Skip to content
Commit f6aa0d71 authored by Tilak Tangudu's avatar Tilak Tangudu Committed by John Harrison
Browse files

drm/i915: Add Wa_22011802037 force cs halt



Prior to doing a reset, SW must ensure command streamer is stopped,
as a workaround, to eliminate a race condition in GPM flow.
Setting both the ring stop and prefetch disable bits, will cause the
command streamer to halt.

Signed-off-by: default avatarTilak Tangudu <tilak.tangudu@intel.com>
Reviewed-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415224025.3693037-2-umesh.nerlige.ramappa@intel.com
parent bcfc713f
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment