drm/amd/display: avoid to authentication when DEVICE_COUNT=0

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[why]
we don't support authentication with DEVICE_COUNT=0

[how]
check value DEVICE_COUNT before doing authentication

Signed-off-by: Yu-ting Shen <Yu-ting.Shen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Wayne Lin <waynelin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Yu-ting Shen 2021-04-14 15:33:33 +08:00 • committed by Alex Deucher

parent 642d3a2bf2

commit 088bebc79e

2 changed files with 10 additions and 0 deletions

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5

drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c

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5

drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c

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