When we allocate the GTT page-directory on !llc, we try to mark those pages as using WC (via PAT). This may fail, so check and propagate the error.
Signed-off-by: Chris Wilson <[email protected]> Cc: Matthew Auld <[email protected]> Cc: Joonas Lahtinen <[email protected]> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 6a036c068684..eebeb9a91631 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -409,7 +409,10 @@ static struct page *vm_alloc_page(struct i915_address_space *vm, gfp_t gfp) if (unlikely(!pvec->nr)) return NULL; - set_pages_array_wc(pvec->pages, pvec->nr); + if (unlikely(set_pages_array_wc(pvec->pages, pvec->nr))) { + __pagevec_release(pvec); + return NULL; + } return pvec->pages[--pvec->nr]; } -- 2.15.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
