diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 23 |
1 files changed, 13 insertions, 10 deletions
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 abcb06044e6e..52bdbf2d50f5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -1214,6 +1214,17 @@ void dcn20_pipe_control_lock( !flip_immediate) dcn20_setup_gsl_group_as_lock(dc, pipe, false); + + // If changing VTG FP2: wait until back in vactive to program FP2 + // Need to ensure that pipe unlock happens soon after to minimize race condition + if (!lock && pipe->update_flags.bits.global_sync) { + pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VBLANK); + pipe->stream_res.tg->funcs->wait_for_state(pipe->stream_res.tg, CRTC_STATE_VACTIVE); + + pipe->stream_res.tg->funcs->set_vtg_params( + pipe->stream_res.tg, &pipe->stream->timing, true); + } + if (pipe->stream && should_use_dmub_lock(pipe->stream->link)) { union dmub_hw_lock_flags hw_locks = { 0 }; struct dmub_hw_lock_inst_flags inst_flags = { 0 }; @@ -1595,7 +1606,7 @@ static void dcn20_program_pipe( pipe_ctx->pipe_dlg_param.vupdate_width); pipe_ctx->stream_res.tg->funcs->set_vtg_params( - pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); + pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false); if (hws->funcs.setup_vupdate_interrupt) hws->funcs.setup_vupdate_interrupt(dc, pipe_ctx); @@ -1695,14 +1706,6 @@ void dcn20_program_front_end_for_ctx( && context->res_ctx.pipe_ctx[i].stream) hws->funcs.blank_pixel_data(dc, &context->res_ctx.pipe_ctx[i], true); - /* wait for outstanding pending changes before adding or removing planes */ - for (i = 0; i < dc->res_pool->pipe_count; i++) { - if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable || - context->res_ctx.pipe_ctx[i].update_flags.bits.enable) { - dc->hwss.wait_for_pending_cleared(dc, context); - break; - } - } /* Disconnect mpcc */ for (i = 0; i < dc->res_pool->pipe_count; i++) @@ -1856,7 +1859,7 @@ bool dcn20_update_bandwidth( pipe_ctx->pipe_dlg_param.vupdate_width); pipe_ctx->stream_res.tg->funcs->set_vtg_params( - pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); + pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false); if (pipe_ctx->prev_odm_pipe == NULL) hws->funcs.blank_pixel_data(dc, pipe_ctx, blank); |