From: Ville Syrjälä <[email protected]> If intel_dp_compute_config() fails it may not have populated crtc_state->lane_count, which means bxt_ddi_phy_calc_lane_lat_optim_mask() may end up with a MISSING_CASE(). Bail out immediately if intel_dp_compute_config() (or the HDMI counterpart) fails so that we avoid triggeringing this MISSING_CASE warning.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109373 Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/intel_ddi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 3ae55274056c..3733e5858e08 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3857,6 +3857,8 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state); else ret = intel_dp_compute_config(encoder, pipe_config, conn_state); + if (ret) + return ret; if (IS_GEN9_LP(dev_priv) && ret) pipe_config->lane_lat_optim_mask = @@ -3864,7 +3866,7 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, intel_ddi_compute_min_voltage_level(dev_priv, pipe_config); - return ret; + return 0; } -- 2.21.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
