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path: root/drivers/gpu/drm/radeon/radeon_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 20ec276e759..c633319f98e 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -31,6 +31,7 @@
#include "radeon_drm.h"
#include <linux/vga_switcheroo.h>
+#include <linux/slab.h>
int radeon_driver_unload_kms(struct drm_device *dev)
{
@@ -164,7 +165,7 @@ u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
{
struct radeon_device *rdev = dev->dev_private;
- if (crtc < 0 || crtc > 1) {
+ if (crtc < 0 || crtc >= rdev->num_crtc) {
DRM_ERROR("Invalid crtc %d\n", crtc);
return -EINVAL;
}
@@ -176,7 +177,7 @@ int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
{
struct radeon_device *rdev = dev->dev_private;
- if (crtc < 0 || crtc > 1) {
+ if (crtc < 0 || crtc >= rdev->num_crtc) {
DRM_ERROR("Invalid crtc %d\n", crtc);
return -EINVAL;
}
@@ -190,7 +191,7 @@ void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
{
struct radeon_device *rdev = dev->dev_private;
- if (crtc < 0 || crtc > 1) {
+ if (crtc < 0 || crtc >= rdev->num_crtc) {
DRM_ERROR("Invalid crtc %d\n", crtc);
return;
}