Re: [PATCH v4 4/7] iommu: Add quirk for Intel graphic devices in map_sg

2020-11-03 Thread Robin Murphy
On 2020-09-27 07:34, Lu Baolu wrote: Combining the sg segments exposes a bug in the Intel i915 driver which causes visual artifacts and the screen to freeze. This is most likely because of how the i915 handles the returned list. It probably doesn't respect the returned value specifying the

[PATCH v4 4/7] iommu: Add quirk for Intel graphic devices in map_sg

2020-09-27 Thread Lu Baolu
Combining the sg segments exposes a bug in the Intel i915 driver which causes visual artifacts and the screen to freeze. This is most likely because of how the i915 handles the returned list. It probably doesn't respect the returned value specifying the number of elements in the list and instead