The function vlv_display_irq_postinstall is used by both valleyview
and cherryview irq handling. I915_LPE_PIPE_C_INTERRUPT is specific
to cherryview so should be excluded from any valleyview associated
bitwise operations.
Signed-off-by: Ian W Morrison <linuxium@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c
b/drivers/gpu/drm/i915/i915_irq.c
index f0880af..ee61808 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2940,9 +2940,10 @@ static void vlv_display_irq_postinstall(struct
drm_i915_private *dev_priv)
WARN_ON(dev_priv->irq_mask != ~0);
- val = (I915_LPE_PIPE_A_INTERRUPT |
- I915_LPE_PIPE_B_INTERRUPT |
- I915_LPE_PIPE_C_INTERRUPT);
+ val = I915_LPE_PIPE_A_INTERRUPT |
+ I915_LPE_PIPE_B_INTERRUPT;
+ if (IS_CHERRYVIEW(dev_priv))
+ val |= I915_LPE_PIPE_C_INTERRUPT;
enable_mask |= val;
--
1.9.1
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