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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2017-09-06 14:52:20 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-09-06 22:12:10 +0100 |
| commit | 88c880bbdebe43ae13599d678b35c565e7563193 (patch) | |
| tree | 0d51220cf55cbfc303a9b8b9e4980205c3b47478 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | drm/i915: Display WA #1133 WaFbcSkipSegments:cnl, glk (diff) | |
| download | linux-dev-88c880bbdebe43ae13599d678b35c565e7563193.tar.xz linux-dev-88c880bbdebe43ae13599d678b35c565e7563193.zip | |
drm/i915: Lift has-pinned-pages assert to caller of ____i915_gem_object_get_pages
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.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102561
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170906135220.13508-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 6 |
1 files 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; |