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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index 365e735f6647..c21adf60a7f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -86,19 +86,6 @@ static bool check_atom_bios(uint8_t *bios, size_t size)
return false;
}
-static bool is_atom_fw(uint8_t *bios)
-{
- uint16_t bios_header_start = bios[0x48] | (bios[0x49] << 8);
- uint8_t frev = bios[bios_header_start + 2];
- uint8_t crev = bios[bios_header_start + 3];
-
- if ((frev < 3) ||
- ((frev == 3) && (crev < 3)))
- return false;
-
- return true;
-}
-
/* If you boot an IGP board with a discrete card as the primary,
* the IGP rom is not accessible via the rom bar as the IGP rom is
* part of the system bios. On boot, the system bios puts a
@@ -117,7 +104,7 @@ static bool igp_read_bios_from_vram(struct amdgpu_device *adev)
adev->bios = NULL;
vram_base = pci_resource_start(adev->pdev, 0);
- bios = ioremap(vram_base, size);
+ bios = ioremap_wc(vram_base, size);
if (!bios) {
return false;
}
@@ -455,6 +442,6 @@ bool amdgpu_get_bios(struct amdgpu_device *adev)
return false;
success:
- adev->is_atom_fw = is_atom_fw(adev->bios);
+ adev->is_atom_fw = (adev->asic_type >= CHIP_VEGA10) ? true : false;
return true;
}