drm/i915/tgl: Make Wa_14010229206 permanent

This workaround now applies to all steppings, not just A0.
Wa_1409085225 is a temporary A0-only W/A however it is
identical to Wa_14010229206 and hence the combined workaround
is made permanent.
Bspec: 52890

Signed-off-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
Tested-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
[mattrope: added missing blank line]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326234955.16155-1-swathi.dhanavanthri@intel.com

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index e96cc7f..5b1a03d 100644 (file)
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1380,12 +1380,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
                            GEN7_FF_THREAD_MODE,
                            GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
 
-               /*
-                * Wa_1409085225:tgl
-                * Wa_14010229206:tgl
-                */
-               wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
-
                /* Wa_1408615072:tgl */
                wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
                            VSUNIT_CLKGATE_DIS_TGL);
@@ -1403,6 +1397,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
                wa_masked_en(wal,
                             GEN9_CS_DEBUG_MODE1,
                             FF_DOP_CLOCK_GATE_DISABLE);
+
+               /*
+                * Wa_1409085225:tgl
+                * Wa_14010229206:tgl
+                */
+               wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
        }
 
        if (IS_GEN(i915, 11)) {