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-rw-r--r--drivers/gpu/drm/radeon/cikd.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_kfd.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index ba85986febea..03003f8a6de6 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -2156,4 +2156,6 @@
#define ATC_VM_APERTURE1_HIGH_ADDR 0x330Cu
#define ATC_VM_APERTURE1_LOW_ADDR 0x3304u
+#define IH_VMID_0_LUT 0x3D40u
+
#endif
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index a55afbadc65f..8bf87f1203cc 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -390,6 +390,10 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
cpu_relax();
write_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
+ /* Mapping vmid to pasid also for IH block */
+ write_register(kgd, IH_VMID_0_LUT + vmid * sizeof(uint32_t),
+ pasid_mapping);
+
return 0;
}