diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 21 |
1 files changed, 20 insertions, 1 deletions
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 fb59fed8f425..8c5045711264 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -939,13 +939,32 @@ bool dcn30_does_plane_fit_in_mall(struct dc *dc, struct dc_plane_state *plane, s void dcn30_hardware_release(struct dc *dc) { + bool subvp_in_use = false; + uint32_t i; + dc_dmub_srv_p_state_delegate(dc, false, NULL); + dc_dmub_setup_subvp_dmub_command(dc, dc->current_state, false); + + /* SubVP treated the same way as FPO. If driver disable and + * we are using a SubVP config, disable and force on DCN side + * to prevent P-State hang on driver enable. + */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + if (!pipe->stream) + continue; + + if (pipe->stream->mall_stream_config.type == SUBVP_MAIN) { + subvp_in_use = true; + break; + } + } /* If pstate unsupported, or still supported * by firmware, force it supported by dcn */ if (dc->current_state) - if ((!dc->clk_mgr->clks.p_state_change_support || + if ((!dc->clk_mgr->clks.p_state_change_support || subvp_in_use || dc->current_state->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) && dc->res_pool->hubbub->funcs->force_pstate_change_control) dc->res_pool->hubbub->funcs->force_pstate_change_control( |