diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index d1cf9ac0dff1..9af87eaf8ee3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -544,6 +544,32 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return copy_to_user(out, &vce_clk_table, min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0; } + case AMDGPU_INFO_VBIOS: { + uint32_t bios_size = adev->bios_size; + + switch (info->vbios_info.type) { + case AMDGPU_INFO_VBIOS_SIZE: + return copy_to_user(out, &bios_size, + min((size_t)size, sizeof(bios_size))) + ? -EFAULT : 0; + case AMDGPU_INFO_VBIOS_IMAGE: { + uint8_t *bios; + uint32_t bios_offset = info->vbios_info.offset; + + if (bios_offset >= bios_size) + return -EINVAL; + + bios = adev->bios + bios_offset; + return copy_to_user(out, bios, + min((size_t)size, (size_t)(bios_size - bios_offset))) + ? -EFAULT : 0; + } + default: + DRM_DEBUG_KMS("Invalid request %d\n", + info->vbios_info.type); + return -EINVAL; + } + } default: DRM_DEBUG_KMS("Invalid request %d\n", info->query); return -EINVAL; |