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authorOscar Mateo <oscar.mateo@intel.com>2018-05-25 15:05:29 -0700
committerMika Kuoppala <mika.kuoppala@linux.intel.com>2018-05-29 15:52:24 +0300
commit3c7ab27896804ebda7499969befbdbfbc4edaa53 (patch)
tree0e69e95557b96fa79f0279fc3d124df651dc775c /drivers/gpu/drm/i915/intel_workarounds.c
parent8f1ad1ef1e7ac916a0b344e5e473f52b9159fc87 (diff)
downloadblackbird-obmc-linux-3c7ab27896804ebda7499969befbdbfbc4edaa53.tar.gz
blackbird-obmc-linux-3c7ab27896804ebda7499969befbdbfbc4edaa53.zip
drm/i915/icl: WaDisableImprovedTdlClkGating
Revert to the legacy implementation. v2: GEN7_ROW_CHICKEN2 is masked v3: - Rebased - Renamed to Wa_2006611047 - A0 and B0 only v4: - Add spaces around '<<' (and fix the surrounding code as well) - Mark the WA as pre-prod v5: Rebased on top of the WA refactoring v6: Added References (Mika) v7: Fixed in B0 References: HSDES#2006611047 Signed-off-by: Oscar Mateo <oscar.mateo@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1527285939-20113-2-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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index cea57104de13..04aa88506edc 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -463,6 +463,13 @@ static int icl_ctx_workarounds_init(struct drm_i915_private *dev_priv)
*/
WA_SET_BIT_MASKED(ICL_HDC_MODE, HDC_FORCE_NON_COHERENT);
+ /* Wa_2006611047:icl (pre-prod)
+ * Formerly known as WaDisableImprovedTdlClkGating
+ */
+ if (IS_ICL_REVID(dev_priv, ICL_REVID_A0, ICL_REVID_A0))
+ WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2,
+ GEN11_TDL_CLOCK_GATING_FIX_DISABLE);
+
return 0;
}
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