Re: [Intel-gfx] [PATCH v2 16/22] drm/i915/rkl: Don't try to access transcoder D

2020-05-06 Thread Matt Roper
On Mon, May 04, 2020 at 03:52:21PM -0700, Matt Roper wrote: > There are a couple places in our driver that loop over transcoders A..D > for gen11+; since RKL only has three pipes/transcoders, this can lead to > unclaimed register reads/writes. We should add checks for transcoder > existence where

[Intel-gfx] [PATCH v2 16/22] drm/i915/rkl: Don't try to access transcoder D

2020-05-04 Thread Matt Roper
There are a couple places in our driver that loop over transcoders A..D for gen11+; since RKL only has three pipes/transcoders, this can lead to unclaimed register reads/writes. We should add checks for transcoder existence where appropriate. Cc: Aditya Swarup Signed-off-by: Matt Roper --- dri