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| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-11-23 00:45:52 +0300 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-11-25 11:36:18 +0300 |
| commit | 004746e4b119a206c27c6ea0f4b6287bab16a9ad (patch) | |
| tree | 5229b164e7c1d47005903ba1b5a3444ca9478bc0 /drivers/gpu/drm/i915/gem/i915_gem_object_types.h | |
| parent | 8b1f7f92e57d7eff7a3503763dd2c8e0357c36ff (diff) | |
| download | linux-004746e4b119a206c27c6ea0f4b6287bab16a9ad.tar.xz | |
drm/i915/ttm: Correctly handle waiting for gpu when shrinking
With async migration, the shrinker may end up wanting to release the
pages of an object while the migration blit is still running, since
the GT migration code doesn't set up VMAs and the shrinker is thus
oblivious to the fact that the GPU is still using the pages.
Add waiting for gpu in the shrinker_release_pages() op and an
argument to that function indicating whether the shrinker expects it
to not wait for gpu. In the latter case the shrinker_release_pages()
op will return -EBUSY if the object is not idle.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211122214554.371864-5-thomas.hellstrom@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_object_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 604ed5ad77f5..f9f7e44099fe 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -59,6 +59,7 @@ struct drm_i915_gem_object_ops { int (*truncate)(struct drm_i915_gem_object *obj); void (*writeback)(struct drm_i915_gem_object *obj); int (*shrinker_release_pages)(struct drm_i915_gem_object *obj, + bool no_gpu_wait, bool should_writeback); int (*pread)(struct drm_i915_gem_object *obj, |