diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 1 |
4 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index ddd4dca61cc3..114f77759ebf 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -3078,9 +3078,14 @@ void core_link_enable_stream( if (pipe_ctx->stream->timing.flags.DSC) { if (dc_is_dp_signal(pipe_ctx->stream->signal) || - dc_is_virtual_signal(pipe_ctx->stream->signal)) - dp_set_dsc_enable(pipe_ctx, true); + dc_is_virtual_signal(pipe_ctx->stream->signal)) { + /* Here we only need to enable DSC on RX. DSC HW programming + * was done earlier, as part of timing programming. + */ + dp_set_dsc_on_rx(pipe_ctx, true); + } } + dc->hwss.enable_stream(pipe_ctx); /* Set DPS PPS SDP (AKA "info frames") */ @@ -3107,7 +3112,7 @@ void core_link_enable_stream( } else { // if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) if (dc_is_dp_signal(pipe_ctx->stream->signal) || dc_is_virtual_signal(pipe_ctx->stream->signal)) - dp_set_dsc_enable(pipe_ctx, true); + dp_set_dsc_on_rx(pipe_ctx, true); } } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 51e0ee6e7695..ac2103dec9e7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -394,7 +394,7 @@ static void dsc_optc_config_log(struct display_stream_compressor *dsc, DC_LOG_DSC("\tslice_width %d", config->slice_width); } -static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable) +bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable) { struct dc *dc = pipe_ctx->stream->ctx->dc; struct dc_stream_state *stream = pipe_ctx->stream; 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 b0f61bd7c208..03f0c9914520 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -623,6 +623,13 @@ enum dc_status dcn20_enable_stream_timing( /* TODO check if timing_changed, disable stream if timing changed */ + /* Have to setup DSC here to make sure the bandwidth sent to DIG BE won't be bigger than + * what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag will be automatically + * set at a later time when the video is enabled (DP_VID_STREAM_EN = 1). + */ + if (pipe_ctx->stream->timing.flags.DSC) + dp_set_dsc_on_stream(pipe_ctx, true); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { opp_inst[opp_cnt] = odm_pipe->stream_res.opp->inst; opp_cnt++; diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index e94e5fbf2aa2..64f401e4db54 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -85,6 +85,7 @@ void dp_set_fec_enable(struct dc_link *link, bool enable); bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable); bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable); void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable); +bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable); bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx); #endif /* __DC_LINK_DP_H__ */ |