Commit ea9c6215 authored by Wayne Boyer's avatar Wayne Boyer Committed by Matt Roper

drm/i915/dg2: Introduce Wa_18017747507

WA 18017747507 applies to all DG2 skus.

BSpec: 56035, 46121, 68173
Signed-off-by: default avatarWayne Boyer <wayne.boyer@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221031131509.3411195-1-wayne.boyer@intel.com
parent 3096ae43
......@@ -498,6 +498,9 @@
#define VF_PREEMPTION _MMIO(0x83a4)
#define PREEMPTION_VERTEX_COUNT REG_GENMASK(15, 0)
#define VFG_PREEMPTION_CHICKEN _MMIO(0x83b4)
#define POLYGON_TRIFAN_LINELOOP_DISABLE REG_BIT(4)
#define GEN8_RC6_CTX_INFO _MMIO(0x8504)
#define XEHP_SQCM MCR_REG(0x8724)
......
......@@ -2975,6 +2975,9 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
* Wa_22015475538:dg2
*/
wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
/* Wa_18017747507:dg2 */
wa_masked_en(wal, VFG_PREEMPTION_CHICKEN, POLYGON_TRIFAN_LINELOOP_DISABLE);
}
}
......
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