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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index a80a335f4148..1541fc8a9ac2 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -490,7 +490,7 @@ static void drm_fb_helper_memory_range_to_clip(struct fb_info *info, off_t off,
* the number of horizontal pixels that need an update.
*/
off_t bit_off = (off % line_length) * 8;
- off_t bit_end = (end % line_length) * 8;
+ off_t bit_end = bit_off + len * 8;
x1 = bit_off / info->var.bits_per_pixel;
x2 = DIV_ROUND_UP(bit_end, info->var.bits_per_pixel);