diff options
| author |   Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 17:19:00 +0300 |
|---|---|---|
| committer |   Mika Kuoppala <mika.kuoppala@intel.com> | 2016-06-08 16:22:44 +0300 |
| commit | 8401d42fd5adf709281e1700194805f393b49573 (patch) | |
| tree | 4aebb3e79da118e58a58251660ef99a332ba3063 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | drm/i915/kbl: Add WaEnableGapsTsvCreditFix (diff) | |
| download | linux-dev-8401d42fd5adf709281e1700194805f393b49573.tar.xz linux-dev-8401d42fd5adf709281e1700194805f393b49573.zip | |
drm/i915/kbl: Add WaDisableFenceDestinationToSLM for A0
Add this workaround for kbl revid A0 only.
v2: rebase
v3: carve out a non related workaround (Chris)
References: HSD#1911714
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-9-git-send-email-mika.kuoppala@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 02edf85f7456..55d08fbbf8e3 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1199,6 +1199,11 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | GEN9_GAPS_TSV_CREDIT_DISABLE)); + /* WaDisableFenceDestinationToSLM:kbl (pre-prod) */ + if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_A0)) + WA_SET_BIT_MASKED(HDC_CHICKEN0, + HDC_FENCE_DEST_SLM_DISABLE); + return 0; } |