i915_gem_object_attach_phys() is trying to swap out its shmemfs pages for a new set of physically contiguous pages, but unfortunately triggers an assert inside get-pages.
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 72008e4c8c8f..1545a4ef09c4 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2479,8 +2479,6 @@ static int ____i915_gem_object_get_pages(struct drm_i915_gem_object *obj) { struct sg_table *pages; - GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj)); - if (unlikely(obj->mm.madv != I915_MADV_WILLNEED)) { DRM_DEBUG("Attempting to obtain a purgeable object\n"); return -EFAULT; @@ -2510,6 +2508,8 @@ int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj) return err; if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { + GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj)); + err = ____i915_gem_object_get_pages(obj); if (err) goto unlock; @@ -2593,6 +2593,8 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) { if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { + GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj)); + ret = ____i915_gem_object_get_pages(obj); if (ret) goto err_unlock; -- 2.14.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
