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authorMichel Dänzer <daenzer@vmware.com>2009-06-15 10:56:15 -0400
committerDave Airlie <airlied@redhat.com>2009-06-18 19:27:20 -0400
commit62369028c7e2039b821799b3db52f0d622f0e8b5 (patch)
tree9f0a6f505c736615fe144832c9b5056f6812a3df /drivers/char
parent46f4b3eab73e621bc239bfa62ebdc44dcc0a877a (diff)
agp/uninorth: Handle user memory types.
This adds support for TTM to the uninorth AGP bridge. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/uninorth-agp.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 03f95ec08f59..880d3f6d5b98 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -146,13 +146,20 @@ static int uninorth_insert_memory(struct agp_memory *mem, off_t pg_start,
146{ 146{
147 int i, j, num_entries; 147 int i, j, num_entries;
148 void *temp; 148 void *temp;
149 int mask_type;
149 150
150 temp = agp_bridge->current_size; 151 temp = agp_bridge->current_size;
151 num_entries = A_SIZE_32(temp)->num_entries; 152 num_entries = A_SIZE_32(temp)->num_entries;
152 153
153 if (type != 0 || mem->type != 0) 154 if (type != mem->type)
155 return -EINVAL;
156
157 mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
158 if (mask_type != 0) {
154 /* We know nothing of memory types */ 159 /* We know nothing of memory types */
155 return -EINVAL; 160 return -EINVAL;
161 }
162
156 if ((pg_start + mem->page_count) > num_entries) 163 if ((pg_start + mem->page_count) > num_entries)
157 return -EINVAL; 164 return -EINVAL;
158 165
@@ -184,13 +191,20 @@ static int u3_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
184 int i, num_entries; 191 int i, num_entries;
185 void *temp; 192 void *temp;
186 u32 *gp; 193 u32 *gp;
194 int mask_type;
187 195
188 temp = agp_bridge->current_size; 196 temp = agp_bridge->current_size;
189 num_entries = A_SIZE_32(temp)->num_entries; 197 num_entries = A_SIZE_32(temp)->num_entries;
190 198
191 if (type != 0 || mem->type != 0) 199 if (type != mem->type)
200 return -EINVAL;
201
202 mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type);
203 if (mask_type != 0) {
192 /* We know nothing of memory types */ 204 /* We know nothing of memory types */
193 return -EINVAL; 205 return -EINVAL;
206 }
207
194 if ((pg_start + mem->page_count) > num_entries) 208 if ((pg_start + mem->page_count) > num_entries)
195 return -EINVAL; 209 return -EINVAL;
196 210