[Intel-gfx] [PATCH 1/2] drm/i915: Disallow interlaced modes on g4x DP outputs

Ville Syrjala ville.syrjala at linux.intel.com
Wed Jun 13 16:05:52 UTC 2018


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

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 at vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 40ffd9163175..6068986fd985 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1869,7 +1869,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 						conn_state->scaling_mode);
 	}
 
-	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+	if (HAS_GMCH_DISPLAY(dev_priv) &&
 	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
 		return false;
 
@@ -6351,7 +6351,7 @@ 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;
 
-- 
2.16.4



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