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drm/amdgpu: change default behavior of bad_page_threshold parameter

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Ignore ras umc bad page threshold by default, GPU initialization won't
be stopped in this mode.

v2: refine the description of bad_page_threshold.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou 2023-02-21 15:25:01 +08:00 committed by Alex Deucher
parent 4d33e0f134
commit f3cbe70e21
3 changed files with 7 additions and 6 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View file

@ -924,7 +924,7 @@ module_param_named(reset_method, amdgpu_reset_method, int, 0444);
* result in the GPU entering bad status when the number of total
* faulty pages by ECC exceeds the threshold value.
*/
MODULE_PARM_DESC(bad_page_threshold, "Bad page threshold(-1 = auto(default value), 0 = disable bad page retirement, -2 = ignore bad page threshold)");
MODULE_PARM_DESC(bad_page_threshold, "Bad page threshold(-1 = ignore threshold (default value), 0 = disable bad page retirement, -2 = driver sets threshold)");
module_param_named(bad_page_threshold, amdgpu_bad_page_threshold, int, 0444);
MODULE_PARM_DESC(num_kcq, "number of kernel compute queue user want to setup (8 if set to greater than 8 or less than 0, only affect gfx 8+)");

7
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View file

@ -2196,11 +2196,12 @@ static void amdgpu_ras_validate_threshold(struct amdgpu_device *adev,
/*
* Justification of value bad_page_cnt_threshold in ras structure
*
* Generally, -1 <= amdgpu_bad_page_threshold <= max record length
* in eeprom, and introduce two scenarios accordingly.
* Generally, 0 <= amdgpu_bad_page_threshold <= max record length
* in eeprom or amdgpu_bad_page_threshold == -2, introduce two
* scenarios accordingly.
*
* Bad page retirement enablement:
* - If amdgpu_bad_page_threshold = -1,
* - If amdgpu_bad_page_threshold = -2,
* bad_page_cnt_threshold = typical value by formula.
*
* - When the value from user is 0 < amdgpu_bad_page_threshold <

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
View file

@ -1191,8 +1191,8 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control,
} else {
dev_err(adev->dev, "RAS records:%d exceed threshold:%d",
control->ras_num_recs, ras->bad_page_cnt_threshold);
if (amdgpu_bad_page_threshold == -2) {
dev_warn(adev->dev, "GPU will be initialized due to bad_page_threshold = -2.");
if (amdgpu_bad_page_threshold == -1) {
dev_warn(adev->dev, "GPU will be initialized due to bad_page_threshold = -1.");
res = 0;
} else {
*exceed_err_limit = true;