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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-25 11:48:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-25 11:48:08 +0300 |
| commit | c04005ef3576893e2db315d9ea2cfa4cf88b2c05 (patch) | |
| tree | c5f73e026486ef172ca5b0f48a34c67d6aa69c5e /drivers/ras/amd/atl/umc.c | |
| parent | d15a6b92acfe1f4d7c3d4cf628a348deb7ad6eb3 (diff) | |
| parent | ef4999852d307d38cfdecd91ed6892cc03beb9b8 (diff) | |
| download | linux-rolling-lts.tar.xz | |
Merge v6.12.25linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ras/amd/atl/umc.c')
| -rw-r--r-- | drivers/ras/amd/atl/umc.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/ras/amd/atl/umc.c b/drivers/ras/amd/atl/umc.c index dc8aa12f63c8..6e072b7667e9 100644 --- a/drivers/ras/amd/atl/umc.c +++ b/drivers/ras/amd/atl/umc.c @@ -229,7 +229,6 @@ int get_umc_info_mi300(void) * Additionally, the PC and Bank bits may be hashed. This must be accounted for before * reconstructing the normalized address. */ -#define MI300_UMC_MCA_COL GENMASK(5, 1) #define MI300_UMC_MCA_BANK GENMASK(9, 6) #define MI300_UMC_MCA_ROW GENMASK(24, 10) #define MI300_UMC_MCA_PC BIT(25) @@ -320,7 +319,7 @@ static unsigned long convert_dram_to_norm_addr_mi300(unsigned long addr) * See amd_atl::convert_dram_to_norm_addr_mi300() for MI300 address formats. */ #define MI300_NUM_COL BIT(HWEIGHT(MI300_UMC_MCA_COL)) -static void retire_row_mi300(struct atl_err *a_err) +static void _retire_row_mi300(struct atl_err *a_err) { unsigned long addr; struct page *p; @@ -351,6 +350,22 @@ static void retire_row_mi300(struct atl_err *a_err) } } +/* + * In addition to the column bits, the row[13] bit should also be included when + * calculating addresses affected by a physical row. + * + * Instead of running through another loop over a single bit, just run through + * the column bits twice and flip the row[13] bit in-between. + * + * See MI300_UMC_MCA_ROW for the row bits in MCA_ADDR_UMC value. + */ +static void retire_row_mi300(struct atl_err *a_err) +{ + _retire_row_mi300(a_err); + a_err->addr ^= MI300_UMC_MCA_ROW13; + _retire_row_mi300(a_err); +} + void amd_retire_dram_row(struct atl_err *a_err) { if (df_cfg.rev == DF4p5 && df_cfg.flags.heterogeneous) |