From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The only user of ctx_count is the via driver, and we can replace that
use with list_is_singular().
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_context.c | 2 --
drivers/gpu/drm/drm_fops.c | 1 -
drivers/gpu/drm/via/via_mm.c | 2 +-
include/drm/drmP.h | 1 -
4 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index 224ff96..a4b017b 100644
--- a/drivers/gpu/drm/drm_context.c
+++ b/drivers/gpu/drm/drm_context.c
@@ -334,7 +334,6 @@ int drm_addctx(struct drm_device *dev, void *data,
mutex_lock(&dev->ctxlist_mutex);
list_add(&ctx_entry->head, &dev->ctxlist);
- ++dev->ctx_count;
mutex_unlock(&dev->ctxlist_mutex);
return 0;
@@ -432,7 +431,6 @@ int drm_rmctx(struct drm_device *dev, void *data,
if (pos->handle == ctx->handle) {
list_del(&pos->head);
kfree(pos);
- --dev->ctx_count;
}
}
}
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3f84277..529cf30 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -454,7 +454,6 @@ int drm_release(struct inode *inode, struct file *filp)
list_del(&pos->head);
kfree(pos);
- --dev->ctx_count;
}
}
}
diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index 7e3ad87..9278891 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -79,7 +79,7 @@ int via_final_context(struct drm_device *dev, int context)
/* Linux specific until context tracking code gets ported to BSD */
/* Last context, perform cleanup */
- if (dev->ctx_count == 1 && dev->dev_private) {
+ if (list_is_singular(&dev->ctxlist) && dev->dev_private) {
DRM_DEBUG("Last Context\n");
drm_irq_uninstall(dev);
via_cleanup_futex(dev_priv);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index c2c577b..b6ceaaa 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1138,7 +1138,6 @@ struct drm_device {
/** \name Context handle management */
/*@{ */
struct list_head ctxlist; /**< Linked list of context handles */
- int ctx_count; /**< Number of context handles */
struct mutex ctxlist_mutex; /**< For ctxlist */
struct idr ctx_idr;
--
1.8.1.5
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