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drm/amd/display: VBIOS can't be light up HDMI when restart system
[Why] VBIOS will not post pixel rate > 340MHz. If driver set pixel rate > 340MHz and do restart bottom, VBIOS can't post HDMI monitor due to monitor is stay in HDMI2.0 state. [How] Program Scrambling_Enable and TMDS_Bit_Clock_Ratio when disable stream. Signed-off-by: Paul Hsieh <paul.hsieh@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -2660,12 +2660,18 @@ void core_link_enable_stream(
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void core_link_disable_stream(struct pipe_ctx *pipe_ctx, int option)
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{
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struct dc *core_dc = pipe_ctx->stream->ctx->dc;
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struct dc_stream_state *stream = pipe_ctx->stream;
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core_dc->hwss.blank_stream(pipe_ctx);
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if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
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deallocate_mst_payload(pipe_ctx);
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if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
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dal_ddc_service_write_scdc_data(
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stream->link->ddc, 0,
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stream->timing.flags.LTE_340MCSC_SCRAMBLE);
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core_dc->hwss.disable_stream(pipe_ctx, option);
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disable_link(pipe_ctx->stream->link, pipe_ctx->stream->signal);
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