[PATCH 1/8] EDAC/amd64: Fix number of DIMMs and Chip Select bases/masks on Family17h

[Ghannam, Yazen]

From: Yazen Ghannam <yazen.ghan...@amd.com>

...because AMD Family 17h systems support 2 DIMMs, 4 CS bases, and 2 CS
masks per channel.

Fixes: 07ed82ef93d6 ("EDAC, amd64: Add Fam17h debug output")
Signed-off-by: Yazen Ghannam <yazen.ghan...@amd.com>
---
 drivers/edac/amd64_edac.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 873437be86d9..9fa2f205f05c 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -810,7 +810,7 @@ static void debug_display_dimm_sizes_df(struct amd64_pvt 
*pvt, u8 ctrl)
 
        edac_printk(KERN_DEBUG, EDAC_MC, "UMC%d chip selects:\n", ctrl);
 
-       for (dimm = 0; dimm < 4; dimm++) {
+       for (dimm = 0; dimm < 2; dimm++) {
                size0 = 0;
                cs0 = dimm * 2;
 
@@ -942,6 +942,9 @@ static void prep_chip_selects(struct amd64_pvt *pvt)
        } else if (pvt->fam == 0x15 && pvt->model == 0x30) {
                pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
                pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
+       } else if (pvt->fam >= 0x17) {
+               pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
+               pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
        } else {
                pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
                pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 4;
-- 
2.17.1