drm: omapdrm: fb: Limit number of planes per framebuffer to two

The only multi-planar format supported by the driver is NV12, there will
thus never be more than two planes per framebuffer.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index 5f3337f..7646df3 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -36,7 +36,7 @@ struct format {
        struct {
                int stride_bpp;           /* this times width is stride */
                int sub_y;                /* sub-sample in y dimension */
-       } planes[4];
+       } planes[2];
        bool yuv;
 };
 
@@ -90,7 +90,7 @@ struct omap_framebuffer {
        struct drm_framebuffer base;
        int pin_count;
        const struct format *format;
-       struct plane planes[4];
+       struct plane planes[2];
        /* lock for pinning (pin_count and planes.paddr) */
        struct mutex lock;
 };