diff options
| author | Alex Hung <alex.hung@amd.com> | 2023-02-01 18:54:51 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-03 15:42:12 -0400 |
| commit | c6d3c7b6309726fbe93cf595d6de326fb8295a64 (patch) | |
| tree | 853719fb99f30bcdafd6e09f97e3b31e34b95b31 /drivers/gpu | |
| parent | cd1a4bc22821eea9a98f1beddd1a8d789989a720 (diff) | |
drm/amd/display: Add writeback enable/disable in dc
[WHAT]
The enable and disable writeback calls need to be included in the
coressponding functions in dc_stream.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 33 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 4 |
2 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index dad1c85a1df3..8b7f138bce0f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -516,6 +516,25 @@ bool dc_stream_add_writeback(struct dc *dc, struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst]; dwb->otg_inst = stream_status->primary_otg_inst; } + + if (!dc->hwss.update_bandwidth(dc, dc->current_state)) { + dm_error("DC: update_bandwidth failed!\n"); + return false; + } + + /* enable writeback */ + if (dc->hwss.enable_writeback) { + struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst]; + + if (dwb->funcs->is_enabled(dwb)) { + /* writeback pipe already enabled, only need to update */ + dc->hwss.update_writeback(dc, wb_info, dc->current_state); + } else { + /* Enable writeback pipe from scratch*/ + dc->hwss.enable_writeback(dc, wb_info, dc->current_state); + } + } + return true; } @@ -560,6 +579,20 @@ bool dc_stream_remove_writeback(struct dc *dc, } stream->num_wb_info = j; + /* recalculate and apply DML parameters */ + if (!dc->hwss.update_bandwidth(dc, dc->current_state)) { + dm_error("DC: update_bandwidth failed!\n"); + return false; + } + + /* disable writeback */ + if (dc->hwss.disable_writeback) { + struct dwbc *dwb = dc->res_pool->dwbc[dwb_pipe_inst]; + + if (dwb->funcs->is_enabled(dwb)) + dc->hwss.disable_writeback(dc, dwb_pipe_inst); + } + return true; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index fce9b33c0f88..af9a9fc7db48 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -367,6 +367,10 @@ void dcn30_enable_writeback( DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\ __func__, wb_info->dwb_pipe_inst,\ wb_info->mpcc_inst); + + /* Warmup interface */ + dcn30_mmhubbub_warmup(dc, 1, wb_info); + /* Update writeback pipe */ dcn30_set_writeback(dc, wb_info, context); |