From: Evan Quan <evan.quan@xxxxxxx>
It's necessary if we want to export vbios image out.
Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Christian Koenig <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 29d3a91..f31936b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1330,6 +1330,7 @@ struct amdgpu_device {
/* BIOS */
uint8_t *bios;
+ uint32_t bios_size;
bool is_atom_bios;
struct amdgpu_bo *stollen_vga_memory;
uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index b7e2762..4f973a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -74,6 +74,7 @@ static bool igp_read_bios_from_vram(struct amdgpu_device *adev)
iounmap(bios);
return false;
}
+ adev->bios_size = size;
memcpy_fromio(adev->bios, bios, size);
iounmap(bios);
return true;
@@ -103,6 +104,7 @@ bool amdgpu_read_bios(struct amdgpu_device *adev)
pci_unmap_rom(adev->pdev, bios);
return false;
}
+ adev->bios_size = size;
memcpy_fromio(adev->bios, bios, size);
pci_unmap_rom(adev->pdev, bios);
return true;
@@ -135,6 +137,7 @@ static bool amdgpu_read_bios_from_rom(struct amdgpu_device *adev)
DRM_ERROR("no memory to allocate for BIOS\n");
return false;
}
+ adev->bios_size = len;
/* read complete BIOS */
return amdgpu_asic_read_bios_from_rom(adev, adev->bios, len);
@@ -159,6 +162,7 @@ static bool amdgpu_read_platform_bios(struct amdgpu_device *adev)
if (adev->bios == NULL) {
return false;
}
+ adev->bios_size = size;
return true;
}
@@ -273,6 +277,7 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)
kfree(adev->bios);
return false;
}
+ adev->bios_size = size;
return true;
}
#else
@@ -334,6 +339,7 @@ static bool amdgpu_acpi_vfct_bios(struct amdgpu_device *adev)
}
adev->bios = kmemdup(&vbios->VbiosContent, vhdr->ImageLength, GFP_KERNEL);
+ adev->bios_size = vhdr->ImageLength;
ret = !!adev->bios;
out_unmap:
--
2.5.5
