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 <tzimmerm...@suse.de>
Reviewed-by: Noralf Trønnes <nor...@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);
--
2.33.1
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