diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c index 75fcc521c171..00e96419fcda 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c @@ -447,6 +447,13 @@ success: return true; } +static bool amdgpu_prefer_rom_resource(struct amdgpu_device *adev) +{ + struct resource *res = &adev->pdev->resource[PCI_ROM_RESOURCE]; + + return (res->flags & IORESOURCE_ROM_SHADOW); +} + static bool amdgpu_get_bios_dgpu(struct amdgpu_device *adev) { if (amdgpu_atrm_get_bios(adev)) { @@ -465,14 +472,27 @@ static bool amdgpu_get_bios_dgpu(struct amdgpu_device *adev) goto success; } - if (amdgpu_read_platform_bios(adev)) { - dev_info(adev->dev, "Fetched VBIOS from platform\n"); - goto success; - } + if (amdgpu_prefer_rom_resource(adev)) { + if (amdgpu_read_bios(adev)) { + dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n"); + goto success; + } - if (amdgpu_read_bios(adev)) { - dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n"); - goto success; + if (amdgpu_read_platform_bios(adev)) { + dev_info(adev->dev, "Fetched VBIOS from platform\n"); + goto success; + } + + } else { + if (amdgpu_read_platform_bios(adev)) { + dev_info(adev->dev, "Fetched VBIOS from platform\n"); + goto success; + } + + if (amdgpu_read_bios(adev)) { + dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n"); + goto success; + } } if (amdgpu_read_bios_from_rom(adev)) { |