diff options
| author | Alvin Lee <Alvin.Lee2@amd.com> | 2022-09-01 19:03:31 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-19 15:12:44 -0400 |
| commit | b0f5b1004ef8fbdd7cb314fe0bbbc115beae057a (patch) | |
| tree | c6501dad8dcb084def2430247a004ae9bdc798c4 /drivers/gpu/drm/amd/display/dc | |
| parent | b0d6de32e30c635aac22e52357b090982d94df52 (diff) | |
| download | linux-stable-b0f5b1004ef8fbdd7cb314fe0bbbc115beae057a.tar.gz linux-stable-b0f5b1004ef8fbdd7cb314fe0bbbc115beae057a.tar.bz2 linux-stable-b0f5b1004ef8fbdd7cb314fe0bbbc115beae057a.zip | |
drm/amd/display: Disable SubVP on driver disable
[Why and How]
- For driver disable cases in current implementation, if P-State
is unsupported or still supported by firmware, we force it
supported by DCN.
- SubVP now needs to be included in this case along with FPO.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 21 |
2 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h index 9f5b47b9a83d..7e438345b1a8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h @@ -85,6 +85,7 @@ void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv, union dmub_inbox0 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *dmub_oca); +void dc_dmub_setup_subvp_dmub_command(struct dc *dc, struct dc_state *context, bool enable); void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv); #endif /* _DMUB_DC_SRV_H_ */ 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..4a1954fe3f7e 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; + uint8_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( |