From: Monk Liu <Monk.Liu@amd.com>
Date: Mon, 16 Oct 2017 19:50:44 +0800
Subject: drm/amdgpu:fix vf_error_put
Git-commit: 6867e1b5fbd1a9deaf95a1bd23ea930063c8d216
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
1,it should not work on non-SR-IOV case
2,the NO_VBIOS error is incorrect, should
handle it under detect_sriov_bios.
3,wrap the whole detect_sriov_bios with sriov check
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 21 +++++++++++----------
drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c | 7 ++++++-
2 files changed, 17 insertions(+), 11 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2032,12 +2032,17 @@ static int amdgpu_resume(struct amdgpu_d
static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev)
{
- if (adev->is_atom_fw) {
- if (amdgpu_atomfirmware_gpu_supports_virtualization(adev))
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
- } else {
- if (amdgpu_atombios_has_gpu_virtualization_table(adev))
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
+ if (amdgpu_sriov_vf(adev)) {
+ if (adev->is_atom_fw) {
+ if (amdgpu_atomfirmware_gpu_supports_virtualization(adev))
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
+ } else {
+ if (amdgpu_atombios_has_gpu_virtualization_table(adev))
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
+ }
+
+ if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS))
+ amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0);
}
}
@@ -2207,7 +2212,6 @@ int amdgpu_device_init(struct amdgpu_dev
if (amdgpu_need_post(adev)) {
if (!adev->bios) {
dev_err(adev->dev, "no vBIOS found\n");
- amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0);
r = -EINVAL;
goto failed;
}
@@ -2215,7 +2219,6 @@ int amdgpu_device_init(struct amdgpu_dev
r = amdgpu_atom_asic_init(adev->mode_info.atom_context);
if (r) {
dev_err(adev->dev, "gpu post error!\n");
- amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_POST_ERROR, 0, 0);
goto failed;
}
} else {
@@ -3019,7 +3022,6 @@ out:
}
} else {
dev_err(adev->dev, "asic resume failed (%d).\n", r);
- amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ASIC_RESUME_FAIL, 0, r);
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
if (adev->rings[i] && adev->rings[i]->sched.thread) {
kthread_unpark(adev->rings[i]->sched.thread);
@@ -3033,7 +3035,6 @@ out:
if (r) {
/* bad news, how to tell it to userspace ? */
dev_info(adev->dev, "GPU reset failed\n");
- amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r);
}
else {
dev_info(adev->dev, "GPU reset successed!\n");
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vf_error.c
@@ -31,7 +31,12 @@ void amdgpu_vf_error_put(struct amdgpu_d
uint64_t error_data)
{
int index;
- uint16_t error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code);
+ uint16_t error_code;
+
+ if (!amdgpu_sriov_vf(adev))
+ return;
+
+ error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code);
mutex_lock(&adev->virt.vf_errors.lock);
index = adev->virt.vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE;