diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 41 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fifo_underrun.c | 8 |
3 files changed, 51 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e0a2f9fcc8d8..256a3bcc5f70 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2764,6 +2764,20 @@ ilk_disable_display_irq(struct drm_i915_private *dev_priv, uint32_t bits) { ilk_update_display_irq(dev_priv, bits, 0); } +void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, + enum pipe pipe, + uint32_t interrupt_mask, + uint32_t enabled_irq_mask); +static inline void bdw_enable_pipe_irq(struct drm_i915_private *dev_priv, + enum pipe pipe, uint32_t bits) +{ + bdw_update_pipe_irq(dev_priv, pipe, bits, bits); +} +static inline void bdw_disable_pipe_irq(struct drm_i915_private *dev_priv, + enum pipe pipe, uint32_t bits) +{ + bdw_update_pipe_irq(dev_priv, pipe, bits, 0); +} void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, uint32_t interrupt_mask, uint32_t enabled_irq_mask); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index db69bf54801a..62d885fa321a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -438,6 +438,38 @@ static void bdw_update_port_irq(struct drm_i915_private *dev_priv, } /** + * bdw_update_pipe_irq - update DE pipe interrupt + * @dev_priv: driver private + * @pipe: pipe whose interrupt to update + * @interrupt_mask: mask of interrupt bits to update + * @enabled_irq_mask: mask of interrupt bits to enable + */ +void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, + enum pipe pipe, + uint32_t interrupt_mask, + uint32_t enabled_irq_mask) +{ + uint32_t new_val; + + assert_spin_locked(&dev_priv->irq_lock); + + WARN_ON(enabled_irq_mask & ~interrupt_mask); + + if (WARN_ON(!intel_irqs_enabled(dev_priv))) + return; + + new_val = dev_priv->de_irq_mask[pipe]; + new_val &= ~interrupt_mask; + new_val |= (~enabled_irq_mask & interrupt_mask); + + if (new_val != dev_priv->de_irq_mask[pipe]) { + dev_priv->de_irq_mask[pipe] = new_val; + I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); + POSTING_READ(GEN8_DE_PIPE_IMR(pipe)); + } +} + +/** * ibx_display_interrupt_update - update SDEIMR * @dev_priv: driver private * @interrupt_mask: mask of interrupt bits to update @@ -2668,10 +2700,9 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - dev_priv->de_irq_mask[pipe] &= ~GEN8_PIPE_VBLANK; - I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); - POSTING_READ(GEN8_DE_PIPE_IMR(pipe)); + bdw_enable_pipe_irq(dev_priv, pipe, GEN8_PIPE_VBLANK); spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); + return 0; } @@ -2719,9 +2750,7 @@ static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - dev_priv->de_irq_mask[pipe] |= GEN8_PIPE_VBLANK; - I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); - POSTING_READ(GEN8_DE_PIPE_IMR(pipe)); + bdw_disable_pipe_irq(dev_priv, pipe, GEN8_PIPE_VBLANK); spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } diff --git a/drivers/gpu/drm/i915/intel_fifo_underrun.c b/drivers/gpu/drm/i915/intel_fifo_underrun.c index 48bd079bdb06..bda526660e20 100644 --- a/drivers/gpu/drm/i915/intel_fifo_underrun.c +++ b/drivers/gpu/drm/i915/intel_fifo_underrun.c @@ -178,14 +178,10 @@ static void broadwell_set_fifo_underrun_reporting(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; - assert_spin_locked(&dev_priv->irq_lock); - if (enable) - dev_priv->de_irq_mask[pipe] &= ~GEN8_PIPE_FIFO_UNDERRUN; + bdw_enable_pipe_irq(dev_priv, pipe, GEN8_PIPE_FIFO_UNDERRUN); else - dev_priv->de_irq_mask[pipe] |= GEN8_PIPE_FIFO_UNDERRUN; - I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]); - POSTING_READ(GEN8_DE_PIPE_IMR(pipe)); + bdw_disable_pipe_irq(dev_priv, pipe, GEN8_PIPE_FIFO_UNDERRUN); } static void ibx_set_fifo_underrun_reporting(struct drm_device *dev, |