[PATCH] drm/amdgpu: Update IPID value for bad page threshold CPER

Xiang Liu xiang.liu at amd.com
Wed Jul 23 06:40:40 UTC 2025


Update the IPID register value for bad page threshold CPER according to
the latest definition.

Signed-off-by: Xiang Liu <xiang.liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
index 15dde1f50328..d16267868adb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
@@ -206,6 +206,7 @@ int amdgpu_cper_entry_fill_bad_page_threshold_section(struct amdgpu_device *adev
 {
 	struct cper_sec_desc *section_desc;
 	struct cper_sec_nonstd_err *section;
+	uint32_t socket_id;
 
 	section_desc = (struct cper_sec_desc *)((uint8_t *)hdr + SEC_DESC_OFFSET(idx));
 	section = (struct cper_sec_nonstd_err *)((uint8_t *)hdr +
@@ -224,6 +225,9 @@ int amdgpu_cper_entry_fill_bad_page_threshold_section(struct amdgpu_device *adev
 	section->ctx.reg_arr_size = sizeof(section->ctx.reg_dump);
 
 	/* Hardcoded Reg dump for bad page threshold CPER */
+	socket_id = (adev->smuio.funcs && adev->smuio.funcs->get_socket_id) ?
+				adev->smuio.funcs->get_socket_id(adev) :
+				0;
 	section->ctx.reg_dump[CPER_ACA_REG_CTL_LO]    = 0x1;
 	section->ctx.reg_dump[CPER_ACA_REG_CTL_HI]    = 0x0;
 	section->ctx.reg_dump[CPER_ACA_REG_STATUS_LO] = 0x137;
@@ -234,8 +238,8 @@ int amdgpu_cper_entry_fill_bad_page_threshold_section(struct amdgpu_device *adev
 	section->ctx.reg_dump[CPER_ACA_REG_MISC0_HI]  = 0x0;
 	section->ctx.reg_dump[CPER_ACA_REG_CONFIG_LO] = 0x2;
 	section->ctx.reg_dump[CPER_ACA_REG_CONFIG_HI] = 0x1ff;
-	section->ctx.reg_dump[CPER_ACA_REG_IPID_LO]   = 0x0;
-	section->ctx.reg_dump[CPER_ACA_REG_IPID_HI]   = 0x96;
+	section->ctx.reg_dump[CPER_ACA_REG_IPID_LO]   = (socket_id / 4) & 0x01;
+	section->ctx.reg_dump[CPER_ACA_REG_IPID_HI]   = 0x096 | (((socket_id % 4) & 0x3) << 12);
 	section->ctx.reg_dump[CPER_ACA_REG_SYND_LO]   = 0x0;
 	section->ctx.reg_dump[CPER_ACA_REG_SYND_HI]   = 0x0;
 
-- 
2.34.1



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