diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 0d3ea291eeee..5b4b16326ddf 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1782,6 +1782,7 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) struct dc_stream_state *edp_streams[MAX_NUM_EDP]; struct dc_link *edp_link_with_sink = NULL; struct dc_link *edp_link = NULL; + struct pipe_ctx *pipe_ctx = NULL; struct dce_hwseq *hws = dc->hwseq; int edp_with_sink_num; int edp_num; @@ -1818,9 +1819,26 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) can_apply_edp_fast_boot = dc_validate_boot_timing(dc, edp_stream->sink, &edp_stream->timing); edp_stream->apply_edp_fast_boot_optimization = can_apply_edp_fast_boot; - if (can_apply_edp_fast_boot) - DC_LOG_EVENT_LINK_TRAINING("eDP fast boot disabled to optimize link rate\n"); - + if (can_apply_edp_fast_boot) { + DC_LOG_EVENT_LINK_TRAINING("eDP fast boot Enable\n"); + + // Vbios & Driver support different pixel rate div policy. + pipe_ctx = resource_get_otg_master_for_stream(&context->res_ctx, edp_stream); + if (pipe_ctx && + hws->funcs.is_dp_dig_pixel_rate_div_policy && + hws->funcs.is_dp_dig_pixel_rate_div_policy(pipe_ctx)) { + // Get Vbios div factor from register + dc->res_pool->dccg->funcs->get_pixel_rate_div( + dc->res_pool->dccg, + pipe_ctx->stream_res.tg->inst, + &pipe_ctx->pixel_rate_divider.div_factor1, + &pipe_ctx->pixel_rate_divider.div_factor2); + + // VBios doesn't support pixel rate div, so force it. + // If VBios supports it, we check it from reigster or other flags. + pipe_ctx->pixel_per_cycle = 1; + } + } break; } } |