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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-16 22:55:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-21 18:32:58 +0200
commit379ef82d460fae81d167c0fba45b0f3513fc6cb7 (patch)
tree854cca89e420e050ff59e86a8ad7d1930ce5c7fe /drivers/gpu/drm/i915/i915_irq.c
parent4356d5864c29b9f822a496ab62f24a8971e1fbce (diff)
drm/i915: Enable CRC interrupts on pre-gen5/vlv
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.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.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b31e7ca614bf..5c3baa0ec049 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2574,7 +2574,8 @@ static int valleyview_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 enable_mask;
- u32 pipestat_enable = PLANE_FLIP_DONE_INT_EN_VLV;
+ u32 pipestat_enable = PLANE_FLIP_DONE_INT_EN_VLV |
+ PIPE_CRC_DONE_ENABLE;
unsigned long irqflags;
enable_mask = I915_DISPLAY_PORT_INTERRUPT;
@@ -2697,6 +2698,7 @@ static void i8xx_irq_preinstall(struct drm_device * dev)
static int i8xx_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ unsigned long irqflags;
I915_WRITE16(EMR,
~(I915_ERROR_PAGE_TABLE | I915_ERROR_MEMORY_REFRESH));
@@ -2717,6 +2719,13 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
I915_USER_INTERRUPT);
POSTING_READ16(IER);
+ /* Interrupt setup is already guaranteed to be single-threaded, this is
+ * just to make the assert_spin_locked check happy. */
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 0, PIPE_CRC_DONE_ENABLE);
+ i915_enable_pipestat(dev_priv, 1, PIPE_CRC_DONE_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+
return 0;
}
@@ -2857,6 +2866,7 @@ static int i915_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 enable_mask;
+ unsigned long irqflags;
I915_WRITE(EMR, ~(I915_ERROR_PAGE_TABLE | I915_ERROR_MEMORY_REFRESH));
@@ -2892,6 +2902,13 @@ static int i915_irq_postinstall(struct drm_device *dev)
i915_enable_asle_pipestat(dev);
+ /* Interrupt setup is already guaranteed to be single-threaded, this is
+ * just to make the assert_spin_locked check happy. */
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ i915_enable_pipestat(dev_priv, 0, PIPE_CRC_DONE_ENABLE);
+ i915_enable_pipestat(dev_priv, 1, PIPE_CRC_DONE_ENABLE);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+
return 0;
}
@@ -3105,6 +3122,8 @@ static int i965_irq_postinstall(struct drm_device *dev)
* just to make the assert_spin_locked check happy. */
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
i915_enable_pipestat(dev_priv, 0, PIPE_GMBUS_EVENT_ENABLE);
+ i915_enable_pipestat(dev_priv, 0, PIPE_CRC_DONE_ENABLE);
+ i915_enable_pipestat(dev_priv, 1, PIPE_CRC_DONE_ENABLE);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
/*