1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 2a2822c03329..20da6ff183df 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1874,7 +1874,15 @@ int trinity_dpm_init(struct radeon_device *rdev)
         for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
                 pi->at[i] = TRINITY_AT_DFLT;
 
-        pi->enable_bapm = false;
+        /* There are stability issues reported on latops with
+         * bapm installed when switching between AC and battery
+         * power.  At the same time, some desktop boards hang
+         * if it's not enabled and dpm is enabled.
+         */
+        if (rdev->flags & RADEON_IS_MOBILITY)
+                pi->enable_bapm = false;
+        else
+                pi->enable_bapm = true;
         pi->enable_nbps_policy = true;
         pi->enable_sclk_ds = true;
         pi->enable_gfx_power_gating = true;