diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 7cbb1efb4f68..27a7d2a58079 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2911,6 +2911,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link) + link->dc->hwss.blank_stream(pipe_ctx); + } + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link) break; } @@ -2927,6 +2933,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) dc_link_reallocate_mst_payload(link); + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link) + link->dc->hwss.unblank_stream(pipe_ctx, &previous_link_settings); + } + status = false; if (out_link_loss) *out_link_loss = true; @@ -4227,6 +4239,21 @@ void dp_set_fec_enable(struct dc_link *link, bool enable) void dpcd_set_source_specific_data(struct dc_link *link) { const uint32_t post_oui_delay = 30; // 30ms + uint8_t dspc = 0; + enum dc_status ret = DC_ERROR_UNEXPECTED; + + ret = core_link_read_dpcd(link, DP_DOWN_STREAM_PORT_COUNT, &dspc, + sizeof(dspc)); + + if (ret != DC_OK) { + DC_LOG_ERROR("Error in DP aux read transaction," + " not writing source specific data\n"); + return; + } + + /* Return if OUI unsupported */ + if (!(dspc & DP_OUI_SUPPORT)) + return; if (!link->dc->vendor_signature.is_valid) { struct dpcd_amd_signature amd_signature; |