diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v6_7.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v6_7.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.h b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.h index 57f2557e7aca..fe41ed2f5945 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.h +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.h @@ -41,9 +41,32 @@ #define UMC_V6_7_CHANNEL_INSTANCE_NUM 8 /* total channel instances in one umc block */ #define UMC_V6_7_TOTAL_CHANNEL_NUM (UMC_V6_7_CHANNEL_INSTANCE_NUM * UMC_V6_7_UMC_INSTANCE_NUM) +/* one piece of normalizing address is mapped to 8 pieces of physical address */ +#define UMC_V6_7_NA_MAP_PA_NUM 8 +/* R14 bit shift should be considered, double the number */ +#define UMC_V6_7_BAD_PAGE_NUM_PER_CHANNEL (UMC_V6_7_NA_MAP_PA_NUM * 2) +/* The CH4 bit in SOC physical address */ +#define UMC_V6_7_PA_CH4_BIT 12 +/* The C2 bit in SOC physical address */ +#define UMC_V6_7_PA_C2_BIT 17 +/* The R14 bit in SOC physical address */ +#define UMC_V6_7_PA_R14_BIT 34 /* UMC regiser per channel offset */ #define UMC_V6_7_PER_CHANNEL_OFFSET 0x400 -extern const struct amdgpu_umc_ras_funcs umc_v6_7_ras_funcs; + +/* XOR bit 20, 25, 34 of PA into CH4 bit (bit 12 of PA), + * hash bit is only effective when related setting is enabled + */ +#define CHANNEL_HASH(channel_idx, pa) (((channel_idx) >> 4) ^ \ + (((pa) >> 20) & 0x1ULL & adev->df.hash_status.hash_64k) ^ \ + (((pa) >> 25) & 0x1ULL & adev->df.hash_status.hash_2m) ^ \ + (((pa) >> 34) & 0x1ULL & adev->df.hash_status.hash_1g)) +#define SET_CHANNEL_HASH(channel_idx, pa) do { \ + (pa) &= ~(0x1ULL << UMC_V6_7_PA_CH4_BIT); \ + (pa) |= (CHANNEL_HASH(channel_idx, pa) << UMC_V6_7_PA_CH4_BIT); \ + } while (0) + +extern struct amdgpu_umc_ras umc_v6_7_ras; extern const uint32_t umc_v6_7_channel_idx_tbl_second[UMC_V6_7_UMC_INSTANCE_NUM][UMC_V6_7_CHANNEL_INSTANCE_NUM]; extern const uint32_t |