From: Ben Goz <ben....@amd.com>
This is needed for enabling a user-mode workaround for an AQL queue
wrapping HW bug on Tonga.
Signed-off-by: Ben Goz <ben....@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehl...@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++++
drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 80bc71d..e7daf2c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -455,6 +455,10 @@ static ssize_t node_show(struct kobject *kobj, struct
attribute *attr,
HSA_CAP_WATCH_POINTS_TOTALBITS_MASK);
}
+ if (dev->gpu->device_info->asic_family == CHIP_TONGA)
+ dev->node_props.capability |=
+ HSA_CAP_AQL_QUEUE_DOUBLE_MAP;
+
sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute",
dev->node_props.max_engine_clk_fcompute);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index b9f3142..53fca1f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -45,6 +45,7 @@
#define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0
#define HSA_CAP_DOORBELL_TYPE_1_0 0x1
+#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
struct kfd_node_properties {
uint32_t cpu_cores_count;
--
2.7.4
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