diff options
| author | Greg Kroah-Hartman | 2026-03-19 16:08:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2026-03-19 16:08:51 +0100 |
| commit | 1c6d58b8a03b656bfe4c6930a7d6052782c0bc89 (patch) | |
| tree | 70991c25d188f5b1cd6f5d84f9f352ec2fa2effa /drivers/gpu/drm/i915/gem | |
| parent | 744943ac89cd209aec9414dd751c53528d5757e7 (diff) | |
| parent | 4aea1dc4cad17cd146072e13b1fd404f32b8b3ef (diff) | |
Merge v6.18.19linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gem')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index b9dae15c1d16..1944db508211 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -151,8 +151,12 @@ int shmem_sg_alloc_table(struct drm_i915_private *i915, struct sg_table *st, } } while (1); - nr_pages = min_t(unsigned long, - folio_nr_pages(folio), page_count - i); + nr_pages = min_array(((unsigned long[]) { + folio_nr_pages(folio), + page_count - i, + max_segment / PAGE_SIZE, + }), 3); + if (!i || sg->length >= max_segment || folio_pfn(folio) != next_pfn) { @@ -162,7 +166,9 @@ int shmem_sg_alloc_table(struct drm_i915_private *i915, struct sg_table *st, st->nents++; sg_set_folio(sg, folio, nr_pages * PAGE_SIZE, 0); } else { - /* XXX: could overflow? */ + nr_pages = min_t(unsigned long, nr_pages, + (max_segment - sg->length) / PAGE_SIZE); + sg->length += nr_pages * PAGE_SIZE; } next_pfn = folio_pfn(folio) + nr_pages; |