From f57f9371e285ce551960ce78852db44fa3c83df9 Mon Sep 17 00:00:00 2001
From: Oscar Mateo <oscar.mateo@intel.com>
Date: Tue, 30 Oct 2018 01:45:04 -0700
Subject: drm/i915/icl: WaAllowUMDToModifySamplerMode
Git-commit: f57f9371e285ce551960ce78852db44fa3c83df9
Patch-mainline: v5.0-rc1
References: fate#326289
Required for Bindless samplers.
Userspace consumer: mesa
V2: Rebase
V3: Update commit message
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030084504.21537-4-radhakrishna.sripada@intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/i915_reg.h | 2 ++
drivers/gpu/drm/i915/intel_workarounds.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 41f302073062..aef1a30ff9f6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8652,6 +8652,8 @@ enum {
#define GAMW_ECO_DEV_RW_IA_REG _MMIO(0x4080)
#define GAMW_ECO_DEV_CTX_RELOAD_DISABLE (1 << 7)
+#define GEN10_SAMPLER_MODE _MMIO(0xE18C)
+
/* IVYBRIDGE DPF */
#define GEN7_L3CDERRST1(slice) _MMIO(0xB008 + (slice) * 0x200) /* L3CD Error Status 1 */
#define GEN7_L3CDERRST1_ROW_MASK (0x7ff << 14)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 896874278852..d7176213e3ce 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -1018,6 +1018,9 @@ static void icl_whitelist_build(struct whitelist *w)
{
/* WaAllowUMDToModifyHalfSliceChicken7:icl */
whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7);
+
+ /* WaAllowUMDToModifySamplerMode:icl */
+ whitelist_reg(w, GEN10_SAMPLER_MODE);
}
static struct whitelist *whitelist_build(struct intel_engine_cs *engine,
--
2.20.1