From 18ac700d75e81b7892c6377f6d8b917453ac69fd Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Wed, 10 Nov 2021 11:36:59 +0100 Subject: drm/fb-helper: Allocate shadow buffer of surface height MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Noralf Trønnes Link: https://patchwork.freedesktop.org/patch/msgid/20211110103702.374-7-tzimmermann@suse.de --- 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 3ab078321045..442db735416f 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2332,7 +2332,7 @@ 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); -- cgit v1.2.3