diff options
Diffstat (limited to 'shared-core/via_irq.c')
| -rw-r--r-- | shared-core/via_irq.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c index aaba0cb6..1862fbcf 100644 --- a/shared-core/via_irq.c +++ b/shared-core/via_irq.c @@ -43,7 +43,7 @@ #define VIA_REG_INTERRUPT 0x200 /* VIA_REG_INTERRUPT */ -#define VIA_IRQ_GLOBAL (1 << 31) +#define VIA_IRQ_GLOBAL (1 << 31) #define VIA_IRQ_VBLANK_ENABLE (1 << 19) #define VIA_IRQ_VBLANK_PENDING (1 << 3) #define VIA_IRQ_HQV0_ENABLE (1 << 11) @@ -93,8 +93,8 @@ static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1}; static unsigned time_diff(struct timeval *now,struct timeval *then) { return (now->tv_usec >= then->tv_usec) ? - now->tv_usec - then->tv_usec : - 1000000 - (then->tv_usec - now->tv_usec); + now->tv_usec - then->tv_usec : + 1000000 - (then->tv_usec - now->tv_usec); } irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) @@ -110,21 +110,21 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) status = VIA_READ(VIA_REG_INTERRUPT); if (status & VIA_IRQ_VBLANK_PENDING) { atomic_inc(&dev->vbl_received); - if (!(atomic_read(&dev->vbl_received) & 0x0F)) { + if (!(atomic_read(&dev->vbl_received) & 0x0F)) { #ifdef __linux__ do_gettimeofday(&cur_vblank); #else microtime(&cur_vblank); #endif - if (dev_priv->last_vblank_valid) { + if (dev_priv->last_vblank_valid) { dev_priv->usec_per_vblank = time_diff(&cur_vblank, &dev_priv->last_vblank) >> 4; } dev_priv->last_vblank = cur_vblank; dev_priv->last_vblank_valid = 1; - } - if (!(atomic_read(&dev->vbl_received) & 0xFF)) { + } + if (!(atomic_read(&dev->vbl_received) & 0xFF)) { DRM_DEBUG("US per vblank is: %u\n", dev_priv->usec_per_vblank); } @@ -198,13 +198,13 @@ int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence) return ret; } -int +static int via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, unsigned int *sequence) { drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; unsigned int cur_irq_sequence; - drm_via_irq_t *cur_irq = dev_priv->via_irqs; + drm_via_irq_t *cur_irq; int ret = 0; maskarray_t *masks; int real_irq; @@ -231,7 +231,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, } masks = dev_priv->irq_masks; - cur_irq += real_irq; + cur_irq = dev_priv->via_irqs + real_irq; if (masks[real_irq][2] && !force_sequence) { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, @@ -257,11 +257,12 @@ void via_driver_irq_preinstall(drm_device_t * dev) { drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; u32 status; - drm_via_irq_t *cur_irq = dev_priv->via_irqs; + drm_via_irq_t *cur_irq; int i; DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv); if (dev_priv) { + cur_irq = dev_priv->via_irqs; dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE; dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; @@ -285,7 +286,7 @@ void via_driver_irq_preinstall(drm_device_t * dev) DRM_DEBUG("Initializing IRQ %d\n", i); } - dev_priv->last_vblank_valid = 0; + dev_priv->last_vblank_valid = 0; /* Clear VSync interrupt regs */ status = VIA_READ(VIA_REG_INTERRUPT); |