On CNL SKUs that uses port F, max DP rate is 8.1G for all ports when we have the elevated voltage.
v2: Make commit message more generic. Cc: Manasi Navare <[email protected]> Signed-off-by: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/intel_dp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 4d520c6b766a..eced3281cb2f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -248,8 +248,9 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) source_rates = cnl_rates; size = ARRAY_SIZE(cnl_rates); voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - if (port == PORT_A || port == PORT_D || - voltage == VOLTAGE_INFO_0_85V) + if (voltage == VOLTAGE_INFO_0_85V || + (!IS_CNL_WITH_PORT_F(dev_priv) && (port == PORT_A || + port == PORT_D))) size -= 2; } else if (IS_GEN9_BC(dev_priv)) { source_rates = skl_rates; -- 2.13.5 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
