From: Paulo Zanoni <paulo.r.zan...@intel.com>
The register doesn't exist on Gen 5.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c45578d..f9b97ab 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1366,7 +1366,7 @@ static irqreturn_t ironlake_irq_handler(int irq, void
*arg)
struct drm_device *dev = (struct drm_device *) arg;
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
int ret = IRQ_NONE;
- u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier;
+ u32 de_iir, gt_iir, de_ier, pm_iir = 0, sde_ier;
atomic_inc(&dev_priv->irq_received);
@@ -1386,7 +1386,8 @@ static irqreturn_t ironlake_irq_handler(int irq, void
*arg)
de_iir = I915_READ(DEIIR);
gt_iir = I915_READ(GTIIR);
- pm_iir = I915_READ(GEN6_PMIIR);
+ if (IS_GEN6(dev))
+ pm_iir = I915_READ(GEN6_PMIIR);
if (de_iir == 0 && gt_iir == 0 && (!IS_GEN6(dev) || pm_iir == 0))
goto done;
@@ -1406,7 +1407,8 @@ static irqreturn_t ironlake_irq_handler(int irq, void
*arg)
I915_WRITE(GTIIR, gt_iir);
I915_WRITE(DEIIR, de_iir);
- I915_WRITE(GEN6_PMIIR, pm_iir);
+ if (IS_GEN6(dev))
+ I915_WRITE(GEN6_PMIIR, pm_iir);
done:
I915_WRITE(DEIER, de_ier);
--
1.8.1.2
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
