[PATCH 13/13] drm/amdkfd: Set correct doorbell packet type for Carrizo

[Oded Gabbay]

From: Ben Goz <ben....@amd.com>

Signed-off-by: Ben Goz <ben.goz at amd.com>
Reviewed-by: Yair Shachar <yair.shachar at amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 5 +++++
 drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index e469c4b..155be78 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 989624b..c3ddb9b 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;
-- 
2.4.3