diff options
| author | Le Ma <le.ma@amd.com> | 2025-11-07 15:23:32 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-05 16:59:57 -0500 |
| commit | a26198f12231718fda7edb574858388cd820df55 (patch) | |
| tree | ade794ba7a9b7cd2a5424b0143c43fd0c17eeb0d /drivers/gpu | |
| parent | af26fa751c2eef66916acbf0d3c3e9159da56186 (diff) | |
drm/amdgpu: reserve umf hole size at vram high end for gfx v12.1
This region is reserved by firmware thus carve it out in driver.
v2: set reserve size based on aid configuration.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index df5031357244..cfbcce9c27c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1835,7 +1835,13 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4) || amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0))) reserve_size = max(reserve_size, (uint32_t)280 << 20); - else if (!reserve_size) + else if (!adev->bios && + amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(12, 1, 0)) { + if (hweight32(adev->aid_mask) == 1) + reserve_size = max(reserve_size, (uint32_t)128 << 20); + else + reserve_size = max(reserve_size, (uint32_t)144 << 20); + } else if (!reserve_size) reserve_size = DISCOVERY_TMR_OFFSET; if (mem_train_support) { |