diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 331a7517176b..644005846433 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3536,3 +3536,57 @@ void dc_disable_accelerated_mode(struct dc *dc) { bios_set_scratch_acc_mode_change(dc->ctx->dc_bios, 0); } + + +/** + ***************************************************************************** + * dc_notify_vsync_int_state() - notifies vsync enable/disable state + * @dc: dc structure + * @stream: stream where vsync int state changed + * @enable: whether vsync is enabled or disabled + * + * Called when vsync is enabled/disabled + * Will notify DMUB to start/stop ABM interrupts after steady state is reached + * + ***************************************************************************** + */ +void dc_notify_vsync_int_state(struct dc *dc, struct dc_stream_state *stream, bool enable) +{ + int i; + int edp_num; + struct pipe_ctx *pipe = NULL; + struct dc_link *link = stream->sink->link; + struct dc_link *edp_links[MAX_NUM_EDP]; + + + if (link->psr_settings.psr_feature_enabled) + return; + + /*find primary pipe associated with stream*/ + for (i = 0; i < MAX_PIPES; i++) { + pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->stream == stream && pipe->stream_res.tg) + break; + } + + if (i == MAX_PIPES) { + ASSERT(0); + return; + } + + get_edp_links(dc, edp_links, &edp_num); + + /* Determine panel inst */ + for (i = 0; i < edp_num; i++) { + if (edp_links[i] == link) + break; + } + + if (i == edp_num) { + return; + } + + if (pipe->stream_res.abm && pipe->stream_res.abm->funcs->set_abm_pause) + pipe->stream_res.abm->funcs->set_abm_pause(pipe->stream_res.abm, !enable, i, pipe->stream_res.tg->inst); +} |