Re: [Intel-gfx] [PATCH 3/8] drm/i915: Use EAGAIN instead EBUSY for aux retry.

2015-11-23 Thread Jani Nikula
On Mon, 23 Nov 2015, Daniel Vetter wrote: > On Fri, Nov 20, 2015 at 04:46:25PM -0800, Rodrigo Vivi wrote: >> Current EBUSY meaning is immediately retry, but this is >> about to change. DRM aux transfer is about to change and >> make EAGAIN the immediately retry and use EBUSY to wait >> a bit for a

Re: [Intel-gfx] [PATCH 3/8] drm/i915: Use EAGAIN instead EBUSY for aux retry.

2015-11-23 Thread Daniel Vetter
On Fri, Nov 20, 2015 at 04:46:25PM -0800, Rodrigo Vivi wrote: > Current EBUSY meaning is immediately retry, but this is > about to change. DRM aux transfer is about to change and > make EAGAIN the immediately retry and use EBUSY to wait > a bit for aux channels to recover for any error or wake up.

[Intel-gfx] [PATCH 3/8] drm/i915: Use EAGAIN instead EBUSY for aux retry.

2015-11-20 Thread Rodrigo Vivi
Current EBUSY meaning is immediately retry, but this is about to change. DRM aux transfer is about to change and make EAGAIN the immediately retry and use EBUSY to wait a bit for aux channels to recover for any error or wake up. This has no functional change if the EAGAIN support is in place alrea