commit a2c0a97b784f837300f7b0869c82ab712c600952
author Jesse Barnes <jbarnes@virtuousgeek.org> Wed Nov 05 10:31:53 2008 -0800
committer Dave Airlie <airlied@linux.ie> Mon Dec 29 17:47:22 2008 +1000
tree aca1cdf3d32e1cfa7387350483f6a70c74a24ffd
parent a9587470f753d670d910293ecbf1c7b66c99de50

drm: GEM mmap support

Add core support for mapping of GEM objects.  Drivers should provide a
vm_operations_struct if they want to support page faulting of objects.
The code for handling GEM object offsets was taken from TTM, which was
written by Thomas Hellström.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_bufs.c

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index dc3ce3e0a..7fb690b 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -262,6 +262,9 @@
 		DRM_DEBUG("AGP offset = 0x%08lx, size = 0x%08lx\n", map->offset, map->size);
 
 		break;
+	case _DRM_GEM:
+		DRM_ERROR("tried to rmmap GEM object\n");
+		break;
 	}
 	case _DRM_SCATTER_GATHER:
 		if (!dev->sg) {
@@ -429,6 +432,9 @@
 		dmah.size = map->size;
 		__drm_pci_free(dev, &dmah);
 		break;
+	case _DRM_GEM:
+		DRM_ERROR("tried to rmmap GEM object\n");
+		break;
 	}
 	drm_free(map, sizeof(*map), DRM_MEM_MAPS);