From: José Roberto de Souza Date: Mon, 2 Mar 2020 23:14:21 +0000 (-0800) Subject: drm/i915/tgl: Move and restrict Wa_1408615072 X-Git-Tag: v5.10.7~1861^2~24^2~735 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=50148a25f841dc1e2cffe1669d4782dfa75d85d6;p=platform%2Fkernel%2Flinux-rpi.git drm/i915/tgl: Move and restrict Wa_1408615072 Following the changes in the previous patch "drm/i915/gen11: Moving WAs to rcs_engine_wa_init()" also moving TGL Wa_1408615072 to rcs_engine_wa_init() this way after a engine reset it will be reapplied also restricting it to A0 as it is fixed in B0 stepping. BSpec: 52890 Cc: Matt Roper Signed-off-by: José Roberto de Souza Reviewed-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20200302231421.224322-2-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 90e1c48..cb7d85c 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1380,6 +1380,10 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) * Wa_14010229206:tgl */ wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH); + + /* Wa_1408615072:tgl */ + wa_masked_en(wal, UNSLICE_UNIT_LEVEL_CLKGATE2, + VSUNIT_CLKGATE_DIS_TGL); } if (IS_TIGERLAKE(i915)) { diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 392cb85..2657236 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6816,10 +6816,6 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv) u32 vd_pg_enable = 0; unsigned int i; - /* Wa_1408615072:tgl */ - intel_uncore_rmw(&dev_priv->uncore, UNSLICE_UNIT_LEVEL_CLKGATE2, - 0, VSUNIT_CLKGATE_DIS_TGL); - /* This is not a WA. Enable VD HCP & MFX_ENC powergate */ for (i = 0; i < I915_MAX_VCS; i++) { if (HAS_ENGINE(dev_priv, _VCS(i)))