diff options
| author | Alex Deucher | 2018-08-14 21:53:52 +0200 |
|---|---|---|
| committer | Alex Deucher | 2018-08-27 18:11:15 +0200 |
| commit | 11c3ee48bd7c232c0a750b4dde8ee48f315dcdf3 (patch) | |
| tree | 49355f0f09b5f06fa3b4bc00c8f0c3bd6bb3bfa7 /drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | |
| parent | drm/amdgpu: Don't use kiq in gpu reset (diff) | |
| download | kernel-qcow2-linux-11c3ee48bd7c232c0a750b4dde8ee48f315dcdf3.tar.gz kernel-qcow2-linux-11c3ee48bd7c232c0a750b4dde8ee48f315dcdf3.tar.xz kernel-qcow2-linux-11c3ee48bd7c232c0a750b4dde8ee48f315dcdf3.zip | |
drm/amdgpu/display: add support for LVDS (v5)
This adds support for LVDS displays.
v2: add support for spread spectrum, sink detect
v3: clean up enable_lvds_output
v4: fix up link_detect
v5: remove assert on 888 format
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105880
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 91642e684858..c47c81883d3c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -674,6 +674,28 @@ static void dce110_stream_encoder_dvi_set_stream_attribute( dce110_stream_encoder_set_stream_attribute_helper(enc110, crtc_timing); } +/* setup stream encoder in LVDS mode */ +static void dce110_stream_encoder_lvds_set_stream_attribute( + struct stream_encoder *enc, + struct dc_crtc_timing *crtc_timing) +{ + struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc); + struct bp_encoder_control cntl = {0}; + + cntl.action = ENCODER_CONTROL_SETUP; + cntl.engine_id = enc110->base.id; + cntl.signal = SIGNAL_TYPE_LVDS; + cntl.enable_dp_audio = false; + cntl.pixel_clock = crtc_timing->pix_clk_khz; + cntl.lanes_number = LANE_COUNT_FOUR; + + if (enc110->base.bp->funcs->encoder_control( + enc110->base.bp, &cntl) != BP_RESULT_OK) + return; + + ASSERT(crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB); +} + static void dce110_stream_encoder_set_mst_bandwidth( struct stream_encoder *enc, struct fixed31_32 avg_time_slots_per_mtp) @@ -1564,6 +1586,8 @@ static const struct stream_encoder_funcs dce110_str_enc_funcs = { dce110_stream_encoder_hdmi_set_stream_attribute, .dvi_set_stream_attribute = dce110_stream_encoder_dvi_set_stream_attribute, + .lvds_set_stream_attribute = + dce110_stream_encoder_lvds_set_stream_attribute, .set_mst_bandwidth = dce110_stream_encoder_set_mst_bandwidth, .update_hdmi_info_packets = |