[PATCH 2/5] drm/i915: define i915_ggtt_has_aperture

Abdiel Janulgue
2019-10-23T08:25:07Z

From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

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>
---
drivers/gpu/drm/i915/i915_gem_gtt.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index f074f1de66e8..28044449aa41 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -575,6 +575,11 @@ void i915_ggtt_disable_guc(struct i915_ggtt *ggtt);
int i915_init_ggtt(struct drm_i915_private *dev_priv);
void i915_ggtt_driver_release(struct drm_i915_private *dev_priv);

+static inline bool i915_ggtt_has_aperture(struct i915_ggtt *ggtt)
+{
+ return ggtt->mappable_end > 0;
+}
+
int i915_ppgtt_init_hw(struct intel_gt *gt);

struct i915_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv);