addfb() uAPI has supported four planes for a while now, make format_info
compatible with that.

Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
---
 include/drm/drm_fourcc.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 306d1efeb5e0..156b122c0ad5 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -78,7 +78,7 @@ struct drm_format_info {
                 * triplet @char_per_block, @block_w, @block_h for better
                 * describing the pixel format.
                 */
-               u8 cpp[3];
+               u8 cpp[4];
 
                /**
                 * @char_per_block:
@@ -104,7 +104,7 @@ struct drm_format_info {
                 * information from their drm_mode_config.get_format_info hook
                 * if they want the core to be validating the pitch.
                 */
-               u8 char_per_block[3];
+               u8 char_per_block[4];
        };
 
        /**
@@ -113,7 +113,7 @@ struct drm_format_info {
         * Block width in pixels, this is intended to be accessed through
         * drm_format_info_block_width()
         */
-       u8 block_w[3];
+       u8 block_w[4];
 
        /**
         * @block_h:
@@ -121,7 +121,7 @@ struct drm_format_info {
         * Block height in pixels, this is intended to be accessed through
         * drm_format_info_block_height()
         */
-       u8 block_h[3];
+       u8 block_h[4];
 
        /** @hsub: Horizontal chroma subsampling factor */
        u8 hsub;
-- 
2.17.1

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