diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 67875b00c8df..af5314229ffe 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -256,6 +256,17 @@ static int cnl_max_source_rate(struct intel_dp *intel_dp) return 810000; } +static int icl_max_source_rate(struct intel_dp *intel_dp) +{ + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum port port = dig_port->base.port; + + if (port == PORT_B) + return 540000; + + return 810000; +} + static void intel_dp_set_source_rates(struct intel_dp *intel_dp) { @@ -285,10 +296,13 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) /* This should only be done once */ WARN_ON(intel_dp->source_rates || intel_dp->num_source_rates); - if (IS_CANNONLAKE(dev_priv)) { + if (INTEL_GEN(dev_priv) >= 10) { source_rates = cnl_rates; size = ARRAY_SIZE(cnl_rates); - max_rate = cnl_max_source_rate(intel_dp); + if (INTEL_GEN(dev_priv) == 10) + max_rate = cnl_max_source_rate(intel_dp); + else + max_rate = icl_max_source_rate(intel_dp); } else if (IS_GEN9_LP(dev_priv)) { source_rates = bxt_rates; size = ARRAY_SIZE(bxt_rates); |