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drm/amdgpu: switch to amdgpu_ras_late_init for gmc v9 block (v2)

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call helper function in late init phase to handle ras init
for gmc ip block

v2: call ras_late_fini to do clean up when fail to enable interrupt

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2019-08-29 19:35:50 +08:00 committed by Alex Deucher
parent 7d0a31e8cc
commit 2452e7783c
1 changed files with 47 additions and 112 deletions
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159
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View file

@ -762,133 +762,68 @@ static int gmc_v9_0_allocate_vm_inv_eng(struct amdgpu_device *adev)
return 0;
}
static int gmc_v9_0_ecc_ras_block_late_init(void *handle,
struct ras_fs_if *fs_info, struct ras_common_if *ras_block)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct ras_common_if **ras_if = NULL;
struct ras_ih_if ih_info = {
.cb = gmc_v9_0_process_ras_data_cb,
};
int r;
if (ras_block->block == AMDGPU_RAS_BLOCK__UMC)
ras_if = &adev->gmc.umc_ras_if;
else if (ras_block->block == AMDGPU_RAS_BLOCK__MMHUB)
ras_if = &adev->gmc.mmhub_ras_if;
else
BUG();
if (!amdgpu_ras_is_supported(adev, ras_block->block)) {
amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
return 0;
}
/* handle resume path. */
if (*ras_if) {
/* resend ras TA enable cmd during resume.
* prepare to handle failure.
*/
ih_info.head = **ras_if;
r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
if (r) {
if (r == -EAGAIN) {
/* request a gpu reset. will run again. */
amdgpu_ras_request_reset_on_boot(adev,
ras_block->block);
return 0;
}
/* fail to enable ras, cleanup all. */
goto irq;
}
/* enable successfully. continue. */
goto resume;
}
*ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL);
if (!*ras_if)
return -ENOMEM;
**ras_if = *ras_block;
r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
if (r) {
if (r == -EAGAIN) {
amdgpu_ras_request_reset_on_boot(adev,
ras_block->block);
r = 0;
}
goto feature;
}
ih_info.head = **ras_if;
fs_info->head = **ras_if;
if (ras_block->block == AMDGPU_RAS_BLOCK__UMC) {
r = amdgpu_ras_interrupt_add_handler(adev, &ih_info);
if (r)
goto interrupt;
}
amdgpu_ras_debugfs_create(adev, fs_info);
r = amdgpu_ras_sysfs_create(adev, fs_info);
if (r)
goto sysfs;
resume:
if (ras_block->block == AMDGPU_RAS_BLOCK__UMC) {
r = amdgpu_irq_get(adev, &adev->gmc.ecc_irq, 0);
if (r)
goto irq;
}
return 0;
irq:
amdgpu_ras_sysfs_remove(adev, *ras_if);
sysfs:
amdgpu_ras_debugfs_remove(adev, *ras_if);
if (ras_block->block == AMDGPU_RAS_BLOCK__UMC)
amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
interrupt:
amdgpu_ras_feature_enable(adev, *ras_if, 0);
feature:
kfree(*ras_if);
*ras_if = NULL;
return r;
}
static int gmc_v9_0_ecc_late_init(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct ras_ih_if mmhub_ih_info;
struct ras_fs_if umc_fs_info = {
.sysfs_name = "umc_err_count",
.debugfs_name = "umc_err_inject",
};
struct ras_common_if umc_ras_block = {
.block = AMDGPU_RAS_BLOCK__UMC,
.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
.sub_block_index = 0,
.name = "umc",
struct ras_ih_if umc_ih_info = {
.cb = gmc_v9_0_process_ras_data_cb,
};
struct ras_fs_if mmhub_fs_info = {
.sysfs_name = "mmhub_err_count",
.debugfs_name = "mmhub_err_inject",
};
struct ras_common_if mmhub_ras_block = {
.block = AMDGPU_RAS_BLOCK__MMHUB,
.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
.sub_block_index = 0,
.name = "mmhub",
};
r = gmc_v9_0_ecc_ras_block_late_init(handle,
&umc_fs_info, &umc_ras_block);
if (!adev->gmc.umc_ras_if) {
adev->gmc.umc_ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->gmc.umc_ras_if)
return -ENOMEM;
adev->gmc.umc_ras_if->block = AMDGPU_RAS_BLOCK__UMC;
adev->gmc.umc_ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->gmc.umc_ras_if->sub_block_index = 0;
strcpy(adev->gmc.umc_ras_if->name, "umc");
}
umc_ih_info.head = umc_fs_info.head = *adev->gmc.umc_ras_if;
r = amdgpu_ras_late_init(adev, adev->gmc.umc_ras_if,
&umc_fs_info, &umc_ih_info);
if (r)
return r;
goto free;
r = gmc_v9_0_ecc_ras_block_late_init(handle,
&mmhub_fs_info, &mmhub_ras_block);
if (amdgpu_ras_is_supported(adev, adev->gmc.umc_ras_if->block)) {
r = amdgpu_irq_get(adev, &adev->gmc.ecc_irq, 0);
if (r)
goto umc_late_fini;
}
if (!adev->gmc.mmhub_ras_if) {
adev->gmc.mmhub_ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->gmc.mmhub_ras_if)
return -ENOMEM;
adev->gmc.mmhub_ras_if->block = AMDGPU_RAS_BLOCK__MMHUB;
adev->gmc.mmhub_ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->gmc.mmhub_ras_if->sub_block_index = 0;
strcpy(adev->gmc.mmhub_ras_if->name, "mmhub");
}
mmhub_ih_info.head = mmhub_fs_info.head = *adev->gmc.mmhub_ras_if;
r = amdgpu_ras_late_init(adev, adev->gmc.mmhub_ras_if,
&mmhub_fs_info, &mmhub_ih_info);
if (r)
goto mmhub_late_fini;
return 0;
mmhub_late_fini:
amdgpu_ras_late_fini(adev, adev->gmc.mmhub_ras_if, &mmhub_ih_info);
umc_late_fini:
amdgpu_ras_late_fini(adev, adev->gmc.umc_ras_if, &umc_ih_info);
free:
kfree(adev->gmc.umc_ras_if);
kfree(adev->gmc.mmhub_ras_if);
return r;
}