[PATCH 6/6] drm/amdgpu: set flip bits for RAS bad pages
Tao Zhou
tao.zhou1 at amd.com
Thu Apr 17 08:58:32 UTC 2025
Make the code more general, user doesn't need to pay attention to the
detail of flip bits setting.
Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
---
drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
index b24229701fd7..9d280b74cc3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
@@ -309,9 +309,10 @@ static int umc_v12_0_convert_error_address(struct amdgpu_device *adev,
col_lower = (err_addr >> 1) & 0x3ULL;
/* extra row bit will be handled later */
row_lower = (err_addr >> UMC_V12_0_MA_R0_BIT) & 0x1fffULL;
+ row_lower &= ~BIT_ULL(adev->umc.flip_bits.flip_row_bit);
if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0)) {
- row_high = (soc_pa >> UMC_V12_0_PA_R13_BIT) & 0x3ULL;
+ row_high = (soc_pa >> adev->umc.flip_bits.r13_in_pa) & 0x3ULL;
/* it's 2.25GB in each channel, from MCA address to PA
* [R14 R13] is converted if the two bits value are 0x3,
* get them from PA instead of MCA address.
@@ -329,8 +330,11 @@ static int umc_v12_0_convert_error_address(struct amdgpu_device *adev,
soc_pa |= (((column >> i) & 0x1ULL) << flip_bits[i]);
col = ((column & 0x7) << 2) | col_lower;
- /* add row bit 13 */
- row = ((column >> 3) << 13) | row_lower;
+ /* handle extra row bit */
+ if (bit_num == RETIRE_FLIP_BITS_NUM) {
+ row = ((column >> 3) << adev->umc.flip_bits.flip_row_bit) |
+ row_lower;
+ }
if (dump_addr)
dev_info(adev->dev,
@@ -550,7 +554,7 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev,
struct ras_ecc_err *ecc_err;
struct ta_ras_query_address_output addr_out;
enum amdgpu_memory_partition nps = AMDGPU_NPS1_PARTITION_MODE;
- uint32_t shift_bit = UMC_V12_0_PA_C4_BIT;
+ uint32_t shift_bit = adev->umc.flip_bits.flip_bits_in_pa[2];
int count, ret, i;
hwid = REG_GET_FIELD(ipid, MCMP1_IPIDT0, HardwareID);
@@ -598,11 +602,6 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev,
if (adev->gmc.gmc_funcs->query_mem_partition_mode)
nps = adev->gmc.gmc_funcs->query_mem_partition_mode(adev);
- if (nps == AMDGPU_NPS2_PARTITION_MODE)
- shift_bit = UMC_V12_0_PA_B1_BIT;
- if (nps == AMDGPU_NPS4_PARTITION_MODE)
- shift_bit = UMC_V12_0_PA_B0_BIT;
-
/* If converted pa_pfn is 0, use pa C4 pfn. */
if (!ecc_err->pa_pfn)
ecc_err->pa_pfn = BIT_ULL(shift_bit) >> AMDGPU_GPU_PAGE_SHIFT;
--
2.34.1
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