diff options
| author | George Sapountzis <gsap7@yahoo.gr> | 2006-10-24 15:03:04 -0400 |
|---|---|---|
| committer | airlied <airlied@linux.ie> | 2006-12-06 23:53:31 -0500 |
| commit | 3417f33e762bf7d4277031a655e3ad07e73ce0be (patch) | |
| tree | 255d4871a0a7affbeab8d35f5b072a70ef064cfd /drivers/char/drm/drm.h | |
| parent | 5c2df2bfb121a77d925dba580f53da08b4020528 (diff) | |
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 { | |||
| 356 | _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ | 356 | _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ |
| 357 | _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ | 357 | _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ |
| 358 | _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ | 358 | _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ |
| 359 | _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */ | 359 | _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ |
| 360 | _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ | ||
| 360 | } flags; | 361 | } flags; |
| 361 | unsigned long agp_start; /**< | 362 | unsigned long agp_start; /**< |
| 362 | * Start address of where the AGP buffers are | 363 | * Start address of where the AGP buffers are |