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drm/i915: Use correct fw_domains during initialisation

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In the next patch we will begin to sanity check that we do not attempt
to obtain the forcewake on an unsupport domain. However, that is exactly
what we do during our actual initialisation of fw_domains - rectify it
before it explodes.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170323101944.21627-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-03-23 10:19:39 +00:00
parent 577ac4bd4c
commit bd52750485
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_uncore.c
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@ -1253,9 +1253,9 @@ static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv)
FORCEWAKE_MT, FORCEWAKE_MT_ACK);
spin_lock_irq(&dev_priv->uncore.lock);
fw_domains_get_with_thread_status(dev_priv, FORCEWAKE_ALL);
fw_domains_get_with_thread_status(dev_priv, FORCEWAKE_RENDER);
ecobus = __raw_i915_read32(dev_priv, ECOBUS);
fw_domains_put_with_fifo(dev_priv, FORCEWAKE_ALL);
fw_domains_put_with_fifo(dev_priv, FORCEWAKE_RENDER);
spin_unlock_irq(&dev_priv->uncore.lock);
if (!(ecobus & FORCEWAKE_MT_ENABLE)) {