drm/amd/display: Guard against empty DCN6 UTM QoS table

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[Why]
The UTM QoS model population indexed into a firmware-provided
table without checking whether it reported any load levels or
SOPs, leaving a malformed table treated as valid instead of absent.

[How]
Bail out early and clear the output model pointer when the load
level count or SOP count is zero.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: James Lin <pinglei.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Wenjing Liu 2026-08-04 14:01:54 -04:00 • committed by Alex Deucher

parent 3b381dc0ed

commit 762e89c63a

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/amd/display/dc/clk_mgr/dcn60/dcn60_clk_mgr.c

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