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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 17:19:00 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2016-07-15 15:51:24 +0300 |
| commit | 3d042d4633d7b180e08abead7bd7de0bb194b256 (patch) | |
| tree | c5e87edd35464e8db0a73a6f9e10b287b0c75481 /drivers/gpu | |
| parent | 791645098219ad3fd505db89d953a16275a8c89b (diff) | |
| download | linux-3d042d4633d7b180e08abead7bd7de0bb194b256.tar.gz linux-3d042d4633d7b180e08abead7bd7de0bb194b256.tar.bz2 linux-3d042d4633d7b180e08abead7bd7de0bb194b256.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
(cherry picked from commit 8401d42fd5adf709281e1700194805f393b49573)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu')
| -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 6d844e2147b8..bdb3304b213c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1202,6 +1202,11 @@ 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; } |