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authorDamien Lespiau2015-03-06 19:50:48 +0100
committerDaniel Vetter2015-03-17 22:30:06 +0100
commit4c6c03be125e9d8477c2d8ef3c3280270956b1fe (patch)
tree3880d0ccd3efafcc7b64e5be9760dc022675bdd1 /drivers/gpu/drm/i915/i915_irq.c
parentdrm/i915/chv: Add CHV HW status to SSEU status (diff)
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drm/i915/skl: Make gen8_irq_power_well_post_enable() take a pipe mask
While we only need to restore pipe B/C interrupt registers on BDW when enabling the power well, skylake a bit more flexible and we'll also need to restore the pipe A registers as it has its own power well that can be toggled. Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9baecb79de8c..d77a4b6ee74b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3169,15 +3169,20 @@ static void gen8_irq_reset(struct drm_device *dev)
ibx_irq_reset(dev);
}
-void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv)
+void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
+ unsigned int pipe_mask)
{
uint32_t extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN;
spin_lock_irq(&dev_priv->irq_lock);
- GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B, dev_priv->de_irq_mask[PIPE_B],
- ~dev_priv->de_irq_mask[PIPE_B] | extra_ier);
- GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C, dev_priv->de_irq_mask[PIPE_C],
- ~dev_priv->de_irq_mask[PIPE_C] | extra_ier);
+ if (pipe_mask & 1 << PIPE_B)
+ GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_B,
+ dev_priv->de_irq_mask[PIPE_B],
+ ~dev_priv->de_irq_mask[PIPE_B] | extra_ier);
+ if (pipe_mask & 1 << PIPE_C)
+ GEN8_IRQ_INIT_NDX(DE_PIPE, PIPE_C,
+ dev_priv->de_irq_mask[PIPE_C],
+ ~dev_priv->de_irq_mask[PIPE_C] | extra_ier);
spin_unlock_irq(&dev_priv->irq_lock);
}