diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2023-01-05 15:44:08 -0800 |
|---|---|---|
| committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2023-01-06 11:27:10 -0800 |
| commit | 41bb543f5598fb44e0e8dbd723f5821be83b466b (patch) | |
| tree | e0bed7c1ca3d9141fd4057d8e6c388f627e0cb22 /drivers/gpu/drm/i915/gt/intel_engine_cs.c | |
| parent | d2c3c8c3d3833c45c09be671da48f9d46b79e347 (diff) | |
drm/i915/mtl: Add initial gt workarounds
This patch introduces initial gt workarounds for the MTL platform.
v2: drop redundant/stale comments specifying wa platforms affected
(Lucas).
v3: drop additional redundant stale comments (MattR)
Bspec: 66622
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230105234408.277750-1-matthew.s.atwood@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 99c4b866addd..922f1bb22dc6 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1494,10 +1494,12 @@ static int __intel_engine_stop_cs(struct intel_engine_cs *engine, intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING)); /* - * Wa_22011802037 : gen11, gen12, Prior to doing a reset, ensure CS is + * Wa_22011802037: Prior to doing a reset, ensure CS is * stopped, set ring stop bit and prefetch disable bit to halt CS */ - if (IS_GRAPHICS_VER(engine->i915, 11, 12)) + if (IS_MTL_GRAPHICS_STEP(engine->i915, M, STEP_A0, STEP_B0) || + (GRAPHICS_VER(engine->i915) >= 11 && + GRAPHICS_VER_FULL(engine->i915) < IP_VER(12, 70))) intel_uncore_write_fw(uncore, RING_MODE_GEN7(engine->mmio_base), _MASKED_BIT_ENABLE(GEN12_GFX_PREFETCH_DISABLE)); |