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| author | Oscar Mateo <oscar.mateo@intel.com> | 2018-05-26 01:05:29 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-05-29 15:52:24 +0300 |
| commit | 3c7ab27896804ebda7499969befbdbfbc4edaa53 (patch) | |
| tree | 0e69e95557b96fa79f0279fc3d124df651dc775c | |
| parent | 8f1ad1ef1e7ac916a0b344e5e473f52b9159fc87 (diff) | |
| download | linux-3c7ab27896804ebda7499969befbdbfbc4edaa53.tar.xz | |
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
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_workarounds.c | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6953419881c4..4eb159faf06d 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8328,8 +8328,9 @@ enum { #define GEN7_ROW_CHICKEN2 _MMIO(0xe4f4) #define GEN7_ROW_CHICKEN2_GT2 _MMIO(0xf4f4) -#define DOP_CLOCK_GATING_DISABLE (1<<0) -#define PUSH_CONSTANT_DEREF_DISABLE (1<<8) +#define DOP_CLOCK_GATING_DISABLE (1 << 0) +#define PUSH_CONSTANT_DEREF_DISABLE (1 << 8) +#define GEN11_TDL_CLOCK_GATING_FIX_DISABLE (1 << 1) #define HSW_ROW_CHICKEN3 _MMIO(0xe49c) #define HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE (1 << 6) 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; } |