[PATCH v2 25/37] drm/i915/selftests: check for missing aperture

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We may be missing support for the mappable aperture on some platforms.

Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
---
 .../drm/i915/gem/selftests/i915_gem_coherency.c    |  5 ++++-
 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c |  3 +++
 drivers/gpu/drm/i915/gt/selftest_hangcheck.c       | 14 ++++++++++----
 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c      |  3 +++
 4 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
index 8f22d3f18422..7f80fdc94e40 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
@@ -242,7 +242,10 @@ static bool always_valid(struct drm_i915_private *i915)
 
 static bool needs_fence_registers(struct drm_i915_private *i915)
 {
-	return !i915_terminally_wedged(i915);
+	if (i915_terminally_wedged(i915))
+		return false;
+
+	return i915->ggtt.num_fences;
 }
 
 static bool needs_mi_store_dword(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index a1f0b235f56b..6949df0f963f 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -184,6 +184,9 @@ static int igt_partial_tiling(void *arg)
 	int tiling;
 	int err;
 
+	if (!HAS_MAPPABLE_APERTURE(i915))
+		return 0;
+
 	/* We want to check the page mapping and fencing of a large object
 	 * mmapped through the GTT. The object we create is larger than can
 	 * possibly be mmaped as a whole, and so we must use partial GGTT vma.
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index cf592a049a71..d9712149aa1a 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -1182,8 +1182,12 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915,
 	struct i915_request *rq;
 	struct evict_vma arg;
 	struct hang h;
+	unsigned int pin_flags;
 	int err;
 
+	if (!i915->ggtt.num_fences && flags & EXEC_OBJECT_NEEDS_FENCE)
+		return 0;
+
 	if (!intel_engine_can_store_dword(i915->engine[RCS0]))
 		return 0;
 
@@ -1220,10 +1224,12 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915,
 		goto out_obj;
 	}
 
-	err = i915_vma_pin(arg.vma, 0, 0,
-			   i915_vma_is_ggtt(arg.vma) ?
-			   PIN_GLOBAL | PIN_MAPPABLE :
-			   PIN_USER);
+	pin_flags = i915_vma_is_ggtt(arg.vma) ? PIN_GLOBAL : PIN_USER;
+
+	if (flags & EXEC_OBJECT_NEEDS_FENCE)
+		pin_flags |= PIN_MAPPABLE;
+
+	err = i915_vma_pin(arg.vma, 0, 0, pin_flags);
 	if (err) {
 		i915_request_add(rq);
 		goto out_obj;
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 31a51ca1ddcb..d049b7f32233 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1148,6 +1148,9 @@ static int igt_ggtt_page(void *arg)
 	unsigned int *order, n;
 	int err;
 
+	if (!HAS_MAPPABLE_APERTURE(i915))
+		return 0;
+
 	mutex_lock(&i915->drm.struct_mutex);
 
 	obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
-- 
2.20.1

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