[PATCH 2/2] drm/i915: fix i915_gem_object_wait_moving_fence

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All of CI is just failing with the following, which prevents loading of
the module:

    i915 0000:03:00.0: [drm] *ERROR* Scratch setup failed

Best guess is that this comes from the pin_map() for the scratch page,
which does an i915_gem_object_wait_moving_fence() somewhere. It looks
like this now calls into dma_resv_wait_timeout() which can return the
remaining timeout, leading to the caller thinking this is an error.

Fixes: 1d7f5e6c5240 ("drm/i915: drop bo->moving dependency")
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_object.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 2998d895a6b3..1c88d4121658 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -772,9 +772,14 @@ int i915_gem_object_get_moving_fence(struct drm_i915_gem_object *obj,
 int i915_gem_object_wait_moving_fence(struct drm_i915_gem_object *obj,
 				      bool intr)
 {
+	long ret;
+
 	assert_object_held(obj);
-	return dma_resv_wait_timeout(obj->base. resv, DMA_RESV_USAGE_KERNEL,
-				     intr, MAX_SCHEDULE_TIMEOUT);
+
+	ret = dma_resv_wait_timeout(obj->base. resv, DMA_RESV_USAGE_KERNEL,
+				    intr, MAX_SCHEDULE_TIMEOUT);
+
+	return ret < 0 ? ret : 0;
 }
 
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
-- 
2.34.1




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