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| author | Dave Airlie <airlied@redhat.com> | 2007-12-17 09:41:56 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-02-07 15:09:39 +1000 |
| commit | e3236a1173222ca209d20bb29f6c1cd3499aa845 (patch) | |
| tree | 121840ba613aaad6c5d54cc694fade494f68a83b | |
| parent | 77e27e9fe5bd399c9f56b941b212a58338e94463 (diff) | |
| download | kernel_samsung_aries-e3236a1173222ca209d20bb29f6c1cd3499aa845.zip kernel_samsung_aries-e3236a1173222ca209d20bb29f6c1cd3499aa845.tar.gz kernel_samsung_aries-e3236a1173222ca209d20bb29f6c1cd3499aa845.tar.bz2 | |
drm: add _DRM_DRIVER flag, and re-order unload.
Allow drivers to addmaps that won't be removed by lastclose or unload.
The unload needs to be re-ordered to avoid removing the hashs before
the driver has removed the final maps.
Signed-off-by: Dave Airlie <airlied@linux.ie>
| -rw-r--r-- | drivers/char/drm/drm.h | 3 | ||||
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 13 | ||||
| -rw-r--r-- | drivers/char/drm/i915_dma.c | 3 |
3 files changed, 11 insertions, 8 deletions
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 82fb3d0..3a05c6d 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -202,7 +202,8 @@ enum drm_map_flags { _DRM_KERNEL = 0x08, /**< kernel requires access */ _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ - _DRM_REMOVABLE = 0x40 /**< Removable mapping */ + _DRM_REMOVABLE = 0x40, /**< Removable mapping */ + _DRM_DRIVER = 0x80 /**< Managed by driver */ }; struct drm_ctx_priv_map { diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index d29d7ed..77e2fb7 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -200,8 +200,10 @@ int drm_lastclose(struct drm_device * dev) } list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) { - drm_rmmap_locked(dev, r_list->map); - r_list = NULL; + if (!(r_list->map->flags & _DRM_DRIVER)) { + drm_rmmap_locked(dev, r_list->map); + r_list = NULL; + } } if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) { @@ -291,10 +293,6 @@ static void drm_cleanup(struct drm_device * dev) drm_lastclose(dev); - drm_ht_remove(&dev->map_hash); - - drm_ctxbitmap_cleanup(dev); - if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && dev->agp && dev->agp->agp_mtrr >= 0) { int retval; @@ -312,6 +310,9 @@ static void drm_cleanup(struct drm_device * dev) if (dev->driver->unload) dev->driver->unload(dev); + drm_ht_remove(&dev->map_hash); + drm_ctxbitmap_cleanup(dev); + drm_put_head(&dev->primary); if (drm_put_dev(dev)) DRM_ERROR("Cannot unload module\n"); diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index b8db965..24f86e0 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -778,7 +778,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) base = drm_get_resource_start(dev, mmio_bar); size = drm_get_resource_len(dev, mmio_bar); - ret = drm_addmap(dev, base, size, _DRM_REGISTERS, _DRM_KERNEL, + ret = drm_addmap(dev, base, size, _DRM_REGISTERS, + _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map); return ret; } |