-EDEADLK has special meaning in atomic, but get_fence may call
i915_find_fence_reg which can return -EDEADLK.
This has special meaning in the atomic world, so convert the error
to -EBUSY for this case.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ede652867596..786018eaf393 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2395,8 +2395,11 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
* a fence as the cost is not that onerous.
*/
ret = i915_gem_object_get_fence(obj);
- if (ret)
+ if (ret) {
+ if (ret == -EDEADLK)
+ ret = -EBUSY;
goto err_unpin;
+ }
i915_gem_object_pin_fence(obj);
--
2.1.0
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