Ahead of the PXP implementation, define the relevant define flag and kconfig option.
v2: flip kconfig default to N. Some machines have IFWIs that do not support PXP, so we need it to be an opt-in until we add support to query the caps from the mei device.
Signed-off-by: Daniele Ceraolo Spurio daniele.ceraolospurio@intel.com Reviewed-by: Rodrigo Vivi rodrigo.vivi@intel.com #v1 --- 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 f960f5d7664e..5987c3d5d9fb 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -131,6 +131,17 @@ 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 n + 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 c4747f4407ef..772f9f0b6ddb 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1752,6 +1752,10 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define HAS_VRR(i915) (GRAPHICS_VER(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 bd83004c78b6..8e9597008b8a 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -129,6 +129,7 @@ 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); \