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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:27 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:50 +0100
commit65ffc51aba406636a901b02067287d8535c02417 (patch)
tree206de4631c3f7d61ea552e50bde2841c558c7812 /drivers/iommu/amd_iommu_init.c
parentd7a86dffc280cb5a2a18975d46c7b9d89b025c7e (diff)
parent1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
-rw-r--r--drivers/iommu/amd_iommu_init.c3
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);