diff options
| author | Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> | 2023-10-02 15:27:01 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-04 18:36:42 -0400 |
| commit | f4bff6e0b9e1dc29bc54d7c7e1c01f2c701eb36f (patch) | |
| tree | f511df9136ae9cd5caf05420e596c559ffd93fed /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | |
| parent | 9b37d45d797e9441a415e17bf963423162d8f998 (diff) | |
drm/amdgpu: Use ttm_pages_limit to override vram reporting
On GFXIP9.4.3 APU, allow the memory reporting as per the ttm pages
limit in NPS1 mode.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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 { |