drm/i915: Only disable HDCP when it's active

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Instead of always trying to disable HDCP. Only run hdcp_disable when the
state is not UNDESIRED. This will catch cases where it's enabled and
also cases where enable failed and the state is left in DESIRED mode.

Note that things won't blow up if disable is attempted while already
disabled, it's just bad form.

Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180109185330.16853-1-seanpaul@chromium.org

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Sean Paul 2018-01-09 13:53:13 -05:00

parent 2f4498a4ac

commit 01468d6c71

1 changed files with 5 additions and 3 deletions

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8

drivers/gpu/drm/i915/intel_hdcp.c

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