drm/radeon/dpm: add bapm callback for kb/kv

This adds the enable_bapm callback for kb/kv.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/kv_dpm.c

@@ -1109,6 +1109,18 @@ static void kv_update_requested_ps(struct radeon_device *rdev,
 	pi->requested_rps.ps_priv = &pi->requested_ps;
 }
 
+void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable)
+{
+	struct kv_power_info *pi = kv_get_pi(rdev);
+	int ret;
+
+	if (pi->bapm_enable) {
+		ret = kv_smc_bapm_enable(rdev, enable);
+		if (ret)
+			DRM_ERROR("kv_smc_bapm_enable failed\n");
+	}
+}
+
 int kv_dpm_enable(struct radeon_device *rdev)
 {
 	struct kv_power_info *pi = kv_get_pi(rdev);
@@ -1772,6 +1784,14 @@ int kv_dpm_set_power_state(struct radeon_device *rdev)
 			     RADEON_CG_BLOCK_BIF |
 			     RADEON_CG_BLOCK_HDP), false);
 
+	if (pi->bapm_enable) {
+		ret = kv_smc_bapm_enable(rdev, rdev->pm.dpm.ac_power);
+		if (ret) {
+			DRM_ERROR("kv_smc_bapm_enable failed\n");
+			return ret;
+		}
+	}
+
 	if (rdev->family == CHIP_KABINI) {
 		if (pi->enable_dpm) {
 			kv_set_valid_clock_range(rdev, new_ps);

drivers/gpu/drm/radeon/radeon_asic.c

@@ -2170,6 +2170,7 @@ static struct radeon_asic kv_asic = {
 		.debugfs_print_current_performance_level = &kv_dpm_debugfs_print_current_performance_level,
 		.force_performance_level = &kv_dpm_force_performance_level,
 		.powergate_uvd = &kv_dpm_powergate_uvd,
+		.enable_bapm = &kv_dpm_enable_bapm,
 	},
 	.pflip = {
 		.pre_page_flip = &evergreen_pre_page_flip,

drivers/gpu/drm/radeon/radeon_asic.h

@@ -785,6 +785,7 @@ void kv_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
 int kv_dpm_force_performance_level(struct radeon_device *rdev,
 				   enum radeon_dpm_forced_level level);
 void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate);
+void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable);
 
 /* uvd v1.0 */
 uint32_t uvd_v1_0_get_rptr(struct radeon_device *rdev,