diff options
| author |   Taimur Hassan <syed.hassan@amd.com> | 2023-07-17 12:28:03 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2023-08-07 16:35:45 -0400 |
| commit | 927e784c180c942bc7f5aa7164a55ac23ec746b8 (patch) | |
| tree | 08ed2e2d8ea4c78e2c434c79e246cf3098b3ded4 /drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | |
| parent | drm/amdgpu/discovery: add ih 6.1.0 support (diff) | |
| download | wireguard-linux-927e784c180c942bc7f5aa7164a55ac23ec746b8.tar.xz wireguard-linux-927e784c180c942bc7f5aa7164a55ac23ec746b8.zip | |
drm/amd/display: Add symclk enable/disable during stream enable/disable
[Why & How]
Using dig_stream_mapper, program symclk_en and symclk_fe_src_sel when
enabling or disabling the corresponding stream.
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index e32d3246e82a..e0a73d99b784 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -2719,6 +2719,8 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx) struct dce_hwseq *hws = dc->hwseq; unsigned int k1_div = PIXEL_RATE_DIV_NA; unsigned int k2_div = PIXEL_RATE_DIV_NA; + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link); + struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc; if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) { if (dc->hwseq->funcs.setup_hpo_hw_control) @@ -2738,7 +2740,9 @@ void dcn20_enable_stream(struct pipe_ctx *pipe_ctx) dto_params.timing = &pipe_ctx->stream->timing; dto_params.ref_dtbclk_khz = dc->clk_mgr->funcs->get_dtb_ref_clk_frequency(dc->clk_mgr); dccg->funcs->set_dtbclk_dto(dccg, &dto_params); - } + } else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST && dccg->funcs->enable_symclk_se) + dccg->funcs->enable_symclk_se(dccg, + stream_enc->stream_enc_inst, link_enc->transmitter - TRANSMITTER_UNIPHY_A); if (hws->funcs.calculate_dccg_k1_k2_values && dc->res_pool->dccg->funcs->set_pixel_rate_div) { hws->funcs.calculate_dccg_k1_k2_values(pipe_ctx, &k1_div, &k2_div); |