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drm/i915: WARN if we receive any gen9 rps interrupts

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Paulo noticed that we don't support RPS on GEN9 yet, so WARN for and
ignore any RPS interrupts on that platform.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2014-11-10 15:34:33 +02:00 committed by Daniel Vetter
parent b900b94967
commit 132f3f1767
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/i915_irq.c
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@ -1690,6 +1690,11 @@ static void i9xx_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe)
* the work queue. */
static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir)
{
/* TODO: RPS on GEN9 is not supported yet. */
if (WARN_ONCE(INTEL_INFO(dev_priv)->gen == 9,
"GEN9: unexpected RPS IRQ\n"))
return;
if (pm_iir & dev_priv->pm_rps_events) {
spin_lock(&dev_priv->irq_lock);
dev_priv->rps.pm_iir |= pm_iir & dev_priv->pm_rps_events;