Implement the intel_pxp_gem_object_status() to allow i915 display querying the current PXP session state. In the design, display should not perform protection flip on the protected buffers if there is no PXP session alive.
Signed-off-by: Huang, Sean Z <[email protected]> --- drivers/gpu/drm/i915/pxp/intel_pxp.c | 8 ++++++++ drivers/gpu/drm/i915/pxp/intel_pxp.h | 7 +++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index 8134b39c7419..90e6766991c5 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -326,3 +326,11 @@ void intel_pxp_irq_handler(struct intel_gt *gt, u16 iir) i915->pxp.current_events |= events; schedule_work(&i915->pxp.irq_work); } + +bool intel_pxp_gem_object_status(struct drm_i915_private *i915) +{ + if (i915->pxp.ctx && i915->pxp.ctx->flag_display_hm_surface_keys) + return true; + else + return false; +} diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.h b/drivers/gpu/drm/i915/pxp/intel_pxp.h index 818e79e9caca..7556ad5c7904 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.h +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h @@ -116,6 +116,8 @@ int i915_pxp_global_terminate_complete_callback(struct drm_i915_private *i915); int intel_pxp_init(struct drm_i915_private *i915); void intel_pxp_uninit(struct drm_i915_private *i915); + +bool intel_pxp_gem_object_status(struct drm_i915_private *i915); #else static inline int i915_pxp_ops_ioctl(struct drm_device *dev, void *data, struct drm_file *drmfile) { @@ -153,6 +155,11 @@ static inline int intel_pxp_init(struct drm_i915_private *i915) static inline void intel_pxp_uninit(struct drm_i915_private *i915) { } + +static inline bool intel_pxp_gem_object_status(struct drm_i915_private *i915) +{ + return false; +} #endif #endif /* __INTEL_PXP_PM_H__ */ -- 2.17.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
