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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-23 16:06:00 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-23 18:53:02 +0300 |
| commit | b403c8feaf4838ad54cb9c15d0ad8453aa90af50 (patch) | |
| tree | a84bd415c6eec567eca0e98a2e0c9c5858087939 /drivers/gpu/drm/i915 | |
| parent | 68bee6157384017521e881c9436b3b6336cfac96 (diff) | |
| download | linux-b403c8feaf4838ad54cb9c15d0ad8453aa90af50.tar.xz | |
drm/i915: Remove BXT TDL state w/a
This w/a (WaClearTdlStateAckDirtyBits) was only used for preproduction hw,
which is no longer in use. Remove the workaround to simplify the code.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170123130601.2281-5-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 029a60e8683d..32096d141d57 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1170,25 +1170,6 @@ static int gen9_init_perctx_bb(struct intel_engine_cs *engine, { uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS); - /* WaClearTdlStateAckDirtyBits:bxt */ - if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_B0)) { - wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(4)); - - wa_ctx_emit_reg(batch, index, GEN8_STATE_ACK); - wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS)); - - wa_ctx_emit_reg(batch, index, GEN9_STATE_ACK_SLICE1); - wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS)); - - wa_ctx_emit_reg(batch, index, GEN9_STATE_ACK_SLICE2); - wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS)); - - wa_ctx_emit_reg(batch, index, GEN7_ROW_CHICKEN2); - /* dummy write to CS, mask bits are 0 to ensure the register is not modified */ - wa_ctx_emit(batch, index, 0x0); - wa_ctx_emit(batch, index, MI_NOOP); - } - wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END); return wa_ctx_end(wa_ctx, *offset = index, 1); |