Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

EDAC/skx_common: Extend the maximum number of DRAM chip row bits

The allowed maximum number of row bits for DRAM chips in the Diamond
Rapids server processor is up to 19. Extend the current maximum row
bits from 18 to 19.

Tested-by: Yi Lai <yi1.lai@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20251119134132.2389472-6-qiuxu.zhuo@intel.com

authored by

Qiuxu Zhuo and committed by
Tony Luck
39abdcbd 9fc67b11

+1 -1
+1 -1
drivers/edac/skx_common.c
··· 451 451 } 452 452 453 453 #define numrank(reg) skx_get_dimm_attr(reg, 12, 13, 0, 0, 2, "ranks") 454 - #define numrow(reg) skx_get_dimm_attr(reg, 2, 4, 12, 1, 6, "rows") 454 + #define numrow(reg) skx_get_dimm_attr(reg, 2, 4, 12, 1, 7, "rows") 455 455 #define numcol(reg) skx_get_dimm_attr(reg, 0, 1, 10, 0, 2, "cols") 456 456 457 457 int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm,