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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-04-18 14:27:20 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-04-18 17:33:49 +0100 |
| commit | 26ddc068de47e2a7cbbd06c915dca7a0dc22c499 (patch) | |
| tree | 5c1e38bd3fd2f80ca43844f5e0e71e865695df9e | |
| parent | dfe2c8ed23d7524dd363e1941039da63e3982e98 (diff) | |
| download | linux-26ddc068de47e2a7cbbd06c915dca7a0dc22c499.tar.bz2 | |
drm/i915: Setup the RCS ring prior to execution
We need to set the various ring registers prior to restarting the
engine, or else we may restart it after reset/resume in an ill-defined
state.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132720.3716-2-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 00bd9eeb053d..3844581f622c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -831,9 +831,6 @@ static int intel_rcs_ctx_init(struct i915_request *rq) static int init_render_ring(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; - int ret = init_ring_common(engine); - if (ret) - return ret; /* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */ if (IS_GEN_RANGE(dev_priv, 4, 6)) @@ -873,7 +870,7 @@ static int init_render_ring(struct intel_engine_cs *engine) if (IS_GEN_RANGE(dev_priv, 6, 7)) I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING)); - return 0; + return init_ring_common(engine); } static void cancel_requests(struct intel_engine_cs *engine) |