[AMD Official Use Only - General]
Thanks, will update it in next version.
Best Regards,
Kevin
-----Original Message-----
From: Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Sent: Wednesday, January 3, 2024 7:43 PM
To: Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhou1, Tao <Tao.Zhou1@xxxxxxx>; Chai, Thomas <YiPeng.Chai@xxxxxxx>
Subject: RE: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support
[AMD Official Use Only - General]
+ if (instlo != 0x03b30400)
Just nitpick. Let's still use macro to define magic number 0x36430400, 0x38430400, etc., although the same magic number has different representation depending on the IP blocks.
Regards,
Hawking
-----Original Message-----
From: Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>
Sent: Wednesday, January 3, 2024 16:02
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Zhou1, Tao <Tao.Zhou1@xxxxxxx>; Chai, Thomas <YiPeng.Chai@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>
Subject: [PATCH 10/14] drm/amdgpu: add mmhub v1.8 ACA support
add mmhub v1.8 ACA driver support
Signed-off-by: Yang Wang <kevinyang.wang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | 87 +++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
index fb53aacdcba2..a0a4a2f3227f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
@@ -705,8 +705,95 @@ static const struct amdgpu_ras_block_hw_ops mmhub_v1_8_ras_hw_ops = {
.reset_ras_error_count = mmhub_v1_8_reset_ras_error_count, };
+static int mmhub_v1_8_aca_bank_generate_report(struct aca_handle *handle,
+ struct aca_bank *bank, enum aca_error_type type,
+ struct aca_bank_report *report, void *data) {
+ u64 status, misc0;
+ int ret;
+
+ status = bank->regs[ACA_REG_IDX_STATUS];
+ if ((type == ACA_ERROR_TYPE_UE &&
+ ACA_REG__STATUS__ERRORCODEEXT(status) == ACA_EXTERROR_CODE_FAULT) ||
+ (type == ACA_ERROR_TYPE_CE &&
+ ACA_REG__STATUS__ERRORCODEEXT(status) ==
+ ACA_EXTERROR_CODE_CE)) {
+
+ ret = aca_bank_info_decode(bank, &report->info);
+ if (ret)
+ return ret;
+
+ misc0 = bank->regs[ACA_REG_IDX_MISC0];
+ report->count = ACA_REG__MISC0__ERRCNT(misc0);
+ report->type = type;
+ }
+
+ return 0;
+}
+
+/* reference to smu driver if header file */ static int
+mmhub_v1_8_err_codes[] = {
+ 0, 1, 2, 3, 4, /* CODE_DAGB0 - 4 */
+ 5, 6, 7, 8, 9, /* CODE_EA0 - 4 */
+ 10, /* CODE_UTCL2_ROUTER */
+ 11, /* CODE_VML2 */
+ 12, /* CODE_VML2_WALKER */
+ 13, /* CODE_MMCANE */
+};
+
+static bool mmhub_v1_8_aca_bank_is_valid(struct aca_handle *handle, struct aca_bank *bank,
+ enum aca_error_type type, void *data) {
+ u32 instlo;
+
+ instlo = ACA_REG__IPID__INSTANCEIDLO(bank->regs[ACA_REG_IDX_IPID]);
+ instlo &= GENMASK(31, 1);
+
+ if (instlo != 0x03b30400)
+ return false;
+
+ if (aca_bank_check_error_codes(handle->adev, bank,
+ mmhub_v1_8_err_codes,
+ ARRAY_SIZE(mmhub_v1_8_err_codes)))
+ return false;
+
+ return true;
+}
+
+static const struct aca_bank_ops mmhub_v1_8_aca_bank_ops = {
+ .aca_bank_generate_report = mmhub_v1_8_aca_bank_generate_report,
+ .aca_bank_is_valid = mmhub_v1_8_aca_bank_is_valid, };
+
+static const struct aca_info mmhub_v1_8_aca_info = {
+ .hwip = ACA_HWIP_TYPE_SMU,
+ .mask = ACA_ERROR_UE_MASK,
+ .bank_ops = &mmhub_v1_8_aca_bank_ops, };
+
+static int mmhub_v1_8_ras_late_init(struct amdgpu_device *adev, struct
+ras_common_if *ras_block) {
+ int r;
+
+ r = amdgpu_ras_block_late_init(adev, ras_block);
+ if (r)
+ return r;
+
+ r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__MMHUB,
+ &mmhub_v1_8_aca_info, NULL);
+ if (r)
+ goto late_fini;
+
+ return 0;
+
+late_fini:
+ amdgpu_ras_block_late_fini(adev, ras_block);
+
+ return r;
+}
+
struct amdgpu_mmhub_ras mmhub_v1_8_ras = {
.ras_block = {
.hw_ops = &mmhub_v1_8_ras_hw_ops,
+ .ras_late_init = mmhub_v1_8_ras_late_init,
},
};
--
2.34.1
