drm/exynos: use drm_edid_duplicate

[~andy/linux] / drivers / gpu / drm / exynos / exynos_drm_vidi.c

diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 4400330e4449f57268efc7b961c4025795178ef7..26e089f4ff1c751a5866639f0c1c3c9b8b861347 100644 (file)
--- 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;