diff options
| author | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2019-11-13 15:19:53 -0800 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-13 23:33:28 +0000 |
| commit | 5ba2bb587d89f0d44fbe4b74492c20dbf840cbfe (patch) | |
| tree | dc42815ec8dc13d54334203f2b3ac0048b06c90c | |
| parent | 48715f7001742e0d1cb20cffab1a0d75f5f7ad72 (diff) | |
| download | linux-5ba2bb587d89f0d44fbe4b74492c20dbf840cbfe.tar.gz linux-5ba2bb587d89f0d44fbe4b74492c20dbf840cbfe.zip | |
drm/i915/tgl: Wa_1606679103
Extend disabling SAMPLER_STATE prefetch workaround to gen12.
v2: Limit the WA to TGL A0 and update the WA no(Chris)
BSpec: 52890
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191113231953.24853-1-radhakrishna.sripada@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index e4bccc14602f..399acae2f33f 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1315,6 +1315,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) GEN6_RC_SLEEP_PSMI_CONTROL, GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE | GEN8_RC_SEMA_IDLE_MSG_DISABLE); + + /* + * Wa_1606679103:tgl + * (see also Wa_1606682166:icl) + */ + wa_write_or(wal, + GEN7_SARCHKMD, + GEN7_DISABLE_SAMPLER_PREFETCH); } if (IS_GEN(i915, 11)) { |