summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorBing Niu <bing.niu@intel.com>2017-02-28 11:39:48 -0500
committerZhenyu Wang <zhenyuw@linux.intel.com>2017-03-01 10:14:19 +0800
commit858b0f571d30916bd69c45922045f24f26d6bfc9 (patch)
treed008a7918e6cde40c097cb36ca9d7ed012275282 /drivers/gpu/drm
parent1f58af304cce9e4a25b62b3619e69c586203c8ca (diff)
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: Bing Niu <bing.niu@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/gvt/display.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 43e02e038375..5419ae6ec633 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -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;
}
}