diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2020-06-08 15:39:33 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-01 01:59:17 -0400 |
| commit | b7221f2b4655bb9a95ed6f86658713c8dd543d41 (patch) | |
| tree | 5f45e78540d1845881ddc92e9b695bb6356a17cc /drivers/gpu/drm | |
| parent | df06583d1deb32dc67ea6305937ac360280a8474 (diff) | |
drm/amdgpu: skip BAR resizing if the bios already did it
No need to do it again.
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 668ad0e35160..7f2a1c7c1254 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -909,6 +909,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) return 0; + /* skip if the bios has already enabled large BAR */ + if (adev->gmc.real_vram_size && + (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) + return 0; + /* Check if the root BUS has 64bit memory resources */ root = adev->pdev->bus; while (root->parent) |