From: Oscar Mateo <[email protected]>

Required for Bindless samplers.
Userspace consumer: mesa

V2: Rebase
V3: Update commit message

Cc: Anusha Srivatsa <[email protected]>
Cc: Mika Kuoppala <[email protected]>
Signed-off-by: Oscar Mateo <[email protected]>
Signed-off-by: Radhakrishna Sripada <[email protected]>
---
 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 f76fa13a12a2..050fedb4fc81 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8648,6 +8648,8 @@ 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,
-- 
2.9.3

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