Avoiding link integrity failures on displayport during hcdp 2.2 by using sink side optimizations

A receiver comprising:

• means for receiving a content type indicator from a transmitter indicating that a content stream from the transmitter comprises a first content type;
• means for performing a first integrity check on the content stream by decrypting content from the content stream based in part on the content type indicator;
• means for incrementing a counter responsive to the first integrity check failing due to a mismatch between the content type indicator and the content of the content stream;
• means for performing a second integrity check on the content stream by decrypting the content from the content stream based in part on a second content type responsive to the counter exceeding a threshold;
• and
• means for decrypting the content stream based in part on the second integrity check being successful.

A receiver comprising:

• a memory;
• and
• a processor communicatively coupled to the memory and configured to:
• receive a content type indicator from a transmitter indicating that a content stream from the transmitter comprises a first content type;
• perform a first integrity check on the content stream by decrypting content from the content stream based in part on the content type indicator;
• increment a counter responsive to the first integrity check failing due to a mismatch between the content type indicator and the content of the content stream;
• perform a second integrity check on the content stream by decrypting the content from the content stream based in part on a second content type responsive to the counter exceeding a threshold;
• and
• decrypt the content stream based in part on the second integrity check being successful.

A non-transitory, computer-readable medium, having stored thereon computer-readable instructions operating for operating a receiver, comprising instructions configured to cause the receiver to:

• receive a content type indicator from a transmitter indicating that a content stream from the transmitter comprises a first content type;
• perform a first integrity check on the content stream by decrypting content from the content stream based in part on the content type indicator;
• increment a counter responsive to the first integrity check failing due to a mismatch between the content type indicator and the content of the content stream;
• perform a second integrity check on the content stream by decrypting the content from the content stream based in part on a second content type responsive to the counter exceeding a threshold;
• and
• decrypt the content stream based in part on the second integrity check being successful.