[Intel-gfx] [PATCH 0/5] HDCP1.4 fixes

Rodrigo Vivi rodrigo.vivi at intel.com
Mon Feb 26 23:24:16 UTC 2018


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

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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