diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2017-08-21 12:59:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:17:00 -0400 |
| commit | a0c38ebaa1fe99ea8d112d808d84a2e75194fcf6 (patch) | |
| tree | 451d8c6a79f438df8811eaa8bd792a6d9222650d /drivers/gpu/drm | |
| parent | 7fb77c51f3b8e91499b6fd1973804c9230d2d8d3 (diff) | |
drm/amd/display: write dpcd 0x600 to 2 for DP/eDP when powerdown
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h | 1 |
3 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index ee9b98472029..0bdd41ca8799 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1977,7 +1977,7 @@ bool dc_link_setup_psr(struct dc_link *link, #if defined(CONFIG_DRM_AMD_DC_DCN1_0) /*skip power down the single pipe since it blocks the cstate*/ if (ASIC_REV_IS_RAVEN(link->ctx->asic_id.hw_internal_rev)) - psr_context->psr_level.bits.SKIP_SINGLE_OTG_DISABLE = false; + psr_context->psr_level.bits.SKIP_CRTC_DISABLE = true; #endif /* SMU will perform additional powerdown sequence. diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 7516c198d13a..8ba61b9b8792 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1147,8 +1147,16 @@ static enum dc_status apply_single_controller_ctx_to_hw( static void power_down_encoders(struct dc *dc) { int i; - + enum connector_id connector_id; for (i = 0; i < dc->link_count; i++) { + connector_id = dal_graphics_object_id_get_connector_id(dc->links[i]->link_id); + if ((connector_id == CONNECTOR_ID_DISPLAY_PORT) || + (connector_id == CONNECTOR_ID_EDP)) { + + if (!dc->links[i]->wa_flags.dp_keep_receiver_powered) + dp_receiver_power_ctrl(dc->links[i], false); + } + dc->links[i]->link_enc->funcs->disable_output( dc->links[i]->link_enc, SIGNAL_TYPE_NONE); } diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h index d710f6e6dc07..ac418fd83894 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h @@ -67,5 +67,6 @@ void dce110_fill_display_configs( uint32_t dce110_get_min_vblank_time_us(const struct validate_context *context); +void dp_receiver_power_ctrl(struct dc_link *link, bool on); #endif /* __DC_HWSS_DCE110_H__ */ |