Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c
index f973d28..1f802d8 100644
--- a/drivers/gpu/drm/drm_context.c
+++ b/drivers/gpu/drm/drm_context.c
@@ -28,7 +28,13 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
-#include <drm/drmP.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_print.h>
+
#include "drm_legacy.h"
struct drm_ctx_list {
@@ -178,7 +184,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
mutex_lock(&dev->struct_mutex);
@@ -226,7 +232,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
mutex_lock(&dev->struct_mutex);
list_for_each_entry(r_list, &dev->maplist, head) {
@@ -330,7 +336,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
if (res->count >= DRM_RESERVED_CONTEXTS) {
memset(&ctx, 0, sizeof(ctx));
@@ -361,23 +367,26 @@
{
struct drm_ctx_list *ctx_entry;
struct drm_ctx *ctx = data;
+ int tmp_handle;
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
- ctx->handle = drm_legacy_ctxbitmap_next(dev);
- if (ctx->handle == DRM_KERNEL_CONTEXT) {
+ tmp_handle = drm_legacy_ctxbitmap_next(dev);
+ if (tmp_handle == DRM_KERNEL_CONTEXT) {
/* Skip kernel's context and get a new one. */
- ctx->handle = drm_legacy_ctxbitmap_next(dev);
+ tmp_handle = drm_legacy_ctxbitmap_next(dev);
}
- DRM_DEBUG("%d\n", ctx->handle);
- if (ctx->handle < 0) {
+ DRM_DEBUG("%d\n", tmp_handle);
+ if (tmp_handle < 0) {
DRM_DEBUG("Not enough free contexts.\n");
/* Should this return -EBUSY instead? */
- return -ENOMEM;
+ return tmp_handle;
}
+ ctx->handle = tmp_handle;
+
ctx_entry = kmalloc(sizeof(*ctx_entry), GFP_KERNEL);
if (!ctx_entry) {
DRM_DEBUG("out of memory\n");
@@ -411,7 +420,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
/* This is 0, because we don't handle any context flags */
ctx->flags = 0;
@@ -437,7 +446,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
DRM_DEBUG("%d\n", ctx->handle);
return drm_context_switch(dev, dev->last_context, ctx->handle);
@@ -461,7 +470,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
DRM_DEBUG("%d\n", ctx->handle);
drm_context_switch_complete(dev, file_priv, ctx->handle);
@@ -487,7 +496,7 @@
if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&
!drm_core_check_feature(dev, DRIVER_LEGACY))
- return -EINVAL;
+ return -EOPNOTSUPP;
DRM_DEBUG("%d\n", ctx->handle);
if (ctx->handle != DRM_KERNEL_CONTEXT) {