summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_engine_cs.c
diff options
context:
space:
mode:
authorRoss Zwisler <ross.zwisler@linux.intel.com>2018-02-03 00:26:26 -0700
committerRoss Zwisler <ross.zwisler@linux.intel.com>2018-02-03 00:26:26 -0700
commitee95f4059a833839bf52972191b2d4c3d3cec552 (patch)
treea1c8587d9b82e64a75dde376a90a3d69b0f4847a /drivers/gpu/drm/i915/intel_engine_cs.c
parentd121f07691415df824e6b60520f782f6d13b3c81 (diff)
parentf81e1d35a6e36d30888c46283b8dd1022e847124 (diff)
Merge branch 'for-4.16/nfit' into libnvdimm-for-nextlibnvdimm-for-4.16
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
-rw-r--r--drivers/gpu/drm/i915/intel_engine_cs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index ab5bf4e2e28e..6074e04dc99f 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1390,6 +1390,11 @@ static int glk_init_workarounds(struct intel_engine_cs *engine)
if (ret)
return ret;
+ /* WA #0862: Userspace has to set "Barrier Mode" to avoid hangs. */
+ ret = wa_ring_whitelist_reg(engine, GEN9_SLICE_COMMON_ECO_CHICKEN1);
+ if (ret)
+ return ret;
+
/* WaToEnableHwFixForPushConstHWBug:glk */
WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);