diff options
Diffstat (limited to 'drivers/gpu/drm/i810/i810_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i810/i810_dma.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index 09c86ed8992..0e6c131313d 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -37,6 +37,7 @@ #include <linux/interrupt.h> /* For task queue support */ #include <linux/delay.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/pagemap.h> #define I810_BUF_FREE 2 @@ -1240,22 +1241,35 @@ int i810_driver_dma_quiescent(struct drm_device *dev) return 0; } +/* + * call the drm_ioctl under the big kernel lock because + * to lock against the i810_mmap_buffers function. + */ +long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int ret; + lock_kernel(); + ret = drm_ioctl(file, cmd, arg); + unlock_kernel(); + return ret; +} + struct drm_ioctl_desc i810_ioctls[] = { - DRM_IOCTL_DEF(DRM_I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_I810_VERTEX, i810_dma_vertex, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_CLEAR, i810_clear_bufs, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_FLUSH, i810_flush_ioctl, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_GETAGE, i810_getage, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_GETBUF, i810_getbuf, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_SWAP, i810_swap_bufs, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_COPY, i810_copybuf, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_DOCOPY, i810_docopy, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_OV0INFO, i810_ov0_info, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_FSTATUS, i810_fstatus, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_OV0FLIP, i810_ov0_flip, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_I810_RSTATUS, i810_rstatus, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I810_FLIP, i810_flip_bufs, DRM_AUTH) + DRM_IOCTL_DEF(DRM_I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_VERTEX, i810_dma_vertex, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_CLEAR, i810_clear_bufs, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_FLUSH, i810_flush_ioctl, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_GETAGE, i810_getage, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_GETBUF, i810_getbuf, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_SWAP, i810_swap_bufs, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_COPY, i810_copybuf, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_DOCOPY, i810_docopy, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_OV0INFO, i810_ov0_info, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_FSTATUS, i810_fstatus, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_OV0FLIP, i810_ov0_flip, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_RSTATUS, i810_rstatus, DRM_AUTH|DRM_UNLOCKED), + DRM_IOCTL_DEF(DRM_I810_FLIP, i810_flip_bufs, DRM_AUTH|DRM_UNLOCKED), }; int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); |