.gz linux-45b3a914d40e63d2c9e3a3e02fb2014be975b9b0.tar.bz2 linux-45b3a914d40e63d2c9e3a3e02fb2014be975b9b0.zip | |
drm/amdgpu/gmc9: fix 64 bit division in partition code
Rework logic or use do_div() to avoid problems on 32 bit.
v2: add a missing case for XCP macro
v3: fix out of bounds array access
v4: fix xcp handling harder
Acked-by: Guchun Chen <guchun.chen@amd.com> (v1)
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> (v3)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index be43d71ba7ef..94cc456761e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -333,15 +333,14 @@ int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev, void amdgpu_amdkfd_unreserve_mem_limit(struct amdgpu_device *adev, uint64_t size, u32 alloc_flag, int8_t xcp_id); +u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id); + #define KFD_XCP_MEM_ID(adev, xcp_id) \ ((adev)->xcp_mgr && (xcp_id) >= 0 ?\ (adev)->xcp_mgr->xcp[(xcp_id)].mem_id : -1) -#define KFD_XCP_MEMORY_SIZE(adev, xcp_id)\ - ((adev)->gmc.num_mem_partitions && (xcp_id) >= 0 ?\ - (adev)->gmc.mem_partitions[KFD_XCP_MEM_ID((adev), (xcp_id))].size /\ - (adev)->xcp_mgr->num_xcp_per_mem_partition :\ - (adev)->gmc.real_vram_size) +#define KFD_XCP_MEMORY_SIZE(adev, xcp_id) amdgpu_amdkfd_xcp_memory_size((adev), (xcp_id)) + #if IS_ENABLED(CONFIG_HSA_AMD) void amdgpu_amdkfd_gpuvm_init_mem_limits(void); |