From 0c79f9cb77eae28d48a4f9fc1b3341aacbbd260c Mon Sep 17 00:00:00 2001 From: Michel Thierry Date: Thu, 10 May 2018 13:07:08 -0700 Subject: [PATCH] drm/i915/gen9: Add WaClearHIZ_WM_CHICKEN3 for bxt and glk Factor in clear values wherever required while updating destination min/max. References: HSDES#1604444184 Signed-off-by: Michel Thierry Cc: mesa-dev@lists.freedesktop.org Cc: Mika Kuoppala Cc: Oscar Mateo Reviewed-by: Mika Kuoppala Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20180510200708.18097-1-michel.thierry@intel.com Cc: stable@vger.kernel.org --- 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 14491782aa9e..f11bb213ec07 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7259,6 +7259,9 @@ 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 5eec4ce965a5..2df3538ceba5 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; } -- 2.30.2