From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Wed, 13 Jun 2018 19:05:52 +0300
Subject: drm/i915: Disallow interlaced modes on g4x DP outputs
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Git-commit: 1e34f1d36804be1a446212a33ca5397bf0e5acdd
Patch-mainline: v4.18-rc2
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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
(cherry picked from commit 929168c5f3df5d9ea0ef426c33e971157d045eab)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/intel_dp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1868,7 +1868,7 @@ intel_dp_compute_config(struct intel_enc
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;
@@ -6343,7 +6343,7 @@ intel_dp_init_connector(struct intel_dig
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;