diff options
author | Dave Airlie <airlied@linux.ie> | 2007-04-03 21:20:00 +1000 |
---|---|---|
committer | Dave Airlie <airlied@linux.ie> | 2007-04-03 21:20:00 +1000 |
commit | 29ac7b1fe364a4be1db7e22d2b400bef04fc240d (patch) | |
tree | 94c7c94e08cd0b6e212a942313d48c1f2dc89d2a /linux-core/ati_pcigart.c | |
parent | e835820e2359952bd42a66137c6b7ab243a5a541 (diff) |
radeon: add setup for PCIE GART ttm
Diffstat (limited to 'linux-core/ati_pcigart.c')
-rw-r--r-- | linux-core/ati_pcigart.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index f3f91129..108e1875 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -239,8 +239,22 @@ static int ati_pcigart_populate(drm_ttm_backend_t *backend, struct page **pages) { ati_pcigart_ttm_priv *atipci_priv = (ati_pcigart_ttm_priv *)backend->private; + struct page **cur_page, **last_page = pages + num_pages; + struct ati_pcigart_memory *mem; - return -1; + DRM_DEBUG("%d\n", num_pages); + if (drm_alloc_memctl(num_pages * sizeof(void *))) + return -1; + + mem = drm_alloc(sizeof(struct ati_pcigart_memory), DRM_MEM_MAPPINGS); + if (!mem) { + drm_free_memctl(num_pages * sizeof(void *)); + return -1; + } + + mem->page_count = num_pages; + atipci_priv->mem = mem; + return 0; } static int ati_pcigart_bind_ttm(drm_ttm_backend_t *backend, @@ -249,6 +263,7 @@ static int ati_pcigart_bind_ttm(drm_ttm_backend_t *backend, { ati_pcigart_ttm_priv *atipci_priv = (ati_pcigart_ttm_priv *)backend->private; + DRM_DEBUG("\n"); return -1; } @@ -256,12 +271,24 @@ static int ati_pcigart_unbind_ttm(drm_ttm_backend_t *backend) { ati_pcigart_ttm_priv *atipci_priv = (ati_pcigart_ttm_priv *)backend->private; + DRM_DEBUG("\n"); return -1; } static void ati_pcigart_clear_ttm(drm_ttm_backend_t *backend) { ati_pcigart_ttm_priv *atipci_priv = (ati_pcigart_ttm_priv *)backend->private; + struct ati_pcigart_memory *mem = atipci_priv->mem; + + DRM_DEBUG("\n"); + if (mem) { + unsigned long num_pages = mem->page_count; + backend->unbind(backend); + /* free test */ + drm_free(mem, sizeof(struct ati_pcigart_memory), DRM_MEM_MAPPINGS); + drm_free_memctl(num_pages * sizeof(void *)); + } + atipci_priv->mem = NULL; } static void ati_pcigart_destroy_ttm(drm_ttm_backend_t *backend) @@ -272,6 +299,9 @@ static void ati_pcigart_destroy_ttm(drm_ttm_backend_t *backend) DRM_DEBUG("\n"); atipci_priv = (ati_pcigart_ttm_priv *)backend->private; if (atipci_priv) { + if (atipci_priv->mem) { + backend->clear(backend); + } drm_ctl_free(atipci_priv, sizeof(*atipci_priv), DRM_MEM_MAPPINGS); backend->private = NULL; } |