diff options
author | Hawking Zhang <Hawking.Zhang@amd.com> | 2019-08-29 15:57:32 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-14 01:11:05 +0300 |
commit | 9ad1dc295b39ac725b56f7fdfeffd09de5a6dbce (patch) | |
tree | f77b88a3ea19cd1cf23ba6e09cd30de7f756c1d9 /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | |
parent | dda79907a77bc6bb34412762925ff1d6d3e2a67a (diff) | |
download | linux-9ad1dc295b39ac725b56f7fdfeffd09de5a6dbce.tar.xz |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index faf9300630a5..5e784bbd2d7f 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -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, }; |