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drm/amd/display: Allow DCE link encoder without AUX registers

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Allow constructing the DCE link encoder without DDC,
which means the AUX registers array will be NULL.

This is necessary to support embedded connectors without DDC.

Fixes: 4562236b3b ("drm/amd/dc: Add dc display driver (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/work_items/5192
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Timur Kristóf 2026-04-28 13:40:41 +02:00 committed by Alex Deucher
parent 75b8a6ca0e
commit 87f30b101a
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
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@ -1102,7 +1102,9 @@ void dce110_link_encoder_hw_init(
ASSERT(result == BP_RESULT_OK);
}
aux_initialize(enc110);
if (enc110->aux_regs)
aux_initialize(enc110);
/* reinitialize HPD.
* hpd_initialize() will pass DIG_FE id to HW context.