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drm/i915: Only init engines once

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We can do this.

And now there's finally the clean split between software setup and
hardware setup I kinda wanted since multi-ring support was merged
aeons ago. It only took almost 5 years.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-11-20 00:33:07 +01:00
commit 35a57ffbb1
3 changed files with 10 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

9
drivers/gpu/drm/i915/i915_gem.c
View file

@ -4769,6 +4769,7 @@ int
i915_gem_init_hw(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *ring;
int ret, i;
if (INTEL_INFO(dev)->gen < 6 && !intel_enable_gtt())
@ -4795,9 +4796,11 @@ i915_gem_init_hw(struct drm_device *dev)
i915_gem_init_swizzling(dev);
ret = dev_priv->gt.init_rings(dev);
for_each_ring(ring, dev_priv, i) {
ret = ring->init_hw(ring);
if (ret)
return ret;
}
for (i = 0; i < NUM_L3_SLICES(dev); i++)
i915_gem_l3_remap(&dev_priv->ring[RCS], i);
@ -4870,6 +4873,10 @@ int i915_gem_init(struct drm_device *dev)
return ret;
}
ret = dev_priv->gt.init_rings(dev);
if (ret)
return ret;
ret = i915_gem_init_hw(dev);
if (ret == -EIO) {
/* Allow ring initialisation to fail by marking the GPU as

6
drivers/gpu/drm/i915/intel_lrc.c
View file

@ -1387,12 +1387,6 @@ static int logical_ring_init(struct drm_device *dev, struct intel_engine_cs *rin
if (ret)
return ret;
if (ring->init_hw) {
ret = ring->init_hw(ring);
if (ret)
return ret;
}
ret = intel_lr_context_deferred_create(ring->default_context, ring);
return ret;

4
drivers/gpu/drm/i915/intel_ringbuffer.c
View file

@ -1859,10 +1859,6 @@ static int intel_init_ring_buffer(struct drm_device *dev,
if (ret)
goto error;
ret = ring->init_hw(ring);
if (ret)
goto error;
return 0;
error: