[PATCH v2 21/37] drm/i915: define HAS_MAPPABLE_APERTURE

Matthew Auld
2019-06-27T20:57:00Z

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

The following patches in the series will use it to avoid certain
operations when aperture is not available in HW.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a124d1b17773..4d24f9dc1193 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2244,6 +2244,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
(INTEL_INFO(dev_priv)->display.overlay_needs_physical)

+#define HAS_MAPPABLE_APERTURE(dev_priv) (dev_priv->ggtt.mappable_end > 0)
+
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
#define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv))

--
2.20.1