diff options
Diffstat (limited to 'linux/gamma_dma.c')
| -rw-r--r-- | linux/gamma_dma.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/linux/gamma_dma.c b/linux/gamma_dma.c index 2238d126..d3a9414d 100644 --- a/linux/gamma_dma.c +++ b/linux/gamma_dma.c @@ -41,6 +41,9 @@ static inline void gamma_dma_dispatch(drm_device_t *dev, unsigned long address, unsigned long length) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + GAMMA_WRITE(GAMMA_DMAADDRESS, virt_to_phys((void *)address)); while (GAMMA_READ(GAMMA_GCOMMANDSTATUS) != 4) ; @@ -49,6 +52,9 @@ static inline void gamma_dma_dispatch(drm_device_t *dev, unsigned long address, void gamma_dma_quiescent_single(drm_device_t *dev) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) ; while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3) @@ -65,6 +71,9 @@ void gamma_dma_quiescent_single(drm_device_t *dev) void gamma_dma_quiescent_dual(drm_device_t *dev) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) ; while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3) @@ -90,19 +99,27 @@ void gamma_dma_quiescent_dual(drm_device_t *dev) void gamma_dma_ready(drm_device_t *dev) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) ; } static inline int gamma_dma_is_ready(drm_device_t *dev) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + return !GAMMA_READ(GAMMA_DMACOUNT); } void gamma_dma_service(int irq, void *device, struct pt_regs *regs) { - drm_device_t *dev = (drm_device_t *)device; - drm_device_dma_t *dma = dev->dma; + drm_device_t *dev = (drm_device_t *)device; + drm_device_dma_t *dma = dev->dma; + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */ GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */ |