diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp_mst.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index be124928ca14..7e6f12597a6c 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -38,7 +38,7 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, struct intel_dp *intel_dp = &intel_dig_port->dp; struct drm_device *dev = encoder->base.dev; int bpp; - int lane_count, slots; + int lane_count, slots, rate; struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; struct intel_connector *found = NULL, *intel_connector; int mst_pbn; @@ -52,11 +52,21 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, * seem to suggest we should do otherwise. */ lane_count = drm_dp_max_lane_count(intel_dp->dpcd); - intel_dp->link_bw = intel_dp_max_link_bw(intel_dp); + + rate = intel_dp_max_link_rate(intel_dp); + + if (intel_dp->num_supported_rates) { + intel_dp->link_bw = 0; + intel_dp->rate_select = intel_dp_rate_select(intel_dp, rate); + } else { + intel_dp->link_bw = drm_dp_link_rate_to_bw_code(rate); + intel_dp->rate_select = 0; + } + intel_dp->lane_count = lane_count; pipe_config->pipe_bpp = 24; - pipe_config->port_clock = drm_dp_bw_code_to_link_rate(intel_dp->link_bw); + pipe_config->port_clock = rate; for_each_intel_connector(dev, intel_connector) { if (intel_connector->new_encoder == encoder) { |