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drm/amdgpu: add ras_late_init callback function for nbio v7_4 (v3) 

ras_late_init callback function will be used to do common ras
init in late init phase.

v2: call ras_late_fini to do cleanup when fails to enable interrupt

v3: rename sysfs/debugfs node name to pcie_bif_xxx

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 20:57:32 +08:00 committed by Alex Deucher
parent dda79907a7
commit 9ad1dc295b
2 changed files with 47 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
View File

@ -81,12 +81,14 @@ struct amdgpu_nbio_funcs {
void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev);
int (*init_ras_controller_interrupt)(struct amdgpu_device *adev);
int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev);
int (*ras_late_init)(struct amdgpu_device *adev);
};
struct amdgpu_nbio {
const struct nbio_hdp_flush_reg *hdp_flush_reg;
struct amdgpu_irq_src ras_controller_irq;
struct amdgpu_irq_src ras_err_event_athub_irq;
struct ras_common_if *ras_if;
const struct amdgpu_nbio_funcs *funcs;
};

45
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
View File

@ -23,6 +23,7 @@
#include "amdgpu.h"
#include "amdgpu_atombios.h"
#include "nbio_v7_4.h"
#include "amdgpu_ras.h"
#include "nbio/nbio_7_4_offset.h"
#include "nbio/nbio_7_4_sh_mask.h"
@ -468,6 +469,49 @@ static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *a
return 0;
}
static int nbio_v7_4_ras_late_init(struct amdgpu_device *adev)
{
int r;
struct ras_ih_if ih_info = {
.cb = NULL,
};
struct ras_fs_if fs_info = {
.sysfs_name = "pcie_bif_err_count",
.debugfs_name = "pcie_bif_err_inject",
};
if (!adev->nbio.ras_if) {
adev->nbio.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->nbio.ras_if)
return -ENOMEM;
adev->nbio.ras_if->block = AMDGPU_RAS_BLOCK__PCIE_BIF;
adev->nbio.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->nbio.ras_if->sub_block_index = 0;
strcpy(adev->nbio.ras_if->name, "pcie_bif");
}
ih_info.head = fs_info.head = *adev->nbio.ras_if;
r = amdgpu_ras_late_init(adev, adev->nbio.ras_if,
&fs_info, &ih_info);
if (r)
goto free;
if (amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
r = amdgpu_irq_get(adev, &adev->nbio.ras_controller_irq, 0);
if (r)
goto late_fini;
r = amdgpu_irq_get(adev, &adev->nbio.ras_err_event_athub_irq, 0);
if (r)
goto late_fini;
}
return 0;
late_fini:
amdgpu_ras_late_fini(adev, adev->nbio.ras_if, &ih_info);
free:
kfree(adev->nbio.ras_if);
return r;
}
const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset,
.get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset,
@ -493,4 +537,5 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
.init_ras_controller_interrupt = nbio_v7_4_init_ras_controller_interrupt,
.init_ras_err_event_athub_interrupt = nbio_v7_4_init_ras_err_event_athub_interrupt,
.ras_late_init = nbio_v7_4_ras_late_init,
};