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drm/amd/display: Fix noise issue on HDMI AV mute
[Why] When mode switching is triggered there is momentary noise visible on some HDMI TV or displays. [How] Wait for 2 frames to make sure we have enough time to send out AV mute and sink receives a full frame. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Acked-by: Wayne Lin <wayne.lin@amd.com> Signed-off-by: Leo Ma <hanghong.ma@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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parent
cf8c498694
commit
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1 changed files with 11 additions and 1 deletions
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@ -812,10 +812,20 @@ void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
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if (pipe_ctx == NULL)
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return;
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if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL)
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if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL) {
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pipe_ctx->stream_res.stream_enc->funcs->set_avmute(
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pipe_ctx->stream_res.stream_enc,
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enable);
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/* Wait for two frame to make sure AV mute is sent out */
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if (enable) {
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pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
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pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
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pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
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pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
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pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
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}
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}
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}
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void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx)
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