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authorTao Zhou <tao.zhou1@amd.com>2024-10-30 09:17:49 +0300
committerAlex Deucher <alexander.deucher@amd.com>2024-12-10 18:26:46 +0300
commit2206daa1f9182a08aea92213dc2bcb387173dab1 (patch)
treee1543d0b4908d72e1f95cbe6fdcaa0ec9b6c3970 /drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
parent71a0e9630027f77d7646c5b750593c9ecfaa27d3 (diff)
downloadlinux-2206daa1f9182a08aea92213dc2bcb387173dab1.tar.xz
drm/amdgpu: add a flag to indicate UMC channel index version
v1 (legacy way): store channel index within a UMC instance in eeprom v2: store global channel index in eeprom V2: only save the flag on eeprom, clear it after saving. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index f28f6b4ba765..f4a9e15389ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -841,7 +841,7 @@ int amdgpu_ras_eeprom_append(struct amdgpu_ras_eeprom_control *control,
const u32 num)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
- int res;
+ int res, i;
if (!__is_ras_eeprom_supported(adev))
return 0;
@@ -855,6 +855,10 @@ int amdgpu_ras_eeprom_append(struct amdgpu_ras_eeprom_control *control,
return -EINVAL;
}
+ /* set the new channel index flag */
+ for (i = 0; i < num; i++)
+ record[i].retired_page |= UMC_CHANNEL_IDX_V2;
+
mutex_lock(&control->ras_tbl_mutex);
res = amdgpu_ras_eeprom_append_table(control, record, num);
@@ -864,6 +868,11 @@ int amdgpu_ras_eeprom_append(struct amdgpu_ras_eeprom_control *control,
amdgpu_ras_debugfs_set_ret_size(control);
mutex_unlock(&control->ras_tbl_mutex);
+
+ /* clear channel index flag, the flag is only saved on eeprom */
+ for (i = 0; i < num; i++)
+ record[i].retired_page &= ~UMC_CHANNEL_IDX_V2;
+
return res;
}