Re: [PATCH v10 18/40] drm/i915: CP_IRQ handling for DP HDCP2.2 msgs

2019-01-31 Thread Daniel Vetter
On Thu, Jan 31, 2019 at 09:08:04AM +0100, Daniel Vetter wrote: > On Thu, Jan 31, 2019 at 12:29:34PM +0530, Ramalingam C wrote: > > Implements the > > Waitqueue is created to wait for CP_IRQ > > Signaling the CP_IRQ arrival through atomic variable. > > For applicable DP HDCP2.2 msgs

Re: [PATCH v10 18/40] drm/i915: CP_IRQ handling for DP HDCP2.2 msgs

2019-01-31 Thread Daniel Vetter
On Thu, Jan 31, 2019 at 12:29:34PM +0530, Ramalingam C wrote: > Implements the > Waitqueue is created to wait for CP_IRQ > Signaling the CP_IRQ arrival through atomic variable. > For applicable DP HDCP2.2 msgs read wait for CP_IRQ. > > As per HDCP2.2 spec "HDCP Transmitters must

[PATCH v10 18/40] drm/i915: CP_IRQ handling for DP HDCP2.2 msgs

2019-01-30 Thread Ramalingam C
Implements the Waitqueue is created to wait for CP_IRQ Signaling the CP_IRQ arrival through atomic variable. For applicable DP HDCP2.2 msgs read wait for CP_IRQ. As per HDCP2.2 spec "HDCP Transmitters must process CP_IRQ interrupts when they are received from HDCP