drm/amdkfd: Set correct doorbell packet type for Carrizo

Signed-off-by: Ben Goz <ben.goz@amd.com>
Reviewed-by: Yair Shachar <yair.shachar@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index c25728bc388a..74909e72a009 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1186,6 +1186,11 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
          * TODO: Retrieve max engine clock values from KGD
          */
 
+        if (dev->gpu->device_info->asic_family == CHIP_CARRIZO) {
+                dev->node_props.capability |= HSA_CAP_DOORBELL_PACKET_TYPE;
+                pr_info("amdkfd: adding doorbell packet type capability\n");
+        }
+
         res = 0;
 
 err:
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index 989624b3cd14..c3ddb9b95ff8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -40,6 +40,7 @@
 #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK     0x00000f00
 #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT    8
 #define HSA_CAP_RESERVED                        0xfffff000
+#define HSA_CAP_DOORBELL_PACKET_TYPE            0x00001000
 
 struct kfd_node_properties {
         uint32_t cpu_cores_count;