diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vgpu.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vgpu.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index 4afe21662266..70fca72f5162 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -21,6 +21,8 @@ * SOFTWARE. */ +#include "i915_drv.h" +#include "i915_pvinfo.h" #include "i915_vgpu.h" /** @@ -51,13 +53,13 @@ */ /** - * i915_detect_vgpu - detect virtual GPU + * intel_vgpu_detect - detect virtual GPU * @dev_priv: i915 device private * * This function is called at the initialization stage, to detect whether * running on a vGPU. */ -void i915_detect_vgpu(struct drm_i915_private *dev_priv) +void intel_vgpu_detect(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = dev_priv->drm.pdev; u64 magic; @@ -102,11 +104,36 @@ out: pci_iounmap(pdev, shared_area); } +void intel_vgpu_register(struct drm_i915_private *i915) +{ + /* + * Notify a valid surface after modesetting, when running inside a VM. + */ + if (intel_vgpu_active(i915)) + intel_uncore_write(&i915->uncore, vgtif_reg(display_ready), + VGT_DRV_DISPLAY_READY); +} + +bool intel_vgpu_active(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.active; +} + bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv) { return dev_priv->vgpu.caps & VGT_CAPS_FULL_PPGTT; } +bool intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION; +} + +bool intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT; +} + struct _balloon_info_ { /* * There are up to 2 regions per mappable/unmappable graphic |