Factor in clear values wherever required while updating destination
min/max.
References: HSDES#1604444184
Signed-off-by: Michel Thierry <michel.thie...@intel.com>
Cc: mesa-dev@lists.freedesktop.org
Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
Cc: Oscar Mateo <oscar.ma...@intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 3 +++
drivers/gpu/drm/i915/intel_workarounds.c | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 085928c9005e..ee11f6ed217a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7251,6 +7251,9 @@ enum {
#define SLICE_ECO_CHICKEN0 _MMIO(0x7308)
#define PIXEL_MASK_CAMMING_DISABLE (1 << 14)
+#define GEN9_WM_CHICKEN3 _MMIO(0x5588)
+#define GEN9_FACTOR_IN_CLR_VAL_HIZ (1 << 9)
+
/* WaCatErrorRejectionIssue */
#define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG _MMIO(0x9030)
#define GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB (1<<11)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c
b/drivers/gpu/drm/i915/intel_workarounds.c
index ec9d340fcb00..054e1dee7899 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -270,6 +270,10 @@ static int gen9_ctx_workarounds_init(struct
drm_i915_private *dev_priv)
GEN9_PREEMPT_GPGPU_LEVEL_MASK,
GEN9_PREEMPT_GPGPU_COMMAND_LEVEL);
+ /* WaClearHIZ_WM_CHICKEN3:bxt,glk */
+ if (IS_GEN9_LP(dev_priv))
+ WA_SET_BIT_MASKED(GEN9_WM_CHICKEN3, GEN9_FACTOR_IN_CLR_VAL_HIZ);
+
return 0;
}
--
2.17.0
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