Ahead of the PXP implementation, define the relevant define flag and
kconfig option.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>
---
 drivers/gpu/drm/i915/Kconfig             | 11 +++++++++++
 drivers/gpu/drm/i915/i915_drv.h          |  4 ++++
 drivers/gpu/drm/i915/intel_device_info.h |  1 +
 3 files changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 1e1cb245fca7..c55e58bdbe0b 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -130,6 +130,17 @@ config DRM_I915_GVT_KVMGT
          Choose this option if you want to enable KVMGT support for
          Intel GVT-g.
 
+config DRM_I915_PXP
+       bool "Enable Intel PXP support for Intel Gen12+ platform"
+       depends on DRM_I915
+       depends on INTEL_MEI && INTEL_MEI_PXP
+       default y
+       help
+         PXP (Protected Xe Path) is an i915 component, available on GEN12+
+         GPUs, that helps to establish the hardware protected session and
+         manage the status of the alive software session, as well as its life
+         cycle.
+
 menu "drm/i915 Debugging"
 depends on DRM_I915
 depends on EXPERT
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f8413b3b9da8..ae3d92acddfd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1742,6 +1742,10 @@ tgl_stepping_get(struct drm_i915_private *dev_priv)
 
 #define HAS_VRR(i915)  (INTEL_GEN(i915) >= 12)
 
+#define HAS_PXP(dev_priv) (IS_ENABLED(CONFIG_DRM_I915_PXP) && \
+                          INTEL_INFO(dev_priv)->has_pxp) && \
+                          VDBOX_MASK(&dev_priv->gt)
+
 /* Only valid when HAS_DISPLAY() is true */
 #define INTEL_DISPLAY_ENABLED(dev_priv) \
        (drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), 
!(dev_priv)->params.disable_display)
diff --git a/drivers/gpu/drm/i915/intel_device_info.h 
b/drivers/gpu/drm/i915/intel_device_info.h
index d44f64b57b7a..8cd9cb841c3e 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -126,6 +126,7 @@ enum intel_ppgtt_type {
        func(has_logical_ring_elsq); \
        func(has_master_unit_irq); \
        func(has_pooled_eu); \
+       func(has_pxp); \
        func(has_rc6); \
        func(has_rc6p); \
        func(has_rps); \
-- 
2.29.2

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