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| author | Dave Airlie <airlied@starflyer.(none)> | 2005-11-10 12:28:56 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2005-11-10 12:28:56 +0100 |
| commit | 3f9df54d6386bb632ffc00665489bb3bb3bf6ff2 (patch) | |
| tree | 1fdd818d7c58ebc80e4b0006d0b40b7467c1d881 /drivers/char/drm/drm_fops.c | |
| parent | drm: rename driver hooks more understandably (diff) | |
| download | linux-3f9df54d6386bb632ffc00665489bb3bb3bf6ff2.tar.xz linux-3f9df54d6386bb632ffc00665489bb3bb3bf6ff2.zip | |
drm: remove drm_init.c it is no longer needed
Move drm_cpu_valid into drm_fops.c
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm_fops.c')
| -rw-r--r-- | drivers/char/drm/drm_fops.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index f57f7d1a281e..28f01305377f 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -322,6 +322,23 @@ int drm_release(struct inode *inode, struct file *filp) EXPORT_SYMBOL(drm_release); /** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. + */ +static int drm_cpu_valid(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) + return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} + +/** * Called whenever a process opens /dev/drm. * * \param inode device inode. |