It's not used by any driver. The destructor callback is unfortunately used by the via driver in a rather convoluted piece of code used to reimplement something resembling broken futexes. I didn't dare to touch this code. But at least kill the needless NULL assignemt in the sis driver.
Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_context.c | 8 -------- drivers/gpu/drm/sis/sis_drv.c | 1 - include/drm/drmP.h | 1 - 3 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c index 2607753..6d440fb 100644 --- a/drivers/gpu/drm/drm_context.c +++ b/drivers/gpu/drm/drm_context.c @@ -333,14 +333,6 @@ int drm_addctx(struct drm_device *dev, void *data, return -ENOMEM; }
- if (ctx->handle != DRM_KERNEL_CONTEXT) { - if (dev->driver->context_ctor) - if (!dev->driver->context_ctor(dev, ctx->handle)) { - DRM_DEBUG("Running out of ctxs or memory.\n"); - return -ENOMEM; - } - } - ctx_entry = kmalloc(sizeof(*ctx_entry), GFP_KERNEL); if (!ctx_entry) { DRM_DEBUG("out of memory\n"); diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 350e512..c9aa0c4 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -68,7 +68,6 @@ static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR, .load = sis_driver_load, .unload = sis_driver_unload, - .context_dtor = NULL, .dma_quiescent = sis_idle, .reclaim_buffers = NULL, .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked, diff --git a/include/drm/drmP.h b/include/drm/drmP.h index f5dd3df..8f91459 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -694,7 +694,6 @@ struct drm_driver { int (*resume) (struct drm_device *); int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); int (*dma_quiescent) (struct drm_device *); - int (*context_ctor) (struct drm_device *dev, int context); int (*context_dtor) (struct drm_device *dev, int context);
/**