Commit d1826081 authored by Grigory Vasilyev's avatar Grigory Vasilyev Committed by Alex Deucher
Browse files

drm/amdgpu: Remove leftover igp_lane_info 



Variable igp_lane_info always is 0. 0 & any value = 0 and false.
In this way, all сonditional statements will false.

The code was leftover from when the code was ported from radeon
where igp_lane_info was derived from the vbios on supported
platforms.

[update commit message - Alex]

Signed-off-by: default avatarGrigory Vasilyev <h0tc0d3@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b0778bb0

drivers/gpu/drm/amd/amdgpu/atombios_encoders.c

+0 −21
Original line number Diff line number Diff line
@@ -765,7 +765,6 @@ 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;
@@ -848,26 +847,6 @@ 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