diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index d95fd76102d6..d3805dbbbb6f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -28,6 +28,7 @@ #include "amdgpu.h" #include "amdgpu_gfx.h" #include "amdgpu_dma_buf.h" +#include <drm/ttm/ttm_tt.h> #include <linux/module.h> #include <linux/dma-buf.h> #include "amdgpu_xgmi.h" @@ -783,11 +784,23 @@ void amdgpu_amdkfd_unlock_kfd(struct amdgpu_device *adev) u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id) { - u64 tmp; s8 mem_id = KFD_XCP_MEM_ID(adev, xcp_id); + u64 tmp; if (adev->gmc.num_mem_partitions && xcp_id >= 0 && mem_id >= 0) { - tmp = adev->gmc.mem_partitions[mem_id].size; + if (adev->gmc.is_app_apu && adev->gmc.num_mem_partitions == 1) { + /* In NPS1 mode, we should restrict the vram reporting + * tied to the ttm_pages_limit which is 1/2 of the system + * memory. For other partition modes, the HBM is uniformly + * divided already per numa node reported. If user wants to + * go beyond the default ttm limit and maximize the ROCm + * allocations, they can go up to max ttm and sysmem limits. + */ + + tmp = (ttm_tt_pages_limit() << PAGE_SHIFT) / num_online_nodes(); + } else { + tmp = adev->gmc.mem_partitions[mem_id].size; + } do_div(tmp, adev->xcp_mgr->num_xcp_per_mem_partition); return ALIGN_DOWN(tmp, PAGE_SIZE); } else { |