Commit e6aa7136 authored by Daniele Ceraolo Spurio's avatar Daniele Ceraolo Spurio Committed by Rodrigo Vivi
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drm/i915/pxp: define PXP device flag and kconfig 



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.

v10: change comments from "Gen12+" to "Gen12 and newer"

Signed-off-by: default avatarAlan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-4-alan.previn.teres.alexis@intel.com
parent c2004ce9

drivers/gpu/drm/i915/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -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 and newer 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 and

	  newer 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

drivers/gpu/drm/i915/i915_drv.h

+3 −0
Original line number Diff line number Diff line
@@ -1700,6 +1700,9 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, 


#define HAS_GLOBAL_MOCS_REGISTERS(dev_priv)	(INTEL_INFO(dev_priv)->has_global_mocs)



#define HAS_PXP(dev_priv)  ((IS_ENABLED(CONFIG_DRM_I915_PXP) && \

			    INTEL_INFO(dev_priv)->has_pxp) && \

			    VDBOX_MASK(&dev_priv->gt))



#define HAS_GMCH(dev_priv) (INTEL_INFO(dev_priv)->display.has_gmch)

drivers/gpu/drm/i915/intel_device_info.h

+1 −0
Original line number Diff line number Diff line
@@ -133,6 +133,7 @@ enum intel_ppgtt_type { 
	func(has_logical_ring_elsq); \

	func(has_mslices); \

	func(has_pooled_eu); \

	func(has_pxp); \

	func(has_rc6); \

	func(has_rc6p); \

	func(has_rps); \