From: Ben Widawsky <benjamin.widaw...@intel.com>
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
v2: Set Replay Mode to 0 per BSpec
Michel Thierry <michel.thie...@intel.com>
v3: Several rebases.
Signed-off-by: Oscar Mateo <oscar.ma...@intel.com>
---
drivers/gpu/drm/i915/i915_lrc.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_lrc.c b/drivers/gpu/drm/i915/i915_lrc.c
index f0176ff..a726b26 100644
--- a/drivers/gpu/drm/i915/i915_lrc.c
+++ b/drivers/gpu/drm/i915/i915_lrc.c
@@ -252,7 +252,7 @@ int gen8_gem_context_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine *ring;
- int ret = -ENOSYS, ring_id;
+ int ret, ring_id;
dev_priv->hw_context_size = round_up(GEN8_LR_CONTEXT_SIZE, 4096);
@@ -265,8 +265,17 @@ int gen8_gem_context_init(struct drm_device *dev)
ring->default_context = NULL;
goto err_out;
}
+
+ I915_WRITE(RING_MODE_GEN7(ring),
+ _MASKED_BIT_DISABLE(GFX_REPLAY_MODE) |
+ _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE));
+ POSTING_READ(RING_MODE_GEN7(ring));
+
+ DRM_DEBUG_DRIVER("Enabled default logical ring context for
%s\n", ring->name);
}
+ return 0;
+
err_out:
gen8_gem_context_fini(dev);
return ret;
--
1.9.0
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