diff options
| author | Oscar Mateo <oscar.mateo@intel.com> | 2018-05-08 14:29:32 -0700 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-05-11 15:57:18 +0300 |
| commit | 36204d80bacb5382c7944fceb14975c727def102 (patch) | |
| tree | 79f609d46c131b418c8ab7069c9adc8873410503 /drivers/gpu/drm/i915/intel_workarounds.c | |
| parent | 0a437d4981650615ba3b4c7a9ce0c76894637217 (diff) | |
drm/i915/icl: Wa_1406680159
Disable GWL clock gating to prevent an issue that might
cause hangs.
v2: Rebased on top of the WA refactoring
v3: Wa_2201832410 officially merged with Wa_1406680159
v4: Added References (Mika)
v5:
- Rebased
- C, not lisp (Chris)
- Add reference where WA is better explained (Rodrigo)
- Add reference to WA that got merged with this
References: HSDES#1406681710
References: HSDES#1406680159
References: HSDES#2201832410
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-11-git-send-email-oscar.mateo@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_workarounds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_workarounds.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 469a83d521ae..a3fa01a47c86 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -745,6 +745,11 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv) I915_WRITE(SLICE_UNIT_LEVEL_CLKGATE, I915_READ(SLICE_UNIT_LEVEL_CLKGATE) | MSCUNIT_CLKGATE_DIS); + + /* Wa_1406680159:icl */ + I915_WRITE(SUBSLICE_UNIT_LEVEL_CLKGATE, + I915_READ(SUBSLICE_UNIT_LEVEL_CLKGATE) | + GWUNIT_CLKGATE_DIS); } void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv) |