diff options
| author |   Dave Airlie <airlied@redhat.com> | 2018-11-29 10:34:03 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-11-29 10:34:03 +1000 |
| commit | 1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3 (patch) | |
| tree | 2e810e02a66cdec0bc82a8555796b7083ad03416 /drivers/iommu/amd_iommu_init.c | |
| parent | Merge tag 'drm-misc-next-2018-11-28' of git://anongit.freedesktop.org/drm/drm-misc into drm-next (diff) | |
| parent | Linux 4.20-rc4 (diff) | |
| download | linux-dev-1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3.tar.xz linux-dev-1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3.zip | |
Merge v4.20-rc4 into drm-next
Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index bb2cd29e1658..d8f7000a466a 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -797,7 +797,8 @@ static int iommu_init_ga_log(struct amd_iommu *iommu) entry = iommu_virt_to_phys(iommu->ga_log) | GA_LOG_SIZE_512; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_BASE_OFFSET, &entry, sizeof(entry)); - entry = (iommu_virt_to_phys(iommu->ga_log) & 0xFFFFFFFFFFFFFULL) & ~7ULL; + entry = (iommu_virt_to_phys(iommu->ga_log_tail) & + (BIT_ULL(52)-1)) & ~7ULL; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_TAIL_OFFSET, &entry, sizeof(entry)); writel(0x00, iommu->mmio_base + MMIO_GA_HEAD_OFFSET); |