drm/exynos: use drm_edid_duplicate

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 4400330e4449..26e089f4ff1c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -101,7 +101,6 @@ static struct edid *vidi_get_edid(struct device *dev,
 {
         struct vidi_context *ctx = get_vidi_context(dev);
         struct edid *edid;
-        int edid_len;
 
         /*
          * the edid data comes from user side and it would be set
@@ -112,8 +111,7 @@ static struct edid *vidi_get_edid(struct device *dev,
                 return ERR_PTR(-EFAULT);
         }
 
-        edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
-        edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
+        edid = drm_edid_duplicate(ctx->raw_edid);
         if (!edid) {
                 DRM_DEBUG_KMS("failed to allocate edid\n");
                 return ERR_PTR(-ENOMEM);
@@ -485,7 +483,6 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
         struct exynos_drm_manager *manager;
         struct exynos_drm_display_ops *display_ops;
         struct drm_exynos_vidi_connection *vidi = data;
-        int edid_len;
 
         if (!vidi) {
                 DRM_DEBUG_KMS("user data for vidi is null.\n");
@@ -524,8 +521,7 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
                         DRM_DEBUG_KMS("edid data is invalid.\n");
                         return -EINVAL;
                 }
-                edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
-                ctx->raw_edid = kmemdup(raw_edid, edid_len, GFP_KERNEL);
+                ctx->raw_edid = drm_edid_duplicate(raw_edid);
                 if (!ctx->raw_edid) {
                         DRM_DEBUG_KMS("failed to allocate raw_edid.\n");
                         return -ENOMEM;