diff options
| author | George Sapountzis <gsap7@yahoo.gr> | 2006-10-24 21:03:04 +0200 |
|---|---|---|
| committer | airlied <airlied@linux.ie> | 2006-12-07 05:53:31 +0100 |
| commit | 3417f33e762bf7d4277031a655e3ad07e73ce0be (patch) | |
| tree | 255d4871a0a7affbeab8d35f5b072a70ef064cfd /drivers/char/drm/drm.h | |
| parent | drm: fix up irqflags in drm_lock.c (diff) | |
| download | linux-3417f33e762bf7d4277031a655e3ad07e73ce0be.tar.xz linux-3417f33e762bf7d4277031a655e3ad07e73ce0be.zip | |
drm: add flag for mapping PCI DMA buffers read-only.
Add DRM_PCI_BUFFER_RO flag for mapping PCI DMA buffer read-only. An additional
flag is needed, since PCI DMA buffers do not have an associated map.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm.h')
| -rw-r--r-- | drivers/char/drm/drm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 3f28a1551621..8db9041e306c 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -356,7 +356,8 @@ typedef struct drm_buf_desc { _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ - _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */ + _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ + _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ } flags; unsigned long agp_start; /**< * Start address of where the AGP buffers are |