drm: Use DRM_ROTATE_MASK and DRM_REFLECT_MASK

Avoid magic numbers and use the introduced defines.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index e600a5fb2b60..e7c842289568 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -5629,7 +5629,8 @@ unsigned int drm_rotation_simplify(unsigned int rotation,
 {
         if (rotation & ~supported_rotations) {
                 rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y);
-                rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4);
+                rotation = (rotation & DRM_REFLECT_MASK) |
+                           BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4);
         }
 
         return rotation;