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path: root/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dpms.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/link_dpms.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
index 53c961f86d43c..8c8682f743d6f 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -140,7 +140,8 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init)
}
}
- if ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)
+ if (((!dc->is_switch_in_progress_dest) && ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)) &&
+ (link->type != dc_connection_none))
dpcd_write_rx_power_ctrl(link, false);
}
}
@@ -842,14 +843,14 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
if (should_use_dto_dscclk)
- dccg->funcs->set_dto_dscclk(dccg, dsc->inst);
+ dccg->funcs->set_dto_dscclk(dccg, dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h);
dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg);
dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst);
for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc;
if (should_use_dto_dscclk)
- dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst);
+ dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h);
odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg);
odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst);
}
@@ -2296,8 +2297,7 @@ static bool allocate_usb4_bandwidth_for_stream(struct dc_stream_state *stream, i
link->dpia_bw_alloc_config.remote_sink_req_bw[sink_index] = bw;
}
- /* get dp overhead for dp tunneling */
- link->dpia_bw_alloc_config.dp_overhead = link_dp_dpia_get_dp_overhead_in_dp_tunneling(link);
+ link->dpia_bw_alloc_config.dp_overhead = link_dpia_get_dp_overhead(link);
req_bw += link->dpia_bw_alloc_config.dp_overhead;
link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw);
@@ -2374,7 +2374,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
update_psp_stream_config(pipe_ctx, true);
dc->hwss.blank_stream(pipe_ctx);
- if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+ if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation)
deallocate_usb4_bandwidth(pipe_ctx->stream);
if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
@@ -2442,7 +2442,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
if (link->connector_signal == SIGNAL_TYPE_EDP && dc->debug.psp_disabled_wa) {
/* reset internal save state to default since eDP is off */
enum dp_panel_mode panel_mode = dp_get_panel_mode(pipe_ctx->stream->link);
- /* since current psp not loaded, we need to reset it to default*/
+ /* since current psp not loaded, we need to reset it to default */
link->panel_mode = panel_mode;
}
}
@@ -2537,6 +2537,14 @@ void link_set_dpms_on(
!pipe_ctx->next_odm_pipe) {
pipe_ctx->stream->dpms_off = false;
update_psp_stream_config(pipe_ctx, false);
+
+ if (link->is_dds) {
+ uint32_t post_oui_delay = 30; // 30ms
+
+ dpcd_set_source_specific_data(link);
+ msleep(post_oui_delay);
+ }
+
return;
}
@@ -2620,7 +2628,7 @@ void link_set_dpms_on(
if (dc_is_dp_signal(pipe_ctx->stream->signal))
dp_set_hblank_reduction_on_rx(pipe_ctx);
- if (pipe_ctx->stream->link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA)
+ if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation)
allocate_usb4_bandwidth(pipe_ctx->stream);
if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
@@ -2629,6 +2637,15 @@ void link_set_dpms_on(
dp_is_128b_132b_signal(pipe_ctx))
update_sst_payload(pipe_ctx, true);
+ /* Corruption was observed on systems with display mux when stream gets
+ * enabled after the mux switch. Having a small delay between link
+ * training and stream unblank resolves the corruption issue.
+ * This is workaround.
+ */
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
+ link->is_display_mux_present)
+ msleep(20);
+
dc->hwss.unblank_stream(pipe_ctx,
&pipe_ctx->stream->link->cur_link_settings);