[OEM-5.6][PATCH 16/37] drm/i915: Limit display Wa_1405510057 to gen11

[Timo Aaltonen]

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

BugLink: https://bugs.launchpad.net/bugs/1868727

TGL+ supposedly do not need Wa_1405510057 so limit it to
gen11 only.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128155152.21977-2-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak at intel.com>
(cherry picked from drm-intel-next commit 1c5fad612871212967cec1d8a8954cd606ce687e)
Signed-off-by: Timo Aaltonen <timo.aaltonen at canonical.com>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index eb3944ceb1dc..cd5a9bd1e87a 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2268,9 +2268,9 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
 		}
 	}
 
-	/* Display Wa_1405510057:icl */
+	/* Display Wa_1405510057:icl,ehl */
 	if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
-	    bpc == 10 && INTEL_GEN(dev_priv) >= 11 &&
+	    bpc == 10 && IS_GEN(dev_priv, 11) &&
 	    (adjusted_mode->crtc_hblank_end -
 	     adjusted_mode->crtc_hblank_start) % 8 == 2)
 		return false;
-- 
2.25.1