Re: [Intel-gfx] [PATCH v2 1/4] drm/i915: Read HDCP R0 thrice in case of mismatch

2018-04-02 Thread Ramalingam C
On Thursday 29 March 2018 08:05 PM, Sean Paul wrote: On Thu, Mar 29, 2018 at 07:39:05PM +0530, Ramalingam C wrote: As per DP spec when R0 mismatch is detected, HDCP source supported re-read the R0 atleast twice. And For HDMI and DP minimum wait required for the R0 availability is 100mSec. So

Re: [Intel-gfx] [PATCH v2 1/4] drm/i915: Read HDCP R0 thrice in case of mismatch

2018-03-29 Thread Sean Paul
On Thu, Mar 29, 2018 at 07:39:05PM +0530, Ramalingam C wrote: > As per DP spec when R0 mismatch is detected, HDCP source supported > re-read the R0 atleast twice. > > And For HDMI and DP minimum wait required for the R0 availability is > 100mSec. So this patch changes the wait time to 100mSec but

[Intel-gfx] [PATCH v2 1/4] drm/i915: Read HDCP R0 thrice in case of mismatch

2018-03-29 Thread Ramalingam C
As per DP spec when R0 mismatch is detected, HDCP source supported re-read the R0 atleast twice. And For HDMI and DP minimum wait required for the R0 availability is 100mSec. So this patch changes the wait time to 100mSec but retries twice with the time interval of 100mSec for each attempt. This