[v2] drm/i915/display: Extend DP HDR support to hsw+

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HSW+ platforms are able to send out HDR Metadata SDP DIP
packet as GMP. Hence, extending the support for HDR on DP
encoders for the same.

v2: Limited to non eDP ports on hsw/bdw and removed it for
lspcon as it is done separately (suggested by Ville)

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5389
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 9e19165fd175..09382b6133bc 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4939,10 +4939,12 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 		intel_attach_dp_colorspace_property(connector);
 	}
 
-	if (IS_GEMINILAKE(dev_priv) || DISPLAY_VER(dev_priv) >= 11)
-		drm_object_attach_property(&connector->base,
-					   connector->dev->mode_config.hdr_output_metadata_property,
-					   0);
+	if (!intel_bios_is_lspcon_present(dev_priv, port))
+		if (((IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) &&
+		     !intel_dp_is_edp(intel_dp)) || DISPLAY_VER(dev_priv) >= 9)
+			drm_object_attach_property(&connector->base,
+					connector->dev->mode_config.hdr_output_metadata_property,
+					0);
 
 	if (intel_dp_is_edp(intel_dp)) {
 		u32 allowed_scalers;
-- 
2.25.1




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