From: Shaoyun Liu <Shaoyun.Liu@xxxxxxx>
Add dummy function for xgmi function interface with psp
Change-Id: I01f35baf5a4b96e9654d448c9892be3cd72c05b7
Signed-off-by: Shaoyun Liu <Shaoyun.Liu at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index b70cfa3..a0c2d54 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -548,6 +548,32 @@ static int psp_v11_0_mode1_reset(struct psp_context *psp)
return 0;
}
+/* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
+ * For now, return success and hack the hive_id so high level code can
+ * start testing */
+static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp,
+ int number_devices, struct psp_xgmi_topology_info *topology)
+{
+ return 0;
+}
+
+static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
+ int number_devices, struct psp_xgmi_topology_info *topology)
+{
+ return 0;
+}
+
+static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp)
+{
+ u64 hive_id = 0;
+
+ /* Remove me when we can get correct hive_id through PSP */
+ if (psp->adev->gmc.xgmi.num_physical_nodes)
+ hive_id = 0x123456789abcdef;
+
+ return hive_id;
+}
+
static const struct psp_funcs psp_v11_0_funcs = {
.init_microcode = psp_v11_0_init_microcode,
.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
@@ -560,6 +586,9 @@ static const struct psp_funcs psp_v11_0_funcs = {
.cmd_submit = psp_v11_0_cmd_submit,
.compare_sram_data = psp_v11_0_compare_sram_data,
.mode1_reset = psp_v11_0_mode1_reset,
+ .xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
+ .xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
+ .xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
};
void psp_v11_0_set_psp_funcs(struct psp_context *psp)
--
2.7.4
