diff options
| author | Leo (Hanghong) Ma <hanghong.ma@amd.com> | 2021-11-04 16:51:54 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-17 16:58:05 -0500 |
| commit | ebd1e719695824ca2b9225094a669fef35620676 (patch) | |
| tree | 63a0e5af7020d8f38520c31c5b236c0385338c86 /drivers/gpu/drm/amd/display/dc/dcn31 | |
| parent | b97788e504daf4ed455ec35047977a3016355571 (diff) | |
drm/amd/display: Add helper for blanking all dp displays
[Why & How]
1. The code to blank all dp display have been called many times,
so add helpers in dc_link to make it more concise.
2. Add some check to fix the dmesg errors at boot and resume from S3
on dcn3.1 during DQE's promotion test.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c | 38 |
1 files changed, 3 insertions, 35 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index 5dd1ce9ddb53..bdaeb6ebdacb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -112,7 +112,7 @@ void dcn31_init_hw(struct dc *dc) struct dc_bios *dcb = dc->ctx->dc_bios; struct resource_pool *res_pool = dc->res_pool; uint32_t backlight = MAX_BACKLIGHT_LEVEL; - int i, j; + int i; if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks) dc->clk_mgr->funcs->init_clocks(dc->clk_mgr); @@ -202,40 +202,8 @@ void dcn31_init_hw(struct dc *dc) dmub_enable_outbox_notification(dc); /* we want to turn off all dp displays before doing detection */ - if (dc->config.power_down_display_on_boot) { - uint8_t dpcd_power_state = '\0'; - enum dc_status status = DC_ERROR_UNEXPECTED; - - for (i = 0; i < dc->link_count; i++) { - if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT) - continue; - - /* if any of the displays are lit up turn them off */ - status = core_link_read_dpcd(dc->links[i], DP_SET_POWER, - &dpcd_power_state, sizeof(dpcd_power_state)); - if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) { - /* blank dp stream before power off receiver*/ - if (dc->links[i]->ep_type == DISPLAY_ENDPOINT_PHY && - dc->links[i]->link_enc->funcs->get_dig_frontend) { - unsigned int fe; - - fe = dc->links[i]->link_enc->funcs->get_dig_frontend( - dc->links[i]->link_enc); - if (fe == ENGINE_ID_UNKNOWN) - continue; - - for (j = 0; j < dc->res_pool->stream_enc_count; j++) { - if (fe == dc->res_pool->stream_enc[j]->id) { - dc->res_pool->stream_enc[j]->funcs->dp_blank(dc->links[i], - dc->res_pool->stream_enc[j]); - break; - } - } - } - dp_receiver_power_ctrl(dc->links[i], false); - } - } - } + if (dc->config.power_down_display_on_boot) + dc_link_blank_all_dp_displays(dc); /* If taking control over from VBIOS, we may want to optimize our first * mode set, so we need to skip powering down pipes until we know which |