[Intel-gfx] [PATCH] drm/i915/gtt: Avoid calling non-existent allocate_va_range

[Chris Wilson]

On hsw and older, we do not need to allocate the ppgtt on the fly and so
ppgtt->allocate_va_range() is NULL. Fixup ppgtt_bind_vma not to call it,
in that case!

v2: PIN_UPDATE still exists.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 21d72f695adb..b5517c66c653 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -189,20 +189,30 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
 	return 1;
 }
 
-static int ppgtt_bind_vma(struct i915_vma *vma,
-			  enum i915_cache_level cache_level,
-			  u32 unused)
+static int gen8_ppgtt_bind_vma(struct i915_vma *vma,
+			       enum i915_cache_level cache_level,
+			       u32 unused)
 {
-	u32 pte_flags;
 	int ret;
 
 	if (!(vma->flags & I915_VMA_LOCAL_BIND)) {
-		ret = vma->vm->allocate_va_range(vma->vm, vma->node.start,
-						 vma->size);
+		ret = vma->vm->allocate_va_range(vma->vm,
+						 vma->node.start, vma->size);
 		if (ret)
 			return ret;
 	}
 
+	vma->vm->insert_entries(vma->vm, vma, cache_level, 0);
+
+	return 0;
+}
+
+static int gen6_ppgtt_bind_vma(struct i915_vma *vma,
+			       enum i915_cache_level cache_level,
+			       u32 unused)
+{
+	u32 pte_flags;
+
 	/* Currently applicable only to VLV */
 	pte_flags = 0;
 	if (vma->obj->gt_ro)
@@ -1635,8 +1645,8 @@ static int gen8_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 		gen8_ppgtt_notify_vgt(ppgtt, true);
 
 	ppgtt->base.cleanup = gen8_ppgtt_cleanup;
+	ppgtt->base.bind_vma = gen8_ppgtt_bind_vma;
 	ppgtt->base.unbind_vma = ppgtt_unbind_vma;
-	ppgtt->base.bind_vma = ppgtt_bind_vma;
 	ppgtt->base.set_pages = ppgtt_set_pages;
 	ppgtt->base.clear_pages = clear_pages;
 	ppgtt->debug_dump = gen8_dump_ppgtt;
@@ -2078,8 +2088,8 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
 
 	ppgtt->base.clear_range = gen6_ppgtt_clear_range;
 	ppgtt->base.insert_entries = gen6_ppgtt_insert_entries;
+	ppgtt->base.bind_vma = gen6_ppgtt_bind_vma;
 	ppgtt->base.unbind_vma = ppgtt_unbind_vma;
-	ppgtt->base.bind_vma = ppgtt_bind_vma;
 	ppgtt->base.set_pages = ppgtt_set_pages;
 	ppgtt->base.clear_pages = clear_pages;
 	ppgtt->base.cleanup = gen6_ppgtt_cleanup;
-- 
2.17.0