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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 15:00:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 15:00:11 +0100
commitc182ce9bc8c85a623c71a23bcd6768045126c289 (patch)
tree73fb6561bbec5d89cba74492c149f3012e275afa /drivers/gpu/drm/i915/intel_engine_cs.c
parent2da050e4f151c458df909780843067e7c2d11ec2 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
Merge 4.15-rc8 into usb-next
We want the USB fixes in here as well for merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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);