diff options
| author | Alex Deucher <[email protected]> | 2025-01-30 20:20:05 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-02-13 02:04:08 +0000 |
| commit | 759e764f7d587283b4e0b01ff930faca64370e59 (patch) | |
| tree | 48ebd7e09d09b636a5be0635e817b5e302171137 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | drm/amdkfd: add a new flag to manage where VRAM allocations go (diff) | |
| download | kernel-759e764f7d587283b4e0b01ff930faca64370e59.tar.gz kernel-759e764f7d587283b4e0b01ff930faca64370e59.zip | |
drm/amdkfd: use GTT for VRAM on APUs only if GTT is larger
If the user has configured a large carveout on a small APU,
only use GTT for VRAM allocations if GTT is larger than
VRAM.
v2: fix reversed check (Philip)
Reviewed-by: Mario Limonciello <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index e68324ee4b25..bcb4bcc4ab75 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1987,8 +1987,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_INFO("amdgpu: %uM of GTT memory ready.\n", (unsigned int)(gtt_size / (1024 * 1024))); - if (adev->flags & AMD_IS_APU) - adev->apu_prefer_gtt = true; + if (adev->flags & AMD_IS_APU) { + if (adev->gmc.real_vram_size < gtt_size) + adev->apu_prefer_gtt = true; + } /* Initialize doorbell pool on PCI BAR */ r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_DOORBELL, adev->doorbell.size / PAGE_SIZE); |