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authorMatt Atwood <matthew.s.atwood@intel.com>2022-11-23 10:36:48 -0800
committerMatt Roper <matthew.d.roper@intel.com>2022-11-28 10:18:04 -0800
commit900a80c5836587d95db32742f66e1f34f7b40fcb (patch)
tree24582b0f9ebbca5370cae6d0e86025d58682862c /drivers/gpu
parent468a4e630c7da8cf586f85cc498d6097aed1ab4b (diff)
downloadlinux-900a80c5836587d95db32742f66e1f34f7b40fcb.tar.gz
drm/i915/dg2: Introduce Wa_18019271663
Wa_18019271663 applies to all DG2 steppings and skus. Bspec: 66622 Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com> Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221123183648.407058-2-matthew.s.atwood@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_regs.h7
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c3
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index bdeb31a40623..6caf2d8deb98 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -428,9 +428,10 @@
#define RC_OP_FLUSH_ENABLE (1 << 0)
#define HIZ_RAW_STALL_OPT_DISABLE (1 << 2)
#define CACHE_MODE_1 _MMIO(0x7004) /* IVB+ */
-#define PIXEL_SUBSPAN_COLLECT_OPT_DISABLE (1 << 6)
-#define GEN8_4x4_STC_OPTIMIZATION_DISABLE (1 << 6)
-#define GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE (1 << 1)
+#define MSAA_OPTIMIZATION_REDUC_DISABLE REG_BIT(11)
+#define PIXEL_SUBSPAN_COLLECT_OPT_DISABLE REG_BIT(6)
+#define GEN8_4x4_STC_OPTIMIZATION_DISABLE REG_BIT(6)
+#define GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE REG_BIT(1)
#define GEN7_GT_MODE _MMIO(0x7008)
#define GEN9_IZ_HASHING_MASK(slice) (0x3 << ((slice) * 2))
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 33e5120c1ad5..d5229039af87 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -780,6 +780,9 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
/* Wa_15010599737:dg2 */
wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
+
+ /* Wa_18019271663:dg2 */
+ wa_masked_en(wal, CACHE_MODE_1, MSAA_OPTIMIZATION_REDUC_DISABLE);
}
static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,