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drm/i915: Disallow interlaced modes on g4x DP outputs

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Looks like interlaced DP output doesn't work on g4x either. Not all
that surprising considering we already established that interlaced
DP output is busted on VLV/CHV.

Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180613160553.11664-1-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2018-06-13 19:05:52 +03:00
parent 132c27c97c
commit 929168c5f3
1 changed files with 2 additions and 2 deletions
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drivers/gpu/drm/i915/intel_dp.c
+2 -2
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@@ -1875,7 +1875,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
return false;
if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
if (HAS_GMCH_DISPLAY(dev_priv) &&
adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
return false;
@@ -6357,7 +6357,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
if (!HAS_GMCH_DISPLAY(dev_priv))
connector->interlace_allowed = true;
connector->doublescan_allowed = 0;