On 1/8/2025 8:06 PM, Dnyaneshwar Bhadane wrote:
There is new field "edp pipe joiner feature" size of 2 bytes in the
eDP VBT block. Each bit represent panel number to be enable/disable
for this feature.

Default value:
For ARL platform, 0x0000 to keep the feature disabled by default.
Xe3lpd onwards, 0xFFFF to keep the feature enable by default by VBT.

Bspec: 20142
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhad...@intel.com>
---
  drivers/gpu/drm/i915/display/intel_vbt_defs.h | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h 
b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index e9b809568cd4..2fdad5170896 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -1090,6 +1090,7 @@ struct bdb_edp {
        u16 edp_dsc_disable;                                    /* 251+ */
        u16 t6_delay_support;                                   /* 260+ */
        u16 link_idle_time[16];                                 /* 260+ */
+       u16 edp_pipe_joiner_feature;                            /* 261+ */

Better to add variable when we are actually using it in code.

Regards,
Ravi Kumar V

  } __packed;
/*

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