diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 4f25b6b7728e..035479e273be 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -342,6 +342,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num, port->dpcd->data_valid = true; port->dpcd->data[DPCD_SINK_COUNT] = 0x1; port->type = type; + port->id = resolution; emulate_monitor_status_change(vgpu); @@ -445,6 +446,36 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt) } /** + * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU + * @vgpu: a vGPU + * @conncted: link state + * + * This function is used to trigger hotplug interrupt for vGPU + * + */ +void intel_vgpu_emulate_hotplug(struct intel_vgpu *vgpu, bool connected) +{ + struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + + /* TODO: add more platforms support */ + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { + if (connected) { + vgpu_vreg_t(vgpu, SFUSE_STRAP) |= + SFUSE_STRAP_DDID_DETECTED; + vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT; + } else { + vgpu_vreg_t(vgpu, SFUSE_STRAP) &= + ~SFUSE_STRAP_DDID_DETECTED; + vgpu_vreg_t(vgpu, SDEISR) &= ~SDE_PORTD_HOTPLUG_CPT; + } + vgpu_vreg_t(vgpu, SDEIIR) |= SDE_PORTD_HOTPLUG_CPT; + vgpu_vreg_t(vgpu, PCH_PORT_HOTPLUG) |= + PORTD_HOTPLUG_STATUS_MASK; + intel_vgpu_trigger_virtual_event(vgpu, DP_D_HOTPLUG); + } +} + +/** * intel_vgpu_clean_display - clean vGPU virtual display emulation * @vgpu: a vGPU * |