In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add check for granularity in dml ceil/floor helpers [Why] Wrapper functions for dcnbwceil2() and dcnbwfloor2() should check for granularity is non zero to avoid assert and divide-by-zero error in dcnbw functions. [How] Add check for granularity 0. (cherry picked from commit f6e09701c3eb2ccb8cb0518e0b67f1c69742a4ec)