diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-11-13 20:00:52 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-11-14 12:34:21 -0600 |
| commit | c7df7059e3baa1df96d03429923cc137f134658c (patch) | |
| tree | 265a64201645ff1050073a826d0ee65345753884 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 46ba95bed95424080671a38ecfb872954e1707bd (diff) | |
drm/amdgpu: Use pci_rebar_get_max_size()
Use pci_rebar_get_max_size() to simplify amdgpu_device_resize_fb_bar().
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patch.msgid.link/20251113180053.27944-11-ilpo.jarvinen@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index d777454a170a..9c9b482e7ec2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1673,9 +1673,9 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); struct pci_bus *root; struct resource *res; + int max_size, r; unsigned int i; u16 cmd; - int r; if (!IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT)) return 0; @@ -1721,8 +1721,10 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) return 0; /* Limit the BAR size to what is available */ - rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, - rbar_size); + max_size = pci_rebar_get_max_size(adev->pdev, 0); + if (max_size < 0) + return 0; + rbar_size = min(max_size, rbar_size); /* Disable memory decoding while we change the BAR addresses and size */ pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); |