drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
Drivers shouldn't clobber the passed in addfb ioctl parameters.
i915 was doing just that. To prevent it from happening again,
pass the struct around as const, starting all the way from
internal_framebuffer_create().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index fcea28b..49b9bc3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -117,7 +117,7 @@
struct drm_framebuffer *
exynos_drm_framebuffer_init(struct drm_device *dev,
- struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
struct exynos_drm_gem **exynos_gem,
int count)
{
@@ -154,7 +154,7 @@
static struct drm_framebuffer *
exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
- struct drm_mode_fb_cmd2 *mode_cmd)
+ const struct drm_mode_fb_cmd2 *mode_cmd)
{
struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
struct drm_gem_object *obj;