[PATCH] drm/amdgpu: retire UMC v12 mca_addr_to_pa
Tao Zhou
tao.zhou1 at amd.com
Tue Apr 2 08:50:50 UTC 2024
RAS TA will handle it, the interface is useless.
Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1 -
drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | 105 ++-----------------------
drivers/gpu/drm/amd/amdgpu/umc_v12_0.h | 62 +--------------
3 files changed, 7 insertions(+), 161 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 4ba26d7e52bd..afae497cbf40 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1460,7 +1460,6 @@ static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
adev->umc.channel_offs = UMC_V12_0_PER_CHANNEL_OFFSET;
adev->umc.active_mask = adev->aid_mask;
adev->umc.retire_unit = UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL;
- adev->umc.channel_idx_tbl = &umc_v12_0_channel_idx_tbl[0][0][0];
if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu)
adev->umc.ras = &umc_v12_0_ras;
break;
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
index f46a176f9b55..a0122b22eda4 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
@@ -28,28 +28,6 @@
#include "umc/umc_12_0_0_sh_mask.h"
#include "mp/mp_13_0_6_sh_mask.h"
-const uint32_t
- umc_v12_0_channel_idx_tbl[]
- [UMC_V12_0_UMC_INSTANCE_NUM]
- [UMC_V12_0_CHANNEL_INSTANCE_NUM] = {
- {{3, 7, 11, 15, 2, 6, 10, 14}, {1, 5, 9, 13, 0, 4, 8, 12},
- {19, 23, 27, 31, 18, 22, 26, 30}, {17, 21, 25, 29, 16, 20, 24, 28}},
- {{47, 43, 39, 35, 46, 42, 38, 34}, {45, 41, 37, 33, 44, 40, 36, 32},
- {63, 59, 55, 51, 62, 58, 54, 50}, {61, 57, 53, 49, 60, 56, 52, 48}},
- {{79, 75, 71, 67, 78, 74, 70, 66}, {77, 73, 69, 65, 76, 72, 68, 64},
- {95, 91, 87, 83, 94, 90, 86, 82}, {93, 89, 85, 81, 92, 88, 84, 80}},
- {{99, 103, 107, 111, 98, 102, 106, 110}, {97, 101, 105, 109, 96, 100, 104, 108},
- {115, 119, 123, 127, 114, 118, 122, 126}, {113, 117, 121, 125, 112, 116, 120, 124}}
- };
-
-/* mapping of MCA error address to normalized address */
-static const uint32_t umc_v12_0_ma2na_mapping[] = {
- 0, 5, 6, 8, 9, 14, 12, 13,
- 10, 11, 15, 16, 17, 18, 19, 20,
- 21, 22, 23, 24, 25, 26, 27, 28,
- 24, 7, 29, 30,
-};
-
static inline uint64_t get_umc_v12_0_reg_offset(struct amdgpu_device *adev,
uint32_t node_inst,
uint32_t umc_inst,
@@ -192,79 +170,6 @@ static void umc_v12_0_query_ras_error_count(struct amdgpu_device *adev,
umc_v12_0_reset_error_count(adev);
}
-static bool umc_v12_0_bit_wise_xor(uint32_t val)
-{
- bool result = 0;
- int i;
-
- for (i = 0; i < 32; i++)
- result = result ^ ((val >> i) & 0x1);
-
- return result;
-}
-
-static void umc_v12_0_mca_addr_to_pa(struct amdgpu_device *adev,
- uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst,
- uint32_t node_inst,
- struct ta_ras_query_address_output *addr_out)
-{
- uint32_t channel_index, i;
- uint64_t na, soc_pa;
- uint32_t bank_hash0, bank_hash1, bank_hash2, bank_hash3, col, row;
- uint32_t bank0, bank1, bank2, bank3, bank;
-
- bank_hash0 = (err_addr >> UMC_V12_0_MCA_B0_BIT) & 0x1ULL;
- bank_hash1 = (err_addr >> UMC_V12_0_MCA_B1_BIT) & 0x1ULL;
- bank_hash2 = (err_addr >> UMC_V12_0_MCA_B2_BIT) & 0x1ULL;
- bank_hash3 = (err_addr >> UMC_V12_0_MCA_B3_BIT) & 0x1ULL;
- col = (err_addr >> 1) & 0x1fULL;
- row = (err_addr >> 10) & 0x3fffULL;
-
- /* apply bank hash algorithm */
- bank0 =
- bank_hash0 ^ (UMC_V12_0_XOR_EN0 &
- (umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR0) ^
- (umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR0))));
- bank1 =
- bank_hash1 ^ (UMC_V12_0_XOR_EN1 &
- (umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR1) ^
- (umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR1))));
- bank2 =
- bank_hash2 ^ (UMC_V12_0_XOR_EN2 &
- (umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR2) ^
- (umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR2))));
- bank3 =
- bank_hash3 ^ (UMC_V12_0_XOR_EN3 &
- (umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR3) ^
- (umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR3))));
-
- bank = bank0 | (bank1 << 1) | (bank2 << 2) | (bank3 << 3);
- err_addr &= ~0x3c0ULL;
- err_addr |= (bank << UMC_V12_0_MCA_B0_BIT);
-
- na = 0x0;
- /* convert mca error address to normalized address */
- for (i = 1; i < ARRAY_SIZE(umc_v12_0_ma2na_mapping); i++)
- na |= ((err_addr >> i) & 0x1ULL) << umc_v12_0_ma2na_mapping[i];
-
- channel_index =
- adev->umc.channel_idx_tbl[node_inst * adev->umc.umc_inst_num *
- adev->umc.channel_inst_num +
- umc_inst * adev->umc.channel_inst_num +
- ch_inst];
- /* translate umc channel address to soc pa, 3 parts are included */
- soc_pa = ADDR_OF_32KB_BLOCK(na) |
- ADDR_OF_256B_BLOCK(channel_index) |
- OFFSET_IN_256B_BLOCK(na);
-
- /* the umc channel bits are not original values, they are hashed */
- UMC_V12_0_SET_CHANNEL_HASH(channel_index, soc_pa);
-
- addr_out->pa.pa = soc_pa;
- addr_out->pa.bank = bank;
- addr_out->pa.channel_idx = channel_index;
-}
-
static void umc_v12_0_convert_error_address(struct amdgpu_device *adev,
struct ras_err_data *err_data,
struct ta_ras_query_address_input *addr_in)
@@ -275,10 +180,12 @@ static void umc_v12_0_convert_error_address(struct amdgpu_device *adev,
err_addr = addr_in->ma.err_addr;
addr_in->addr_type = TA_RAS_MCA_TO_PA;
- if (psp_ras_query_address(&adev->psp, addr_in, &addr_out))
- /* fallback to old path if fail to get pa from psp */
- umc_v12_0_mca_addr_to_pa(adev, err_addr, addr_in->ma.ch_inst,
- addr_in->ma.umc_inst, addr_in->ma.node_inst, &addr_out);
+ if (psp_ras_query_address(&adev->psp, addr_in, &addr_out)) {
+ dev_warn(adev->dev, "Failed to query RAS physical address for 0x%llx",
+ err_addr);
+
+ return;
+ }
soc_pa = addr_out.pa.pa;
bank = addr_out.pa.bank;
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
index 5973bfb14fce..1d5f44dcffdd 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.h
@@ -55,67 +55,12 @@
#define UMC_V12_0_NA_MAP_PA_NUM 8
/* R13 bit shift should be considered, double the number */
#define UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL (UMC_V12_0_NA_MAP_PA_NUM * 2)
-/* bank bits in MCA error address */
-#define UMC_V12_0_MCA_B0_BIT 6
-#define UMC_V12_0_MCA_B1_BIT 7
-#define UMC_V12_0_MCA_B2_BIT 8
-#define UMC_V12_0_MCA_B3_BIT 9
+
/* column bits in SOC physical address */
#define UMC_V12_0_PA_C2_BIT 15
#define UMC_V12_0_PA_C4_BIT 21
/* row bits in SOC physical address */
#define UMC_V12_0_PA_R13_BIT 35
-/* channel index bits in SOC physical address */
-#define UMC_V12_0_PA_CH4_BIT 12
-#define UMC_V12_0_PA_CH5_BIT 13
-#define UMC_V12_0_PA_CH6_BIT 14
-
-/* bank hash settings */
-#define UMC_V12_0_XOR_EN0 1
-#define UMC_V12_0_XOR_EN1 1
-#define UMC_V12_0_XOR_EN2 1
-#define UMC_V12_0_XOR_EN3 1
-#define UMC_V12_0_COL_XOR0 0x0
-#define UMC_V12_0_COL_XOR1 0x0
-#define UMC_V12_0_COL_XOR2 0x800
-#define UMC_V12_0_COL_XOR3 0x1000
-#define UMC_V12_0_ROW_XOR0 0x11111
-#define UMC_V12_0_ROW_XOR1 0x22222
-#define UMC_V12_0_ROW_XOR2 0x4444
-#define UMC_V12_0_ROW_XOR3 0x8888
-
-/* channel hash settings */
-#define UMC_V12_0_HASH_4K 0
-#define UMC_V12_0_HASH_64K 1
-#define UMC_V12_0_HASH_2M 1
-#define UMC_V12_0_HASH_1G 1
-#define UMC_V12_0_HASH_1T 1
-
-/* XOR some bits of PA into CH4~CH6 bits (bits 12~14 of PA),
- * hash bit is only effective when related setting is enabled
- */
-#define UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) ((((channel_idx) >> 5) & 0x1) ^ \
- (((pa) >> 20) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
- (((pa) >> 27) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
- (((pa) >> 34) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
- (((pa) >> 41) & 0x1ULL & UMC_V12_0_HASH_1T))
-#define UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) ((((channel_idx) >> 6) & 0x1) ^ \
- (((pa) >> 21) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
- (((pa) >> 28) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
- (((pa) >> 35) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
- (((pa) >> 42) & 0x1ULL & UMC_V12_0_HASH_1T))
-#define UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) ((((channel_idx) >> 4) & 0x1) ^ \
- (((pa) >> 19) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
- (((pa) >> 26) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
- (((pa) >> 33) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
- (((pa) >> 40) & 0x1ULL & UMC_V12_0_HASH_1T) ^ \
- (((pa) >> 47) & 0x1ULL & UMC_V12_0_HASH_4K))
-#define UMC_V12_0_SET_CHANNEL_HASH(channel_idx, pa) do { \
- (pa) &= ~(0x7ULL << UMC_V12_0_PA_CH4_BIT); \
- (pa) |= (UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) << UMC_V12_0_PA_CH4_BIT); \
- (pa) |= (UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) << UMC_V12_0_PA_CH5_BIT); \
- (pa) |= (UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) << UMC_V12_0_PA_CH6_BIT); \
- } while (0)
#define MCA_IPID_LO_2_UMC_CH(_ipid_lo) (((((_ipid_lo) >> 20) & 0x1) * 4) + \
(((_ipid_lo) >> 12) & 0xF))
@@ -127,11 +72,6 @@ bool umc_v12_0_is_correctable_error(struct amdgpu_device *adev, uint64_t mc_umc_
typedef bool (*check_error_type_func)(struct amdgpu_device *adev, uint64_t mc_umc_status);
-extern const uint32_t
- umc_v12_0_channel_idx_tbl[]
- [UMC_V12_0_UMC_INSTANCE_NUM]
- [UMC_V12_0_CHANNEL_INSTANCE_NUM];
-
extern struct amdgpu_umc_ras umc_v12_0_ras;
#endif
--
2.34.1
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