Wa_18018764978 applies to specific steppings of DG2 (G10 C0+,
G11 and G12 A0+). Clean up style in function at the same time.
Bspec: 66622
Signed-off-by: Matt Atwood <matthew.s.atw...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++
drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 ++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 80a979e6f6be..74379d3c5a4d 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -457,6 +457,9 @@
#define GEN8_L3CNTLREG _MMIO(0x7034)
#define GEN8_ERRDETBCTRL (1 << 9)
+#define PSS_MODE2 _MMIO(0x703c)
+#define SCOREBOARD_STALL_FLUSH_CONTROL REG_BIT(5)
+
#define GEN7_SC_INSTDONE _MMIO(0x7100)
#define GEN12_SC_INSTDONE_EXTRA _MMIO(0x7104)
#define GEN12_SC_INSTDONE_EXTRA2 _MMIO(0x7108)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 2afb4f80a954..870db5a202dd 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -771,9 +771,14 @@ static void dg2_ctx_workarounds_init(struct
intel_engine_cs *engine,
/* Wa_14014947963:dg2 */
if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_B0, STEP_FOREVER) ||
- IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
+ IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
wa_masked_field_set(wal, VF_PREEMPTION,
PREEMPTION_VERTEX_COUNT, 0x4000);
+ /* Wa_18018764978:dg2 */
+ if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_C0, STEP_FOREVER) ||
+ IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
+ wa_masked_en(wal, PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL);
+
/* Wa_15010599737:dg2 */
wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
}
--
2.38.1
