[PATCH 4/9] drm/i915/bios: intel_bios_hdmi_boost_level()

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Don't access i915->vbt.ddi_port_info[] directly.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 7 +++++++
 drivers/gpu/drm/i915/display/intel_bios.h | 1 +
 drivers/gpu/drm/i915/display/intel_ddi.c  | 5 ++---
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 88b78eae8bb2..5882ffc1b2a6 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2585,3 +2585,10 @@ int intel_bios_dp_boost_level(struct intel_encoder *encoder)
 
 	return i915->vbt.ddi_port_info[encoder->port].dp_boost_level;
 }
+
+int intel_bios_hdmi_boost_level(struct intel_encoder *encoder)
+{
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+
+	return i915->vbt.ddi_port_info[encoder->port].hdmi_boost_level;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h
index 5e68c58b58ca..b1c11b9bea41 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.h
+++ b/drivers/gpu/drm/i915/display/intel_bios.h
@@ -250,5 +250,6 @@ bool intel_bios_get_dsc_params(struct intel_encoder *encoder,
 int intel_bios_max_tmds_clock(struct intel_encoder *encoder);
 int intel_bios_hdmi_level_shift(struct intel_encoder *encoder);
 int intel_bios_dp_boost_level(struct intel_encoder *encoder);
+int intel_bios_hdmi_boost_level(struct intel_encoder *encoder);
 
 #endif /* _INTEL_BIOS_H_ */
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 7bd5858b1f4a..3697fa047362 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1055,8 +1055,7 @@ static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder,
 		level = n_entries - 1;
 
 	/* If we're boosting the current, set bit 31 of trans1 */
-	if (IS_GEN9_BC(dev_priv) &&
-	    dev_priv->vbt.ddi_port_info[port].hdmi_boost_level)
+	if (IS_GEN9_BC(dev_priv) && intel_bios_hdmi_boost_level(encoder))
 		iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
 
 	/* Entry 9 is for HDMI: */
@@ -2341,7 +2340,7 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
 	u8 iboost;
 
 	if (type == INTEL_OUTPUT_HDMI)
-		iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level;
+		iboost = intel_bios_hdmi_boost_level(encoder);
 	else
 		iboost = intel_bios_dp_boost_level(encoder);
 
-- 
2.20.1

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