drm/amd/pm: unified smu feature cap interface

add a unified interface to provide smu feature cap set.

Signed-off-by: Yang Wang <[e-mail]>
Reviewed-by: Lijo Lazar <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

···
 	smu_power_profile_mode_get(smu, smu->power_profile_mode);
 }
 
+void smu_feature_cap_set(struct smu_context *smu, enum smu_feature_cap_id fea_id)
+{
+	struct smu_feature_cap *fea_cap = &smu->fea_cap;
+
+	if (fea_id >= SMU_FEATURE_CAP_ID__COUNT)
+		return;
+
+	set_bit(fea_id, fea_cap->cap_map);
+}
+
+bool smu_feature_cap_test(struct smu_context *smu, enum smu_feature_cap_id fea_id)
+{
+	struct smu_feature_cap *fea_cap = &smu->fea_cap;
+
+	if (fea_id >= SMU_FEATURE_CAP_ID__COUNT)
+		return false;
+
+	return test_bit(fea_id, fea_cap->cap_map);
+}
+
+static void smu_feature_cap_init(struct smu_context *smu)
+{
+	struct smu_feature_cap *fea_cap = &smu->fea_cap;
+
+	bitmap_zero(fea_cap->cap_map, SMU_FEATURE_CAP_ID__COUNT);
+}
+
 static int smu_sw_init(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
···
 
 	INIT_DELAYED_WORK(&smu->swctf_delayed_work,
 			  smu_swctf_delayed_work_handler);
+
+	smu_feature_cap_init(smu);
 
 	ret = smu_smc_table_sw_init(smu);
 	if (ret) {

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

···
  */
 #define SMU_WBRF_EVENT_HANDLING_PACE	10
 
+enum smu_feature_cap_id {
+	SMU_FEATURE_CAP_ID__COUNT,
+};
+
+struct smu_feature_cap {
+	DECLARE_BITMAP(cap_map, SMU_FEATURE_CAP_ID__COUNT);
+};
+
 struct smu_context {
 	struct amdgpu_device            *adev;
 	struct amdgpu_irq_src		irq_source;
···
 	struct amd_pp_display_configuration  *display_config;
 	struct smu_baco_context		smu_baco;
 	struct smu_temperature_range	thermal_range;
+	struct smu_feature_cap		fea_cap;
 	void *od_settings;
 
 	struct smu_umd_pstate_table	pstate_table;
···
 			       enum pp_pm_policy p_type, char *sysbuf);
 
 #endif
+
+void smu_feature_cap_set(struct smu_context *smu, enum smu_feature_cap_id fea_id);
+bool smu_feature_cap_test(struct smu_context *smu, enum smu_feature_cap_id fea_id);
 #endif