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drm/amd/display: Fix 2nd DPIA encoder Assignment

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[HOW & Why]
There seems to be an issue with 2nd DPIA acquiring link encoder for tiled displays.
Solution is to remove check for eng_id before we get first dynamic encoder for it

Reviewed-by: Cruise Hung <cruise.hung@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mustapha Ghaddar 2023-08-22 16:18:03 -04:00 committed by Alex Deucher
parent 64be47ba28
commit 2931937844
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
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@ -395,8 +395,7 @@ void link_enc_cfg_link_encs_assign(
stream->link->dpia_preferred_eng_id != ENGINE_ID_UNKNOWN)
eng_id_req = stream->link->dpia_preferred_eng_id;
if (eng_id == ENGINE_ID_UNKNOWN)
eng_id = find_first_avail_link_enc(stream->ctx, state, eng_id_req);
eng_id = find_first_avail_link_enc(stream->ctx, state, eng_id_req);
}
else
eng_id = link_enc->preferred_engine;
@ -501,7 +500,6 @@ struct dc_link *link_enc_cfg_get_link_using_link_enc(
if (stream)
link = stream->link;
// dm_output_to_console("%s: No link using DIG(%d).\n", __func__, eng_id);
return link;
}