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-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 5cac83278338..e7b0b5d51bc3 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -278,11 +278,16 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
p->chunks[p->chunk_ib_idx].length_dw);
return -EINVAL;
}
- p->chunks[p->chunk_ib_idx].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
- p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
- if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL ||
- p->chunks[p->chunk_ib_idx].kpage[1] == NULL)
- return -ENOMEM;
+ if ((p->rdev->flags & RADEON_IS_AGP)) {
+ p->chunks[p->chunk_ib_idx].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL ||
+ p->chunks[p->chunk_ib_idx].kpage[1] == NULL) {
+ kfree(p->chunks[i].kpage[0]);
+ kfree(p->chunks[i].kpage[1]);
+ return -ENOMEM;
+ }
+ }
p->chunks[p->chunk_ib_idx].kpage_idx[0] = -1;
p->chunks[p->chunk_ib_idx].kpage_idx[1] = -1;
p->chunks[p->chunk_ib_idx].last_copied_page = -1;
@@ -323,8 +328,10 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
kfree(parser->relocs_ptr);
for (i = 0; i < parser->nchunks; i++) {
kfree(parser->chunks[i].kdata);
- kfree(parser->chunks[i].kpage[0]);
- kfree(parser->chunks[i].kpage[1]);
+ if ((parser->rdev->flags & RADEON_IS_AGP)) {
+ kfree(parser->chunks[i].kpage[0]);
+ kfree(parser->chunks[i].kpage[1]);
+ }
}
kfree(parser->chunks);
kfree(parser->chunks_array);
@@ -573,6 +580,7 @@ int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx)
struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
int i;
int size = PAGE_SIZE;
+ bool copy1 = (p->rdev->flags & RADEON_IS_AGP) ? false : true;
for (i = ibc->last_copied_page + 1; i < pg_idx; i++) {
if (DRM_COPY_FROM_USER(p->ib->ptr + (i * (PAGE_SIZE/4)),
@@ -583,14 +591,16 @@ int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx)
}
}
- new_page = ibc->kpage_idx[0] < ibc->kpage_idx[1] ? 0 : 1;
-
if (pg_idx == ibc->last_page_index) {
size = (ibc->length_dw * 4) % PAGE_SIZE;
- if (size == 0)
- size = PAGE_SIZE;
+ if (size == 0)
+ size = PAGE_SIZE;
}
+ new_page = ibc->kpage_idx[0] < ibc->kpage_idx[1] ? 0 : 1;
+ if (copy1)
+ ibc->kpage[new_page] = p->ib->ptr + (pg_idx * (PAGE_SIZE / 4));
+
if (DRM_COPY_FROM_USER(ibc->kpage[new_page],
ibc->user_ptr + (pg_idx * PAGE_SIZE),
size)) {
@@ -598,8 +608,9 @@ int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx)
return 0;
}
- /* copy to IB here */
- memcpy((void *)(p->ib->ptr+(pg_idx*(PAGE_SIZE/4))), ibc->kpage[new_page], size);
+ /* copy to IB for non single case */
+ if (!copy1)
+ memcpy((void *)(p->ib->ptr+(pg_idx*(PAGE_SIZE/4))), ibc->kpage[new_page], size);
ibc->last_copied_page = pg_idx;
ibc->kpage_idx[new_page] = pg_idx;