diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index e439f9d7c3f1..1cd6b9f4a568 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -51,6 +51,7 @@ #include <drm/drm_hdcp.h> #endif #include "amdgpu_pm.h" +#include "amdgpu_atombios.h" #include "amd_shared.h" #include "amdgpu_dm_irq.h" @@ -3925,6 +3926,9 @@ static int amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm, caps = dm->backlight_caps[bl_idx]; dm->brightness[bl_idx] = user_brightness; + /* update scratch register */ + if (bl_idx == 0) + amdgpu_atombios_scratch_regs_set_backlight_level(dm->adev, dm->brightness[bl_idx]); brightness = convert_brightness_from_user(&caps, dm->brightness[bl_idx]); link = (struct dc_link *)dm->backlight_link[bl_idx]; |