drm/i915: Implement HDCP for HDMI

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This patch adds HDCP support for HDMI connectors by implementing
the intel_hdcp_shim.

Nothing too special, just a bunch of DDC reads/writes.

Changes in v2:
- Rebased on drm-intel-next
Changes in v3:
- Initialize new worker
Changes in v4:
- Remove SKL_ prefix from most register names (Daniel)
- Wrap sanity checks in WARN_ON (Daniel)
- Consolidate the enable/disable functions into one toggle fn
- Use intel_hdcp_init (Daniel)
Changes in v5:
- checkpatch whitespace nits
Changes in v6:
- None

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180108195545.218615-9-seanpaul@chromium.org

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This commit is contained in:

Sean Paul 2018-01-08 14:55:42 -05:00

parent 07e17a7592

commit 2320175feb

4 changed files with 282 additions and 0 deletions

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1

drivers/gpu/drm/i915/i915_reg.h

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29

drivers/gpu/drm/i915/intel_ddi.c

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2

drivers/gpu/drm/i915/intel_drv.h

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250

drivers/gpu/drm/i915/intel_hdmi.c

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