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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>
hifive-unleashed-5.1
Harish Kasiviswanathan 2017-12-08 23:08:42 -05:00 committed by Oded Gabbay
parent 4073ed7838
commit 30f1c0421e
4 changed files with 34 additions and 0 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
View File

@ -285,6 +285,36 @@ uint64_t get_vmem_size(struct kgd_dev *kgd)
return adev->mc.real_vram_size;
}
void get_local_mem_info(struct kgd_dev *kgd,
struct kfd_local_mem_info *mem_info)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
uint64_t address_mask = adev->dev->dma_mask ? ~*adev->dev->dma_mask :
~((1ULL << 32) - 1);
resource_size_t aper_limit = adev->mc.aper_base + adev->mc.aper_size;
memset(mem_info, 0, sizeof(*mem_info));
if (!(adev->mc.aper_base & address_mask || aper_limit & address_mask)) {
mem_info->local_mem_size_public = adev->mc.visible_vram_size;
mem_info->local_mem_size_private = adev->mc.real_vram_size -
adev->mc.visible_vram_size;
} else {
mem_info->local_mem_size_public = 0;
mem_info->local_mem_size_private = adev->mc.real_vram_size;
}
mem_info->vram_width = adev->mc.vram_width;
pr_debug("Address base: 0x%llx limit 0x%llx public 0x%llx private 0x%llx\n",
adev->mc.aper_base, aper_limit,
mem_info->local_mem_size_public,
mem_info->local_mem_size_private);
if (amdgpu_sriov_vf(adev))
mem_info->mem_clk_max = adev->clock.default_mclk / 100;
else
mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
}
uint64_t get_gpu_clock_counter(struct kgd_dev *kgd)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
View File

@ -57,6 +57,8 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **cpu_ptr);
void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
uint64_t get_vmem_size(struct kgd_dev *kgd);
void get_local_mem_info(struct kgd_dev *kgd,
struct kfd_local_mem_info *mem_info);
uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
View File

@ -174,6 +174,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
.init_gtt_mem_allocation = alloc_gtt_mem,
.free_gtt_mem = free_gtt_mem,
.get_vmem_size = get_vmem_size,
.get_local_mem_info = get_local_mem_info,
.get_gpu_clock_counter = get_gpu_clock_counter,
.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
.alloc_pasid = amdgpu_vm_alloc_pasid,

1
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
View File

@ -133,6 +133,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
.init_gtt_mem_allocation = alloc_gtt_mem,
.free_gtt_mem = free_gtt_mem,
.get_vmem_size = get_vmem_size,
.get_local_mem_info = get_local_mem_info,
.get_gpu_clock_counter = get_gpu_clock_counter,
.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
.alloc_pasid = amdgpu_vm_alloc_pasid,