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drm/i915: define i915_ggtt_has_aperture
The following patches in the series will use it to avoid certain operations when the mappable aperture is not available in HW. Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20191029095856.25431-1-matthew.auld@intel.com
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@ -575,6 +575,11 @@ void i915_ggtt_disable_guc(struct i915_ggtt *ggtt);
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int i915_init_ggtt(struct drm_i915_private *dev_priv);
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void i915_ggtt_driver_release(struct drm_i915_private *dev_priv);
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static inline bool i915_ggtt_has_aperture(const struct i915_ggtt *ggtt)
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{
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return ggtt->mappable_end > 0;
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}
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int i915_ppgtt_init_hw(struct intel_gt *gt);
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struct i915_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv);
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