diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index f00e6a6c254a..67cb472d188c 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -2740,7 +2740,10 @@ int kv_dpm_init(struct radeon_device *rdev) pi->caps_sclk_ds = true; pi->enable_auto_thermal_throttling = true; pi->disable_nb_ps3_in_battery = false; - pi->bapm_enable = true; + if (radeon_bapm == 0) + pi->bapm_enable = false; + else + pi->bapm_enable = true; pi->voltage_drop_t = 0; pi->caps_sclk_throttle_low_notification = false; pi->caps_fps = false; /* true? */ diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 2a085d65b659..a7861a4ba340 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -103,6 +103,7 @@ extern int radeon_hard_reset; extern int radeon_vm_size; extern int radeon_vm_block_size; extern int radeon_deep_color; +extern int radeon_bapm; /* * Copy from radeon_drv.h so we don't have to include both and have conflicting diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index a089abb76363..1c5c88c2209b 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -176,6 +176,7 @@ int radeon_hard_reset = 0; int radeon_vm_size = 4; int radeon_vm_block_size = 9; int radeon_deep_color = 0; +int radeon_bapm = -1; MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); module_param_named(no_wb, radeon_no_wb, int, 0444); @@ -252,6 +253,9 @@ module_param_named(vm_block_size, radeon_vm_block_size, int, 0444); MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); module_param_named(deep_color, radeon_deep_color, int, 0444); +MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)"); +module_param_named(bapm, radeon_bapm, int, 0444); + static struct pci_device_id pciidlist[] = { radeon_PCI_IDS }; diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 32e50be9c4ac..57f780053b3e 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1874,16 +1874,22 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - /* There are stability issues reported on with - * bapm enabled when switching between AC and battery - * power. At the same time, some MSI boards hang - * if it's not enabled and dpm is enabled. Just enable - * it for MSI boards right now. - */ - if (rdev->pdev->subsystem_vendor == 0x1462) - pi->enable_bapm = true; - else + if (radeon_bapm == -1) { + /* There are stability issues reported on with + * bapm enabled when switching between AC and battery + * power. At the same time, some MSI boards hang + * if it's not enabled and dpm is enabled. Just enable + * it for MSI boards right now. + */ + if (rdev->pdev->subsystem_vendor == 0x1462) + pi->enable_bapm = true; + else + pi->enable_bapm = false; + } else if (radeon_bapm == 0) { 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;