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drm/amdgpu: Implement get_local_mem_info
Implement new kgd-kfd interface function get_local_mem_info. Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Ben Goz <ben.goz@amd.com> 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>
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@ -285,6 +285,36 @@ uint64_t get_vmem_size(struct kgd_dev *kgd)
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return adev->mc.real_vram_size;
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}
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void get_local_mem_info(struct kgd_dev *kgd,
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struct kfd_local_mem_info *mem_info)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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uint64_t address_mask = adev->dev->dma_mask ? ~*adev->dev->dma_mask :
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~((1ULL << 32) - 1);
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resource_size_t aper_limit = adev->mc.aper_base + adev->mc.aper_size;
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memset(mem_info, 0, sizeof(*mem_info));
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if (!(adev->mc.aper_base & address_mask || aper_limit & address_mask)) {
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mem_info->local_mem_size_public = adev->mc.visible_vram_size;
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mem_info->local_mem_size_private = adev->mc.real_vram_size -
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adev->mc.visible_vram_size;
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} else {
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mem_info->local_mem_size_public = 0;
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mem_info->local_mem_size_private = adev->mc.real_vram_size;
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}
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mem_info->vram_width = adev->mc.vram_width;
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pr_debug("Address base: 0x%llx limit 0x%llx public 0x%llx private 0x%llx\n",
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adev->mc.aper_base, aper_limit,
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mem_info->local_mem_size_public,
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mem_info->local_mem_size_private);
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if (amdgpu_sriov_vf(adev))
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mem_info->mem_clk_max = adev->clock.default_mclk / 100;
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else
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mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
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}
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uint64_t get_gpu_clock_counter(struct kgd_dev *kgd)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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@ -57,6 +57,8 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
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void **cpu_ptr);
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void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
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uint64_t get_vmem_size(struct kgd_dev *kgd);
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void get_local_mem_info(struct kgd_dev *kgd,
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struct kfd_local_mem_info *mem_info);
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uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
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uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
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@ -174,6 +174,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
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.init_gtt_mem_allocation = alloc_gtt_mem,
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.free_gtt_mem = free_gtt_mem,
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.get_vmem_size = get_vmem_size,
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.get_local_mem_info = get_local_mem_info,
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.get_gpu_clock_counter = get_gpu_clock_counter,
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.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
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.alloc_pasid = amdgpu_vm_alloc_pasid,
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@ -133,6 +133,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
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.init_gtt_mem_allocation = alloc_gtt_mem,
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.free_gtt_mem = free_gtt_mem,
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.get_vmem_size = get_vmem_size,
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.get_local_mem_info = get_local_mem_info,
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.get_gpu_clock_counter = get_gpu_clock_counter,
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.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
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.alloc_pasid = amdgpu_vm_alloc_pasid,
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