diff options
| author | Oscar Mateo <oscar.mateo@intel.com> | 2018-05-08 14:29:28 -0700 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-05-11 15:55:52 +0300 |
| commit | 5246ae4bdb4ceae9778a7966db1d9522c6cb0ea7 (patch) | |
| tree | 4b271af8de255cd1972f746559fad58cb5810e78 /drivers/gpu | |
| parent | f4a357140a5693bfb0ab4e6608b7118a288a9ba9 (diff) | |
| download | op-kernel-dev-5246ae4bdb4ceae9778a7966db1d9522c6cb0ea7.zip op-kernel-dev-5246ae4bdb4ceae9778a7966db1d9522c6cb0ea7.tar.gz | |
drm/i915/icl: WaDisableCleanEvicts
Avoids an undefined LLC behavior.
BSpec: 9613
v2: Renamed to Wa_1405733216
v3: Spaces around '<<' and fix surrounding code
v4: Rebased on top of the WA refactoring
v5: Added References (Mika)
v6:
- Rebased
- C, not lisp (Chris)
References: HSDES#1405733216
Signed-off-by: Oscar Mateo <oscar.mateo@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/1525814984-20039-7-git-send-email-oscar.mateo@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_workarounds.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 7fe505c..a7bd739 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7232,8 +7232,9 @@ enum { #define L3SQ_URB_READ_CAM_MATCH_DISABLE (1<<27) #define GEN8_L3SQCREG4 _MMIO(0xb118) -#define GEN8_LQSC_RO_PERF_DIS (1<<27) -#define GEN8_LQSC_FLUSH_COHERENT_LINES (1<<21) +#define GEN11_LQSC_CLEAN_EVICT_DISABLE (1 << 6) +#define GEN8_LQSC_RO_PERF_DIS (1 << 27) +#define GEN8_LQSC_FLUSH_COHERENT_LINES (1 << 21) /* GEN8 chicken */ #define HDC_CHICKEN0 _MMIO(0x7300) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 2561c55..7e8bcc2 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -720,6 +720,12 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv) I915_WRITE(GEN11_GACB_PERF_CTRL, (I915_READ(GEN11_GACB_PERF_CTRL) & ~GEN11_HASH_CTRL_MASK) | GEN11_HASH_CTRL_BIT0 | GEN11_HASH_CTRL_BIT4); + + /* Wa_1405733216:icl + * Formerly known as WaDisableCleanEvicts + */ + I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | + GEN11_LQSC_CLEAN_EVICT_DISABLE); } void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv) |
