drm/i915: Use memmove() for punching the hole into infoframes

Replace the hand rolled memmove() with the real thing.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920185145.1912-9-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index a2dab0b6bde6..3b56ab253171 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -457,9 +457,7 @@ static void intel_write_infoframe(struct drm_encoder *encoder,
                 return;
 
         /* Insert the 'hole' (see big comment above) at position 3 */
-        buffer[0] = buffer[1];
-        buffer[1] = buffer[2];
-        buffer[2] = buffer[3];
+        memmove(&buffer[0], &buffer[1], 3);
         buffer[3] = 0;
         len++;