diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 6ef7f22c1152..af7fae7907d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -849,12 +849,13 @@ module_param_named(visualconfirm, amdgpu_dc_visual_confirm, uint, 0444); * the ABM algorithm, with 1 being the least reduction and 4 being the most * reduction. * - * Defaults to 0, or disabled. Userspace can still override this level later - * after boot. + * Defaults to -1, or disabled. Userspace can only override this level after + * boot if it's set to auto. */ -uint amdgpu_dm_abm_level; -MODULE_PARM_DESC(abmlevel, "ABM level (0 = off (default), 1-4 = backlight reduction level) "); -module_param_named(abmlevel, amdgpu_dm_abm_level, uint, 0444); +int amdgpu_dm_abm_level = -1; +MODULE_PARM_DESC(abmlevel, + "ABM level (0 = off, 1-4 = backlight reduction level, -1 auto (default))"); +module_param_named(abmlevel, amdgpu_dm_abm_level, int, 0444); int amdgpu_backlight = -1; MODULE_PARM_DESC(backlight, "Backlight control (0 = pwm, 1 = aux, -1 auto (default))"); |