Update with brief overview and reference for more detailed
arch design documents.
Add new section for Intel GVT-g host support.
Signed-off-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
---
Documentation/gpu/i915.rst | 9 +++++++++
drivers/gpu/drm/i915/intel_gvt.c | 8 ++++++--
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index 87aaffc..95ce77f 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -49,6 +49,15 @@ Intel GVT-g Guest Support(vGPU)
.. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c
:internal:
+Intel GVT-g Host Support(vGPU device model)
+-------------------------------------------
+
+.. kernel-doc:: drivers/gpu/drm/i915/intel_gvt.c
+ :doc: Intel GVT-g host support
+
+.. kernel-doc:: drivers/gpu/drm/i915/intel_gvt.c
+ :internal:
+
Display Hardware Handling
=========================
diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c
index bae1a7d..88126b6 100644
--- a/drivers/gpu/drm/i915/intel_gvt.c
+++ b/drivers/gpu/drm/i915/intel_gvt.c
@@ -31,8 +31,12 @@
* GPU among multiple virtual machines on a time-sharing basis. Each
* virtual machine is presented a virtual GPU (vGPU), which has equivalent
* features as the underlying physical GPU (pGPU), so i915 driver can run
- * seamlessly in a virtual machine. This file provides the englightments
- * of GVT and the necessary components used by GVT in i915 driver.
+ * seamlessly in a virtual machine.
+ *
+ * To virtualize GPU resources GVT-g driver depends on hypervisor technology
+ * e.g KVM/VFIO/mdev, Xen, etc. to provide resource access trapping capability
+ * and be virtualized within GVT-g device module. More architectural design
+ * doc is available on https://01.org/group/2230/documentation-list.
*/
static bool is_supported_device(struct drm_i915_private *dev_priv)
--
2.9.3
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