From: Ville Syrjälä <[email protected]> Only DDI A and E support 10 translation entries in DP mode. For the other ports the tenth entry is reserved for HDMI..
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/intel_ddi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 838cbbe33517..152c813cc43e 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -443,6 +443,10 @@ static void intel_prepare_ddi_buffers(struct drm_i915_private *dev_priv, if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level || dev_priv->vbt.ddi_port_info[port].dp_boost_level) iboost_bit = 1<<31; + + if (WARN_ON(port != PORT_A && + port != PORT_E && n_edp_entries > 9)) + n_edp_entries = 9; } else if (IS_BROADWELL(dev_priv)) { BUILD_BUG_ON(ARRAY_SIZE(bdw_ddi_translations_fdi) != 9); BUILD_BUG_ON(ARRAY_SIZE(bdw_ddi_translations_dp) != 9); @@ -2099,6 +2103,11 @@ static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv, iboost = dp_iboost; } else { ddi_translations = skl_get_buf_trans_edp(dev_priv, &n_entries); + + if (WARN_ON(port != PORT_A && + port != PORT_E && n_entries > 9)) + n_entries = 9; + iboost = ddi_translations[level].i_boost; } } else if (type == INTEL_OUTPUT_HDMI) { -- 2.4.10 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
