diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 30 |
1 files changed, 18 insertions, 12 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 260c0b62d37d..a09119c10d7c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -851,18 +851,12 @@ static bool dc_link_detect_helper(struct dc_link *link, if (memcmp(&link->dpcd_caps, &prev_dpcd_caps, sizeof(struct dpcd_caps))) same_dpcd = false; } - /* Active dongle plug in without display or downstream unplug*/ + /* Active dongle downstream unplug*/ if (link->type == dc_connection_active_dongle && link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) { - if (prev_sink != NULL) { + if (prev_sink != NULL) /* Downstream unplug */ dc_sink_release(prev_sink); - } else { - /* Empty dongle plug in */ - dp_verify_link_cap_with_retries(link, - &link->reported_link_cap, - LINK_TRAINING_MAX_VERIFY_RETRY); - } return true; } @@ -969,8 +963,7 @@ static bool dc_link_detect_helper(struct dc_link *link, same_edid = is_same_edid(&prev_sink->dc_edid, &sink->dc_edid); if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT && - sink_caps.transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX && - reason != DETECT_REASON_HPDRX) { + sink_caps.transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX) { /* * TODO debug why Dell 2413 doesn't like * two link trainings @@ -2882,7 +2875,16 @@ enum dc_status dc_link_reallocate_mst_payload(struct dc_link *link) // Clear all of MST payload then reallocate 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 && + + /* driver enable split pipe for external monitors + * we have to check pipe_ctx is split pipe or not + * If it's split pipe, driver using top pipe to + * reaallocate. + */ + if (!pipe_ctx || pipe_ctx->top_pipe) + continue; + + if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->stream->dpms_off == false && pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { deallocate_mst_payload(pipe_ctx); @@ -2891,7 +2893,11 @@ enum dc_status dc_link_reallocate_mst_payload(struct dc_link *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 && + + if (!pipe_ctx || pipe_ctx->top_pipe) + continue; + + if (pipe_ctx->stream && pipe_ctx->stream->link == link && pipe_ctx->stream->dpms_off == false && pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { /* enable/disable PHY will clear connection between BE and FE |