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@xxxxxxxx>
---
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);
/**
--
1.7.1
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