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drm/amd/display: Assign preferred stream encoder instance to dpia

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[Why]
For dpia, preferred engine instance availability is not checked
when assigning stream encoder instance.

[How]
Check for dpia preferred engine id and assign the same stream
encoder instance for the stream if available.

Reviewed-by: PeiChen Huang <peichen.huang@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Meenakshikumar Somasundaram
2025-05-05 13:28:47 -04:00
committed by Alex Deucher
parent 3637e457eb
commit 59510792ba
1 changed files with 4 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn10/dcn10_resource.c
+4
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@@ -1246,6 +1246,10 @@ struct stream_encoder *dcn10_find_first_free_match_stream_enc_for_link(
if (link->ep_type == DISPLAY_ENDPOINT_PHY && pool->stream_enc[i]->id ==
link->link_enc->preferred_engine)
return pool->stream_enc[i];
if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA && pool->stream_enc[i]->id ==
link->dpia_preferred_eng_id)
return pool->stream_enc[i];
}
}