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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 95d4f43a03df..e7f06bd0f0cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -563,24 +563,38 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
mutex_lock(&adev->gfx.gfx_off_mutex);
- if (!enable)
- adev->gfx.gfx_off_req_count++;
- else if (adev->gfx.gfx_off_req_count > 0)
+ if (enable) {
+ /* If the count is already 0, it means there's an imbalance bug somewhere.
+ * Note that the bug may be in a different caller than the one which triggers the
+ * WARN_ON_ONCE.
+ */
+ if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
+ goto unlock;
+
adev->gfx.gfx_off_req_count--;
- if (enable && !adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) {
- schedule_delayed_work(&adev->gfx.gfx_off_delay_work, GFX_OFF_DELAY_ENABLE);
- } else if (!enable && adev->gfx.gfx_off_state) {
- if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
- adev->gfx.gfx_off_state = false;
+ if (adev->gfx.gfx_off_req_count == 0 && !adev->gfx.gfx_off_state)
+ schedule_delayed_work(&adev->gfx.gfx_off_delay_work, GFX_OFF_DELAY_ENABLE);
+ } else {
+ if (adev->gfx.gfx_off_req_count == 0) {
+ cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
+
+ if (adev->gfx.gfx_off_state &&
+ !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
+ adev->gfx.gfx_off_state = false;
- if (adev->gfx.funcs->init_spm_golden) {
- dev_dbg(adev->dev, "GFXOFF is disabled, re-init SPM golden settings\n");
- amdgpu_gfx_init_spm_golden(adev);
+ if (adev->gfx.funcs->init_spm_golden) {
+ dev_dbg(adev->dev,
+ "GFXOFF is disabled, re-init SPM golden settings\n");
+ amdgpu_gfx_init_spm_golden(adev);
+ }
}
}
+
+ adev->gfx.gfx_off_req_count++;
}
+unlock:
mutex_unlock(&adev->gfx.gfx_off_mutex);
}
@@ -607,7 +621,6 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev)
struct ras_ih_if ih_info = {
.cb = amdgpu_gfx_process_ras_data_cb,
};
- struct ras_query_if info = { 0 };
if (!adev->gfx.ras_if) {
adev->gfx.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
@@ -616,7 +629,6 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev)
adev->gfx.ras_if->block = AMDGPU_RAS_BLOCK__GFX;
adev->gfx.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->gfx.ras_if->sub_block_index = 0;
- strcpy(adev->gfx.ras_if->name, "gfx");
}
fs_info.head = ih_info.head = *adev->gfx.ras_if;
r = amdgpu_ras_late_init(adev, adev->gfx.ras_if,
@@ -625,12 +637,8 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev)
goto free;
if (amdgpu_ras_is_supported(adev, adev->gfx.ras_if->block)) {
- if (adev->gmc.xgmi.connected_to_cpu) {
- info.head = *adev->gfx.ras_if;
- amdgpu_ras_query_error_status(adev, &info);
- } else {
+ if (!amdgpu_persistent_edc_harvesting_supported(adev))
amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
- }
r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
if (r)