drm/amd/pm: Avoid interface mismatch messaging

PMFW interface version is not used by some IP implementations like SMU
v13.0.6/12, instead rely on PMFW version checks. Avoid the log if
interface version is not used.

Signed-off-by: Lijo Lazar <[email protected]>
Reviewed-by: Asad Kamal <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Lijo Lazar

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -288,7 +288,8 @@ int smu_v13_0_check_fw_version(struct smu_context *smu)
 	 * Considering above, we just leave user a verbal message instead
 	 * of halt driver loading.
 	 */
-	if (if_version != smu->smc_driver_if_version) {
+	if (smu->smc_driver_if_version != SMU_IGNORE_IF_VERSION &&
+	    if_version != smu->smc_driver_if_version) {
 		dev_info(adev->dev, "smu driver if version = 0x%08x, smu fw if version = 0x%08x, "
 			 "smu fw program = %d, smu fw version = 0x%08x (%d.%d.%d)\n",
 			 smu->smc_driver_if_version, if_version,

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -3933,7 +3933,7 @@ void smu_v13_0_6_set_ppt_funcs(struct smu_context *smu)
 	smu->feature_map = (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 12)) ?
 		smu_v13_0_12_feature_mask_map : smu_v13_0_6_feature_mask_map;
 	smu->table_map = smu_v13_0_6_table_map;
-	smu->smc_driver_if_version = SMU13_0_6_DRIVER_IF_VERSION;
+	smu->smc_driver_if_version = SMU_IGNORE_IF_VERSION;
 	smu->smc_fw_caps |= SMU_FW_CAP_RAS_PRI;
 	smu_v13_0_set_smu_mailbox_registers(smu);
 	smu_v13_0_6_set_temp_funcs(smu);

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h

@@ -40,6 +40,8 @@
 #define SMU_IH_INTERRUPT_CONTEXT_ID_FAN_ABNORMAL        0x8
 #define SMU_IH_INTERRUPT_CONTEXT_ID_FAN_RECOVERY        0x9
 
+#define SMU_IGNORE_IF_VERSION 0xFFFFFFFF
+
 #define smu_cmn_init_soft_gpu_metrics(ptr, frev, crev)                   \
 	do {                                                             \
 		typecheck(struct gpu_metrics_v##frev##_##crev *, (ptr)); \