drm/amdgpu: support backlight control for UNIPHY3

commit dba6c4fa26ccf47661be5b68dba87e746fa137d8 upstream.

Same interface as other UNIPHY blocks

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 1cd6de575305aa3f657fa1a7f5a70232b272d739..542517d4e5840139b69d2c5e5f144d50b33e625c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -98,6 +98,7 @@ amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encode
                case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
                case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+               case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
                        if (dig->backlight_level == 0)
                                amdgpu_atombios_encoder_setup_dig_transmitter(encoder,
                                                                       ATOM_TRANSMITTER_ACTION_LCD_BLOFF, 0, 0);