Re: [PATCH 0/5] HDCP1.4 fixes

[Ramalingam C <ramalingam.c@intel.com>]

On Tuesday 27 February 2018 04:54 AM, Rodrigo Vivi wrote:
> On Mon, Feb 26, 2018 at 10:42:34PM +0530, Ramalingam C wrote:
>> This series addresses the requriement of below HDCP compliance tests
>> 	DP: 1A-06 and 1B-05
>> 	HDMI: 1A-04 and 1A-07a
>>
>> One of the patch uses the I915 power infra-structure for checking
>> the power state of PW#1. Which enables the init path for all legacy
>> platforms.
>>
>> And encoder specific msg availability detection is moved into hdcp_shim.
>> This will help to sync with DP hdcp data availability in the best
>> possible way by fielding the CP_IRQ.
> Do we want any of these on 4.16 or backported?

Rodrigo,

The changes are for addressing the compliance gaps.
So IMHO at present there is no need for back porting them.

> Please consider the use of "Fixes:" on whatever makes sense.

Sure thanks.

--Ram.

>
> Thanks,
> Rodrigo.
>
>>
>> Ramalingam C (5):
>>    drm/i915: Read HDCP R0 thrice in case of mismatch
>>    drm/i915: read Vprime thrice incase of mismatch
>>    drm/i915: Check hdcp key loadability
>>    drm/i915: Poll hdcp register on sudden NACK
>>    drm/i915: Move hdcp msg detection into shim
>>
>>   drivers/gpu/drm/i915/intel_dp.c   |  70 ++++++++++++++--
>>   drivers/gpu/drm/i915/intel_drv.h  |   6 +-
>>   drivers/gpu/drm/i915/intel_hdcp.c | 166 +++++++++++++++++++++++++++-----------
>>   drivers/gpu/drm/i915/intel_hdmi.c |  28 ++++++-
>>   4 files changed, 214 insertions(+), 56 deletions(-)
>>
>> -- 
>> 2.7.4
>>
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