On Wed, Dec 10, 2025 at 01:37:34PM +0000, Shameer Kolothum wrote: > + /* > + * CMDQ must not cross a physical RAM backend page. Adjust CMDQS so the > + * queue fits entirely within the smallest backend page size. > + * FIXME: Migration support requires this to be taken care. > + */ > + pgsize = tegra241_cmdqv_min_ram_pagesize(); > + val = FIELD_EX32(s->idr[1], IDR1, CMDQS); > + s->idr[1] = FIELD_DP32(s->idr[1], IDR1, CMDQS, MIN(log2(pgsize) - 4, > val));
Let's mention it is for the physical contiguity of the Q memory. Nicolin
