From ae5a3d2c75a82c65564d32c42152ef7623ccf673 Mon Sep 17 00:00:00 2001 From: Harish Chegondi Date: Mon, 1 Aug 2022 14:38:39 -0700 Subject: [PATCH] drm/i915/dg2: Add Wa_1509727124 Bspec: 46052 Reviewed-by: Matt Roper Signed-off-by: Harish Chegondi Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20220801213839.8549-1-harish.chegondi@intel.com --- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 + drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 60d6eb5f245b..b3b49f6d6d1c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1078,6 +1078,7 @@ #define GEN10_SAMPLER_MODE _MMIO(0xe18c) #define ENABLE_SMALLPL REG_BIT(15) +#define SC_DISABLE_POWER_OPTIMIZATION_EBB REG_BIT(9) #define GEN11_SAMPLER_ENABLE_HEADLESS_MSG REG_BIT(5) #define GEN9_HALF_SLICE_CHICKEN7 _MMIO(0xe194) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index e8111fce56d0..59cf28baa472 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -2119,6 +2119,13 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) wa_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8); } + if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) || + IS_DG2_G11(i915) || IS_DG2_G12(i915)) { + /* Wa_1509727124:dg2 */ + wa_masked_en(wal, GEN10_SAMPLER_MODE, + SC_DISABLE_POWER_OPTIMIZATION_EBB); + } + if (IS_DG2_GRAPHICS_STEP(i915, G10, STEP_A0, STEP_B0) || IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) { /* Wa_14012419201:dg2 */ -- 2.39.5