diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2015-03-06 18:50:48 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-03-17 22:30:06 +0100 |
| commit | 4c6c03be125e9d8477c2d8ef3c3280270956b1fe (patch) | |
| tree | 3880d0ccd3efafcc7b64e5be9760dc022675bdd1 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 5575f03a603d267e84ab3727f7241b8be5f7d8ee (diff) | |
| download | lwn-4c6c03be125e9d8477c2d8ef3c3280270956b1fe.tar.gz lwn-4c6c03be125e9d8477c2d8ef3c3280270956b1fe.zip | |
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.c | 15 |
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); } |