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| author | Bing Niu <bing.niu@intel.com> | 2017-02-28 11:39:48 -0500 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-03-01 10:14:19 +0800 |
| commit | 858b0f571d30916bd69c45922045f24f26d6bfc9 (patch) | |
| tree | d008a7918e6cde40c097cb36ca9d7ed012275282 /drivers/gpu | |
| parent | 1f58af304cce9e4a25b62b3619e69c586203c8ca (diff) | |
| download | linux-stable-858b0f571d30916bd69c45922045f24f26d6bfc9.tar.gz linux-stable-858b0f571d30916bd69c45922045f24f26d6bfc9.tar.bz2 linux-stable-858b0f571d30916bd69c45922045f24f26d6bfc9.zip | |
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')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.c | 14 |
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; } } |