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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2026-01-28 14:18:28 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 17:32:54 +0300 |
| commit | 25aa39a863932f43a4d52c54bbbd18ee626e39dc (patch) | |
| tree | e3e199d691bfe72f45a001530c4d638d4e251937 | |
| parent | 93d82ed35de622b90951434593a41abef7d98ae7 (diff) | |
| download | linux-25aa39a863932f43a4d52c54bbbd18ee626e39dc.tar.xz | |
drm/amdgpu/gmc12: Init vram_size for A + A
Calculate vram_size using the XGMI node segment size
and node count for A+A configurations
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index 2b5f01f15fac..ac39011d1268 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -728,9 +728,13 @@ static int gmc_v12_0_mc_init(struct amdgpu_device *adev) { int r; - /* size in MB on si */ - adev->gmc.mc_vram_size = - adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; + if (adev->gmc.xgmi.connected_to_cpu) + adev->gmc.mc_vram_size = + adev->gmc.xgmi.node_segment_size * adev->gmc.xgmi.num_physical_nodes; + else + adev->gmc.mc_vram_size = + adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; + adev->gmc.real_vram_size = adev->gmc.mc_vram_size; if (!(adev->flags & AMD_IS_APU) && |