We'll be needing the intel_bios_encoder_data pointer going forward, and
it's just easier to store the higher level pointer in the
ddi_vbt_port_info[] array.

Cc: Lucas De Marchi <lucas.demar...@intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 28 +++++++++++------------
 drivers/gpu/drm/i915/display/intel_bios.h |  1 +
 drivers/gpu/drm/i915/i915_drv.h           |  2 +-
 3 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c 
b/drivers/gpu/drm/i915/display/intel_bios.c
index 739ef5d91907..47e9c609f82a 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1511,7 +1511,7 @@ static enum port get_port_by_ddc_pin(struct 
drm_i915_private *i915, u8 ddc_pin)
        for_each_port(port) {
                info = &i915->vbt.ddi_port_info[port];
 
-               if (info->child && ddc_pin == info->alternate_ddc_pin)
+               if (info->devdata && ddc_pin == info->alternate_ddc_pin)
                        return port;
        }
 
@@ -1563,7 +1563,7 @@ static enum port get_port_by_aux_ch(struct 
drm_i915_private *i915, u8 aux_ch)
        for_each_port(port) {
                info = &i915->vbt.ddi_port_info[port];
 
-               if (info->child && aux_ch == info->alternate_aux_channel)
+               if (info->devdata && aux_ch == info->alternate_aux_channel)
                        return port;
        }
 
@@ -1823,7 +1823,7 @@ static void parse_ddi_port(struct drm_i915_private *i915,
 
        info = &i915->vbt.ddi_port_info[port];
 
-       if (info->child) {
+       if (info->devdata) {
                drm_dbg_kms(&i915->drm,
                            "More than one child device for port %c in VBT, 
using the first.\n",
                            port_name(port));
@@ -1947,7 +1947,7 @@ static void parse_ddi_port(struct drm_i915_private *i915,
                            port_name(port), info->dp_max_link_rate);
        }
 
-       info->child = child;
+       info->devdata = devdata;
 }
 
 static void parse_ddi_ports(struct drm_i915_private *i915)
@@ -2488,7 +2488,7 @@ bool intel_bios_is_port_present(struct drm_i915_private 
*i915, enum port port)
                const struct ddi_vbt_port_info *port_info =
                        &i915->vbt.ddi_port_info[port];
 
-               return port_info->child;
+               return port_info->devdata;
        }
 
        /* FIXME maybe deal with port A as well? */
@@ -2735,13 +2735,13 @@ bool
 intel_bios_is_port_hpd_inverted(const struct drm_i915_private *i915,
                                enum port port)
 {
-       const struct child_device_config *child =
-               i915->vbt.ddi_port_info[port].child;
+       const struct intel_bios_encoder_data *devdata =
+               i915->vbt.ddi_port_info[port].devdata;
 
        if (drm_WARN_ON_ONCE(&i915->drm, !IS_GEN9_LP(i915)))
                return false;
 
-       return child && child->hpd_invert;
+       return devdata && devdata->child.hpd_invert;
 }
 
 /**
@@ -2755,10 +2755,10 @@ bool
 intel_bios_is_lspcon_present(const struct drm_i915_private *i915,
                             enum port port)
 {
-       const struct child_device_config *child =
-               i915->vbt.ddi_port_info[port].child;
+       const struct intel_bios_encoder_data *devdata =
+               i915->vbt.ddi_port_info[port].devdata;
 
-       return HAS_LSPCON(i915) && child && child->lspcon;
+       return HAS_LSPCON(i915) && devdata && devdata->child.lspcon;
 }
 
 /**
@@ -2772,10 +2772,10 @@ bool
 intel_bios_is_lane_reversal_needed(const struct drm_i915_private *i915,
                                   enum port port)
 {
-       const struct child_device_config *child =
-               i915->vbt.ddi_port_info[port].child;
+       const struct intel_bios_encoder_data *devdata =
+               i915->vbt.ddi_port_info[port].devdata;
 
-       return child && child->lane_reversal;
+       return devdata && devdata->child.lane_reversal;
 }
 
 enum aux_ch intel_bios_port_aux_ch(struct drm_i915_private *i915,
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h 
b/drivers/gpu/drm/i915/display/intel_bios.h
index f25190ecfe97..6591cf7758f2 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.h
+++ b/drivers/gpu/drm/i915/display/intel_bios.h
@@ -33,6 +33,7 @@
 #include <linux/types.h>
 
 struct drm_i915_private;
+struct intel_bios_encoder_data;
 struct intel_crtc_state;
 struct intel_encoder;
 enum port;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 62be1465f52b..e2c5ba61b370 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -584,7 +584,7 @@ i915_fence_timeout(const struct drm_i915_private *i915)
 
 struct ddi_vbt_port_info {
        /* Non-NULL if port present. */
-       const struct child_device_config *child;
+       const struct intel_bios_encoder_data *devdata;
 
        int max_tmds_clock;
 
-- 
2.20.1

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