Variable igp_lane_info always is 0. 0 & any value = 0 and false. In this way, all сonditional statements will false. Therefore, it is not clear what this code does.
Signed-off-by: Grigory Vasilyev h0tc0d3@gmail.com --- .../gpu/drm/amd/amdgpu/atombios_encoders.c | 21 ------------------- 1 file changed, 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 2b0cc793291c..100bad2f5901 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -769,7 +769,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a int dp_clock = 0; int dp_lane_count = 0; int connector_object_id = 0; - int igp_lane_info = 0; int dig_encoder = dig->dig_encoder; int hpd_id = AMDGPU_HPD_NONE;
@@ -852,26 +851,6 @@ amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int a else args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;
- if ((adev->flags & AMD_IS_APU) && - (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) { - if (is_dp || - !amdgpu_dig_monitor_is_duallink(encoder, amdgpu_encoder->pixel_clock)) { - if (igp_lane_info & 0x1) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3; - else if (igp_lane_info & 0x2) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7; - else if (igp_lane_info & 0x4) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11; - else if (igp_lane_info & 0x8) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15; - } else { - if (igp_lane_info & 0x3) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7; - else if (igp_lane_info & 0xc) - args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15; - } - } - if (dig->linkb) args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB; else