From ae0e5e6eaaabd54377fe6f649d49ff5fbbc58d95 Mon Sep 17 00:00:00 2001 From: Shekhar Chauhan Date: Fri, 22 Sep 2023 21:23:56 +0530 Subject: drm/i915: Add Wa_18028616096 Drop UGM per set fragment threshold to 3 BSpec: 54833 Signed-off-by: Shekhar Chauhan Reviewed-by: Matt Roper [mattrope: moved above xehpsdv block for consistency] Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20230922155356.583595-1-shekhar.chauhan@intel.com --- drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 + drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++ 2 files changed, 6 insertions(+) (limited to 'drivers/gpu/drm/i915/gt') diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 9f2a7d103ea5..cca4bac8f8b0 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1232,6 +1232,7 @@ #define DISABLE_D8_D16_COASLESCE REG_BIT(30) #define FORCE_1_SUB_MESSAGE_PER_FRAGMENT REG_BIT(15) #define LSC_CHICKEN_BIT_0_UDW MCR_REG(0xe7c8 + 4) +#define UGM_FRAGMENT_THRESHOLD_TO_3 REG_BIT(58 - 32) #define DIS_CHAIN_2XSIMD8 REG_BIT(55 - 32) #define FORCE_SLM_FENCE_SCOPE_TO_TILE REG_BIT(42 - 32) #define FORCE_UGM_FENCE_SCOPE_TO_TILE REG_BIT(41 - 32) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index fcde2e1562ab..0ddddccc4354 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -2941,6 +2941,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li true); } + if (IS_DG2_G10(i915) || IS_DG2_G12(i915)) { + /* Wa_18028616096 */ + wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3); + } + if (IS_XEHPSDV(i915)) { /* Wa_1409954639 */ wa_mcr_masked_en(wal, -- cgit v1.2.3