diff options
| author | Zou Nan hai <nanhai.zou@intel.com> | 2007-01-24 16:33:21 +0800 |
|---|---|---|
| committer | Zou Nan hai <nanhai.zou@intel.com> | 2007-01-24 16:33:21 +0800 |
| commit | 7d4e6b1445d4c734f1dd6070ffa041c42e649e91 (patch) | |
| tree | 86b83e2e8b80ae41c8f4afcd5e1bcfd9484037e6 /shared-core | |
| parent | 19ba0749384994662e0d6167c70cc6fbd78eb0ff (diff) | |
vblank interrupt fix
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_drv.h | 6 | ||||
| -rw-r--r-- | shared-core/i915_irq.c | 11 |
2 files changed, 16 insertions, 1 deletions
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 98f58940..ef9f3638 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -254,6 +254,12 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); #define I915REG_INT_ENABLE_R 0x020a0 #define I915REG_INSTPM 0x020c0 +#define I915REG_PIPEASTAT 0x70024 +#define I915REG_PIPEBSTAT 0x71024 + +#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17) +#define I915_VBLANK_CLEAR (1UL<<1) + #define SRX_INDEX 0x3c4 #define SRX_DATA 0x3c5 #define SR01 1 diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 97723653..5ff87880 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -214,9 +214,12 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) drm_device_t *dev = (drm_device_t *) arg; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u16 temp; + u32 pipea_stats, pipeb_stats; + pipea_stats = I915_READ(I915REG_PIPEASTAT); + pipeb_stats = I915_READ(I915REG_PIPEBSTAT); + temp = I915_READ16(I915REG_INT_IDENTITY_R); - temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG); #if 0 @@ -257,6 +260,12 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) if (dev_priv->swaps_pending > 0) drm_locked_tasklet(dev, i915_vblank_tasklet); + I915_WRITE(I915REG_PIPEASTAT, + pipea_stats|I915_VBLANK_INTERRUPT_ENABLE| + I915_VBLANK_CLEAR); + I915_WRITE(I915REG_PIPEBSTAT, + pipeb_stats|I915_VBLANK_INTERRUPT_ENABLE| + I915_VBLANK_CLEAR); } return IRQ_HANDLED; |