Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-06-30 Thread Jani Nikula
On Tue, 05 May 2020, Ramalingam C wrote: > On 2020-05-05 at 14:06:51 +0200, Oliver Barta wrote: >> On Tue, May 5, 2020 at 9:38 AM Ramalingam C wrote: >> > >> > On 2020-05-04 at 14:35:24 +0200, Oliver Barta wrote: >> > > From: Oliver Barta >> > > >> > > A single Ri mismatch doesn't automatically

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-05 Thread Oliver Barta
On Tue, May 5, 2020 at 9:38 AM Ramalingam C wrote: > > On 2020-05-04 at 14:35:24 +0200, Oliver Barta wrote: > > From: Oliver Barta > > > > A single Ri mismatch doesn't automatically mean that the link integrity > > is broken. Update and check of Ri and Ri' are done asynchronously. In > > case an

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-05 Thread Oliver Barta
On Mon, May 4, 2020 at 10:24 PM Sean Paul wrote: > > On Mon, May 4, 2020 at 1:32 PM Oliver Barta wrote: > > > > From: Oliver Barta > > > > A single Ri mismatch doesn't automatically mean that the link integrity > > is broken. Update and check of Ri and Ri' are done asynchronously. In > > case an

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-05 Thread Sean Paul
On Tue, May 5, 2020 at 3:27 AM Oliver Barta wrote: > > On Mon, May 4, 2020 at 10:24 PM Sean Paul wrote: > > > > On Mon, May 4, 2020 at 1:32 PM Oliver Barta wrote: > > > > > > From: Oliver Barta > > > > > > A single Ri mismatch doesn't automatically mean that the link integrity > > > is broken.

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-05 Thread Ramalingam C
On 2020-05-05 at 14:06:51 +0200, Oliver Barta wrote: > On Tue, May 5, 2020 at 9:38 AM Ramalingam C wrote: > > > > On 2020-05-04 at 14:35:24 +0200, Oliver Barta wrote: > > > From: Oliver Barta > > > > > > A single Ri mismatch doesn't automatically mean that the link integrity > > > is broken. Upda

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-05 Thread Ramalingam C
On 2020-05-04 at 14:35:24 +0200, Oliver Barta wrote: > From: Oliver Barta > > A single Ri mismatch doesn't automatically mean that the link integrity > is broken. Update and check of Ri and Ri' are done asynchronously. In > case an update happens just between the read of Ri' and the check against

Re: [Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-04 Thread Sean Paul
On Mon, May 4, 2020 at 1:32 PM Oliver Barta wrote: > > From: Oliver Barta > > A single Ri mismatch doesn't automatically mean that the link integrity > is broken. Update and check of Ri and Ri' are done asynchronously. In > case an update happens just between the read of Ri' and the check against

[Intel-gfx] [PATCH] drm/i915: HDCP: retry link integrity check on failure

2020-05-04 Thread Oliver Barta
From: Oliver Barta A single Ri mismatch doesn't automatically mean that the link integrity is broken. Update and check of Ri and Ri' are done asynchronously. In case an update happens just between the read of Ri' and the check against Ri there will be a mismatch even if the link integrity is fine