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path: root/drivers/gpu/drm/drm_context.c
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Diffstat (limited to 'drivers/gpu/drm/drm_context.c')
-rw-r--r--drivers/gpu/drm/drm_context.c51
1 files changed, 49 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index 9b23525c0..192a5f9ee 100644
--- a/drivers/gpu/drm/drm_context.c
+++ b/drivers/gpu/drm/drm_context.c
@@ -53,6 +53,10 @@ struct drm_ctx_list {
*/
void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)
{
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
mutex_lock(&dev->struct_mutex);
idr_remove(&dev->ctx_idr, ctx_handle);
mutex_unlock(&dev->struct_mutex);
@@ -85,10 +89,13 @@ static int drm_legacy_ctxbitmap_next(struct drm_device * dev)
*
* Initialise the drm_device::ctx_idr
*/
-int drm_legacy_ctxbitmap_init(struct drm_device * dev)
+void drm_legacy_ctxbitmap_init(struct drm_device * dev)
{
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
idr_init(&dev->ctx_idr);
- return 0;
}
/**
@@ -101,6 +108,10 @@ int drm_legacy_ctxbitmap_init(struct drm_device * dev)
*/
void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)
{
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
mutex_lock(&dev->struct_mutex);
idr_destroy(&dev->ctx_idr);
mutex_unlock(&dev->struct_mutex);
@@ -119,6 +130,10 @@ void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)
{
struct drm_ctx_list *pos, *tmp;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
mutex_lock(&dev->ctxlist_mutex);
list_for_each_entry_safe(pos, tmp, &dev->ctxlist, head) {
@@ -161,6 +176,10 @@ int drm_legacy_getsareactx(struct drm_device *dev, void *data,
struct drm_local_map *map;
struct drm_map_list *_entry;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
mutex_lock(&dev->struct_mutex);
map = idr_find(&dev->ctx_idr, request->ctx_id);
@@ -205,6 +224,10 @@ int drm_legacy_setsareactx(struct drm_device *dev, void *data,
struct drm_local_map *map = NULL;
struct drm_map_list *r_list = NULL;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
mutex_lock(&dev->struct_mutex);
list_for_each_entry(r_list, &dev->maplist, head) {
if (r_list->map
@@ -305,6 +328,10 @@ int drm_legacy_resctx(struct drm_device *dev, void *data,
struct drm_ctx ctx;
int i;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
if (res->count >= DRM_RESERVED_CONTEXTS) {
memset(&ctx, 0, sizeof(ctx));
for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
@@ -335,6 +362,10 @@ int drm_legacy_addctx(struct drm_device *dev, void *data,
struct drm_ctx_list *ctx_entry;
struct drm_ctx *ctx = data;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
ctx->handle = drm_legacy_ctxbitmap_next(dev);
if (ctx->handle == DRM_KERNEL_CONTEXT) {
/* Skip kernel's context and get a new one. */
@@ -378,6 +409,10 @@ int drm_legacy_getctx(struct drm_device *dev, void *data,
{
struct drm_ctx *ctx = data;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
/* This is 0, because we don't handle any context flags */
ctx->flags = 0;
@@ -400,6 +435,10 @@ int drm_legacy_switchctx(struct drm_device *dev, void *data,
{
struct drm_ctx *ctx = data;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
DRM_DEBUG("%d\n", ctx->handle);
return drm_context_switch(dev, dev->last_context, ctx->handle);
}
@@ -420,6 +459,10 @@ int drm_legacy_newctx(struct drm_device *dev, void *data,
{
struct drm_ctx *ctx = data;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
DRM_DEBUG("%d\n", ctx->handle);
drm_context_switch_complete(dev, file_priv, ctx->handle);
@@ -442,6 +485,10 @@ int drm_legacy_rmctx(struct drm_device *dev, void *data,
{
struct drm_ctx *ctx = data;
+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
+ drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
DRM_DEBUG("%d\n", ctx->handle);
if (ctx->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_dtor)