diff options
Diffstat (limited to 'shared-core')
-rw-r--r-- | shared-core/i915_dma.c | 47 | ||||
-rw-r--r-- | shared-core/i915_drv.h | 1 | ||||
-rw-r--r-- | shared-core/i915_irq.c | 54 |
3 files changed, 50 insertions, 52 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index ad6e1293..e57580fe 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1010,7 +1010,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) { struct drm_i915_private *dev_priv; unsigned long base, size; - int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; + int ret = 0, num_pipes = 2, mmio_bar = IS_I9XX(dev) ? 0 : 1; /* i915 has 4 more counters */ dev->counters += 4; @@ -1041,12 +1041,57 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) intel_opregion_init(dev); #endif + I915_WRITE16(HWSTAM, 0xeffe); + I915_WRITE16(IMR, 0x0); + I915_WRITE16(IER, 0x0); + + DRM_SPININIT(&dev_priv->swaps_lock, "swap"); + INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); + dev_priv->swaps_pending = 0; + + DRM_SPININIT(&dev_priv->user_irq_lock, "userirq"); + dev_priv->user_irq_refcount = 0; + dev_priv->irq_enable_reg = 0; + + ret = drm_vblank_init(dev, num_pipes); + if (ret) + return ret; + + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; + dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ + + i915_enable_interrupt(dev); + DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); + + /* + * Initialize the hardware status page IRQ location. + */ + + I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); + return ret; } int i915_driver_unload(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + u32 temp; + + if (dev_priv) { + dev_priv->vblank_pipe = 0; + + dev_priv->irq_enabled = 0; + I915_WRITE(HWSTAM, 0xffffffff); + I915_WRITE(IMR, 0xffffffff); + I915_WRITE(IER, 0x0); + + temp = I915_READ(PIPEASTAT); + I915_WRITE(PIPEASTAT, temp); + temp = I915_READ(PIPEBSTAT); + I915_WRITE(PIPEBSTAT, temp); + temp = I915_READ(IIR); + I915_WRITE(IIR, temp); + } if (dev_priv->mmio_map) drm_rmmap(dev, dev_priv->mmio_map); diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 421572cd..a77fcf04 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -307,6 +307,7 @@ extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(struct drm_device * dev); extern int i915_driver_irq_postinstall(struct drm_device * dev); extern void i915_driver_irq_uninstall(struct drm_device * dev); +extern void i915_enable_interrupt(struct drm_device *dev); extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index b95d0f1e..135d6159 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -668,7 +668,7 @@ void i915_disable_vblank(struct drm_device *dev, int plane) } } -static void i915_enable_interrupt (struct drm_device *dev) +void i915_enable_interrupt (struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; @@ -876,63 +876,15 @@ int i915_vblank_swap(struct drm_device *dev, void *data, */ void i915_driver_irq_preinstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - - I915_WRITE16(HWSTAM, 0xeffe); - I915_WRITE16(IMR, 0x0); - I915_WRITE16(IER, 0x0); + return; } int i915_driver_irq_postinstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int ret, num_pipes = 2; - - DRM_SPININIT(&dev_priv->swaps_lock, "swap"); - INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); - dev_priv->swaps_pending = 0; - - DRM_SPININIT(&dev_priv->user_irq_lock, "userirq"); - dev_priv->user_irq_refcount = 0; - dev_priv->irq_enable_reg = 0; - - ret = drm_vblank_init(dev, num_pipes); - if (ret) - return ret; - - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; - dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ - - i915_enable_interrupt(dev); - DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); - - /* - * Initialize the hardware status page IRQ location. - */ - - I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); return 0; } void i915_driver_irq_uninstall(struct drm_device * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 temp; - - if (!dev_priv) - return; - - dev_priv->vblank_pipe = 0; - - dev_priv->irq_enabled = 0; - I915_WRITE(HWSTAM, 0xffffffff); - I915_WRITE(IMR, 0xffffffff); - I915_WRITE(IER, 0x0); - - temp = I915_READ(PIPEASTAT); - I915_WRITE(PIPEASTAT, temp); - temp = I915_READ(PIPEBSTAT); - I915_WRITE(PIPEBSTAT, temp); - temp = I915_READ(IIR); - I915_WRITE(IIR, temp); + return; } |