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: Grigory Vasilyev <h0tc0d3@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index a92d86e12718f69c5a5d27176600b0f382c9851e..d4f5a584075d7a761ee6038d2ed9a694bcdeb1fa 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -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