Allocating a shadow buffer of the height of the buffer object does not support fbdev overallocation. Use surface height instead.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Reviewed-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/drm_fb_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 8e7a124d6c5a..9727a59d35fd 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2338,7 +2338,7 @@ static int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper, return PTR_ERR(fbi);
fbi->fbops = &drm_fbdev_fb_ops; - fbi->screen_size = fb->height * fb->pitches[0]; + fbi->screen_size = sizes->surface_height * fb->pitches[0]; fbi->fix.smem_len = fbi->screen_size;
drm_fb_helper_fill_info(fbi, fb_helper, sizes);