[PATCH v3 4/5] drm/simpledrm: Compute framebuffer stride if not set

[Thomas Zimmermann]

Compute the framebuffer's scanline stride length if not given by
the simplefb data.

v3:
        * get pixel size from drm_format_info_bpp() (Geert, Javier)

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Acked-by: Javier Martinez Canillas <javi...@redhat.com>
---
 drivers/gpu/drm/tiny/simpledrm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index 9d27608d7369..11a7348ccf4d 100644
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -743,6 +743,9 @@ static struct simpledrm_device 
*simpledrm_device_create(struct drm_driver *drv,
                drm_err(dev, "no simplefb configuration found\n");
                return ERR_PTR(-ENODEV);
        }
+       if (!stride)
+               stride = DIV_ROUND_UP(drm_format_info_bpp(format, 0) * width, 
8);
+
        sdev->mode = simpledrm_mode(width, height);
        sdev->format = format;
        sdev->pitch = stride;
-- 
2.37.1