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authorColin Xu <colin.xu@intel.com>2018-06-11 15:39:37 +0800
committerZhenyu Wang <zhenyuw@linux.intel.com>2018-06-13 10:57:29 +0800
commit72bad9972876933b3c428fcee122bb1dcbf8cf5a (patch)
tree1153971de1dd62984b569add81c566be9ee2d99d /drivers/gpu/drm/i915/gvt/display.c
parent47d9d3be5925688dfcc7407b0ae70013ba2dce2e (diff)
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.c23
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);