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Commit 858b0f57 authored by Bing Niu's avatar Bing Niu Committed by Zhenyu Wang
Browse files

drm/i915/gvt: set SFUSE_STRAP properly for vitual monitor detection 



update the correct virtual montior connection status to vreg

v2: address yulei's comment on commit message

Signed-off-by: default avatarBing Niu <bing.niu@intel.com>
Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 1f58af30

drivers/gpu/drm/i915/gvt/display.c

+11 −3
Original line number Diff line number Diff line
@@ -176,14 +176,20 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) 
		vgpu_vreg(vgpu, SDEISR) &= ~(SDE_PORTA_HOTPLUG_SPT |

				SDE_PORTE_HOTPLUG_SPT);



	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B))

	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) {

		vgpu_vreg(vgpu, SDEISR) |= SDE_PORTB_HOTPLUG_CPT;

		vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED;

	}



	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C))

	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) {

		vgpu_vreg(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT;

		vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED;

	}



	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D))

	if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) {

		vgpu_vreg(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;

		vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED;

	}



	if (IS_SKYLAKE(dev_priv) &&

			intel_vgpu_has_monitor_on_port(vgpu, PORT_E)) {
@@ -196,6 +202,8 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) 
				GEN8_PORT_DP_A_HOTPLUG;

		else

			vgpu_vreg(vgpu, SDEISR) |= SDE_PORTA_HOTPLUG_SPT;



		vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_A)) |= DDI_INIT_DISPLAY_DETECTED;

	}

}