From bdf441a5945b66eccccecccfec4bbff2df4216b4 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 17 Jan 2020 16:29:26 +0200
Subject: drm/i915/bios: add intel_bios_alternate_ddc_pin()
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Git-commit: 17004bfb53ecdb2300ed6f4769b60a7310274ce9
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Don't access i915->vbt.ddi_port_info[] directly.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9e4fcb625cec26ee88245aad7ae80bfe93b14e59.1579270868.git.jani.nikula@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_bios.c | 7 +++++++
drivers/gpu/drm/i915/display/intel_bios.h | 1 +
drivers/gpu/drm/i915/display/intel_hdmi.c | 16 ++++++++--------
3 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index fed8098130ee..d001b7bc18db 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2601,3 +2601,10 @@ int intel_bios_dp_max_link_rate(struct intel_encoder *encoder)
return i915->vbt.ddi_port_info[encoder->port].dp_max_link_rate;
}
+
+int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+
+ return i915->vbt.ddi_port_info[encoder->port].alternate_ddc_pin;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h
index 179d2eb49d7e..077828d77642 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.h
+++ b/drivers/gpu/drm/i915/display/intel_bios.h
@@ -252,5 +252,6 @@ 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);
int intel_bios_dp_max_link_rate(struct intel_encoder *encoder);
+int intel_bios_alternate_ddc_pin(struct intel_encoder *encoder);
#endif /* _INTEL_BIOS_H_ */
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index cb07e06b10dc..3032edc6e89d 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -3054,17 +3054,17 @@ static u8 g4x_port_to_ddc_pin(struct drm_i915_private *dev_priv,
return ddc_pin;
}
-static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv,
- enum port port)
+static u8 intel_hdmi_ddc_pin(struct intel_encoder *encoder)
{
- const struct ddi_vbt_port_info *info =
- &dev_priv->vbt.ddi_port_info[port];
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum port port = encoder->port;
u8 ddc_pin;
- if (info->alternate_ddc_pin) {
+ ddc_pin = intel_bios_alternate_ddc_pin(encoder);
+ if (ddc_pin) {
DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n",
- info->alternate_ddc_pin, port_name(port));
- return info->alternate_ddc_pin;
+ ddc_pin, port_name(port));
+ return ddc_pin;
}
if (HAS_PCH_MCC(dev_priv))
@@ -3150,7 +3150,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
intel_encoder->base.name))
return;
- intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
+ intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(intel_encoder);
ddc = intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus);
drm_connector_init_with_ddc(dev, connector,
--
2.28.0