diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 99f4df133ed3..d30dc0b718c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -839,7 +839,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0], sizeof(adev->gfx.cu_info.ao_cu_bitmap)); memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0], - sizeof(adev->gfx.cu_info.bitmap)); + sizeof(dev_info->cu_bitmap)); dev_info->vram_type = adev->gmc.vram_type; dev_info->vram_bit_width = adev->gmc.vram_width; dev_info->vce_harvest_config = adev->vce.harvest_config; @@ -940,12 +940,17 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) struct atom_context *atom_context; atom_context = adev->mode_info.atom_context; - memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name)); - memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn)); - vbios_info.version = atom_context->version; - memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str, - sizeof(atom_context->vbios_ver_str)); - memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date)); + if (atom_context) { + memcpy(vbios_info.name, atom_context->name, + sizeof(atom_context->name)); + memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, + sizeof(atom_context->vbios_pn)); + vbios_info.version = atom_context->version; + memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str, + sizeof(atom_context->vbios_ver_str)); + memcpy(vbios_info.date, atom_context->date, + sizeof(atom_context->date)); + } return copy_to_user(out, &vbios_info, min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0; |