diff options
| author | Colin Xu <colin.xu@intel.com> | 2018-06-11 10:39:37 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-06-13 05:57:29 +0300 |
| commit | 72bad9972876933b3c428fcee122bb1dcbf8cf5a (patch) | |
| tree | 1153971de1dd62984b569add81c566be9ee2d99d /drivers/gpu/drm/i915/gvt/display.c | |
| parent | 47d9d3be5925688dfcc7407b0ae70013ba2dce2e (diff) | |
| download | linux-72bad9972876933b3c428fcee122bb1dcbf8cf5a.tar.xz | |
drm/i915/gvt: Enable virtual display support for BXT.
Virtual monitor on BXT start from port B.
Unlike SKL/KBL, digital display port connectivity is detected via
GEN8_DE_PORT_ISR so emulate monitor state change by setting it.
Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/display.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 38521fa81bf9..6ee50cb328f8 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -171,6 +171,29 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; int pipe; + if (IS_BROXTON(dev_priv)) { + vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) &= ~(BXT_DE_PORT_HP_DDIA | + BXT_DE_PORT_HP_DDIB | + BXT_DE_PORT_HP_DDIC); + + if (intel_vgpu_has_monitor_on_port(vgpu, PORT_A)) { + vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= + BXT_DE_PORT_HP_DDIA; + } + + if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) { + vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= + BXT_DE_PORT_HP_DDIB; + } + + if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) { + vgpu_vreg_t(vgpu, GEN8_DE_PORT_ISR) |= + BXT_DE_PORT_HP_DDIC; + } + + return; + } + vgpu_vreg_t(vgpu, SDEISR) &= ~(SDE_PORTB_HOTPLUG_CPT | SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT); |