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drm/vmwgfx: Take the ttm lock around the dirty ioctl

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This makes sure noone accesses the fifo while it's taken down using the
dirty ioctl.
Also make sure all workqueues are idled before the fifo is taken down.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom
2010-10-05 12:43:03 +02:00
committed by Dave Airlie
parent 02b001624f
commit 3a939a5ece
3 changed files with 84 additions and 8 deletions
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3
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@@ -151,6 +151,8 @@ struct vmw_overlay;
struct vmw_master {
struct ttm_lock lock;
struct mutex fb_surf_mutex;
struct list_head fb_surf;
};
struct vmw_vga_topology_state {
@@ -519,6 +521,7 @@ void vmw_kms_write_svga(struct vmw_private *vmw_priv,
unsigned bbp, unsigned depth);
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
/**