Recently discovered by enabling CONFIG_DMA_API_DEBUG in our CI. By the looks of it broken since forever. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93793 Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> --- drivers/char/agp/intel-gtt.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 1341a94cc779..432ae61a8715 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1430,6 +1430,14 @@ void intel_gmch_remove(void) if (--intel_private.refcount) return; + if (intel_private.scratch_page) { + if (intel_private.needs_dmar) + pci_unmap_page(intel_private.pcidev, + intel_private.scratch_page_dma, + PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); + + __free_page(intel_private.scratch_page); + } if (intel_private.pcidev) pci_dev_put(intel_private.pcidev); if (intel_private.bridge_dev) -- 2.5.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
