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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-10-04 14:53:39 +0300
committerDave Airlie <airlied@redhat.com>2013-10-09 15:55:32 +1000
commitfc6ff1935b550bdf525e0caa5ef0894010375414 (patch)
tree29c0cea9e21f7f210930ebc39148fa94bfa553df
parent6b8837df7a39d88f6a48a892312b08bbefba2540 (diff)
downloadblackbird-op-linux-fc6ff1935b550bdf525e0caa5ef0894010375414.tar.gz
blackbird-op-linux-fc6ff1935b550bdf525e0caa5ef0894010375414.zip
drm: Kill ctx_count from struct drm_device
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@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/drm_context.c2
-rw-r--r--drivers/gpu/drm/drm_fops.c1
-rw-r--r--drivers/gpu/drm/via/via_mm.c2
-rw-r--r--include/drm/drmP.h1
4 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index 224ff965bcf7..a4b017b6849e 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 8bc94eaaf9f5..621b45e08bd1 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -524,7 +524,6 @@ 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 7e3ad87c366c..927889105483 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 5b99c0e072ef..e26b80236719 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1132,7 +1132,6 @@ 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;
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