drm: add drm simple memory manager support for SiS and VIA drivers
This add support to the SiS and VIA drivers for the simple memory manager.
This fixes a lot of problems with the current simple code these drivers used,
including locking and SMP issues.
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c
index c6a08e9..782011e 100644
--- a/drivers/char/drm/via_map.c
+++ b/drivers/char/drm/via_map.c
@@ -98,6 +98,7 @@
int via_driver_load(drm_device_t *dev, unsigned long chipset)
{
drm_via_private_t *dev_priv;
+ int ret = 0;
dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
if (dev_priv == NULL)
@@ -108,13 +109,19 @@
if (chipset == VIA_PRO_GROUP_A)
dev_priv->pro_group_a = 1;
- return 0;
+ ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
+ if (ret) {
+ drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
+ }
+ return ret;
}
int via_driver_unload(drm_device_t *dev)
{
drm_via_private_t *dev_priv = dev->dev_private;
+ drm_sman_takedown(&dev_priv->sman);
+
drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
return 0;