From: Lijo Lazar <lijo.lazar@xxxxxxx>
Add utility functions to get details of xcp and iterate through
available xcps.
Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Reviewed-by: Le Ma <le.ma@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 12 ++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h | 31 +++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index e8aa4d6c6b62..337d558a3145 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -256,3 +256,15 @@ int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,
return id_mask;
}
+
+int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
+ enum AMDGPU_XCP_IP_BLOCK ip,
+ uint32_t *inst_mask)
+{
+ if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid))
+ return -EINVAL;
+
+ *inst_mask = xcp->ip[ip].inst_mask;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
index 1d3dc7d68f54..45d590d7fd95 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h
@@ -108,4 +108,35 @@ int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode);
int amdgpu_xcp_get_partition(struct amdgpu_xcp_mgr *xcp_mgr,
enum AMDGPU_XCP_IP_BLOCK ip, int instance);
+int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
+ enum AMDGPU_XCP_IP_BLOCK ip,
+ uint32_t *inst_mask);
+
+static inline int amdgpu_xcp_get_num_xcp(struct amdgpu_xcp_mgr *xcp_mgr)
+{
+ if (!xcp_mgr)
+ return 1;
+ else
+ return xcp_mgr->num_xcps;
+}
+
+static inline struct amdgpu_xcp *
+amdgpu_get_next_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int *from)
+{
+ if (!xcp_mgr)
+ return NULL;
+
+ while (*from < MAX_XCP) {
+ if (xcp_mgr->xcp[*from].valid)
+ return &xcp_mgr->xcp[*from];
+ ++(*from);
+ }
+
+ return NULL;
+}
+
+#define for_each_xcp(xcp_mgr, xcp, i) \
+ for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \
+ xcp = amdgpu_get_next_xcp(xcp_mgr, &i))
+
#endif
--
2.40.1
