diff options
| author | Hang Yuan <hang.yuan@linux.intel.com> | 2019-01-30 18:25:54 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2019-01-31 11:41:25 +0800 |
| commit | 39c68e87bc50a71bcfe93582d9b0673ef30db418 (patch) | |
| tree | b9e3c5c1ce7a7e7a996b6e0dd5039f5b90e3bc81 /drivers/gpu/drm/i915/gvt/mpt.h | |
| parent | 1ca20f33df42ee61a4ae1bf4f2abf8e5f77a16fc (diff) | |
| download | linux-39c68e87bc50a71bcfe93582d9b0673ef30db418.tar.gz | |
drm/i915/gvt: add VFIO EDID region
Implement VFIO EDID region for vgpu. Support EDID blob update and notify
guest on link state change via hotplug event.
v3: move struct edid_region to kvmgt.c <zhenyu>
v2: add EDID sanity check and size update <zhenyu>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/mpt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mpt.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h index 9b4225d44243..5d8b8f228d8f 100644 --- a/drivers/gpu/drm/i915/gvt/mpt.h +++ b/drivers/gpu/drm/i915/gvt/mpt.h @@ -314,6 +314,23 @@ static inline int intel_gvt_hypervisor_set_opregion(struct intel_vgpu *vgpu) } /** + * intel_gvt_hypervisor_set_edid - Set EDID region for guest + * @vgpu: a vGPU + * @port_num: display port number + * + * Returns: + * Zero on success, negative error code if failed. + */ +static inline int intel_gvt_hypervisor_set_edid(struct intel_vgpu *vgpu, + int port_num) +{ + if (!intel_gvt_host.mpt->set_edid) + return 0; + + return intel_gvt_host.mpt->set_edid(vgpu, port_num); +} + +/** * intel_gvt_hypervisor_get_vfio_device - increase vfio device ref count * @vgpu: a vGPU * |