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drm/amd/amdgpu: stored bios_size 

It's necessary if we want to export vbios image out.

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2016-12-07 09:56:46 +08:00 committed by Alex Deucher
parent ff9d646017
commit a9f5db9ca7
2 changed files with 7 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -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];

6
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
View File

@ -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: