diff options
| author | Nirmoy Das <nirmoy.das@intel.com> | 2022-09-20 19:06:28 +0200 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-09-27 11:05:23 +0100 |
| commit | 86a4e84a9d5247daa2eafef05078ae9f3e003bf1 (patch) | |
| tree | d185575d833a0517b863271dcc24c9ed297fb57f /drivers/gpu/drm/i915/gem | |
| parent | aa17e57e5c67330c36d915da2925ca27099c096a (diff) | |
| download | linux-86a4e84a9d5247daa2eafef05078ae9f3e003bf1.tar.bz2 | |
drm/i915: Do not cleanup obj with NULL bo->resource
For delayed BO release i915_ttm_delete_mem_notify()
gets called twice, once with proper bo->resource and
another time with NULL. We shouldn't do anything for
the 2nd time as we already cleaned up the obj once.
References: https://gitlab.freedesktop.org/drm/intel/-/issues/6850
Fixes: ad74457a6b5a96 ("drm/i915/dgfx: Release mmap on rpm suspend")
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220920170628.3391-1-nirmoy.das@intel.com
(cherry picked from commit fb7818989976317cc2e78008aa2df7b9fe423c86)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gem')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 0544b0a4a43a..e3fc38dd5db0 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -511,7 +511,7 @@ static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo) struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); intel_wakeref_t wakeref = 0; - if (likely(obj)) { + if (bo->resource && likely(obj)) { /* ttm_bo_release() already has dma_resv_lock */ if (i915_ttm_cpu_maps_iomem(bo->resource)) wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm); |