drm/i915: terminate reauth at stream management failure

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As per the HDCP2.2 compliance test 1B-10 expectation, when stream
management for a repeater fails, we retry thrice and when it fails
in all retries, HDCP2.2 reauthentication aborted at kernel.

v2:
  seq_num_m++ is extended for steam management failures too.[Anshuman]
v3:
  use drm_dbg_kms instead of DRM_DEBUG_KMS [Anshuman]
v4:
  dev_priv is used as i915 [JaniN]
v5:
  Few improvisements are done [Sean]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923132435.17039-2-anshuman.gupta@intel.com

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This commit is contained in:

Ramalingam C 2020-09-23 18:54:34 +05:30

parent 94a4fb8a31

commit cb88d1fac1

1 changed files with 47 additions and 29 deletions

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drivers/gpu/drm/i915/display/intel_hdcp.c

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