drm/amd/powerplay: shutdown on HW CTF

To prevent further damage.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
index 782f6d2..4279f95 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
@@ -612,11 +612,17 @@ int phm_irq_process(struct amdgpu_device *adev,
                                        PCI_BUS_NUM(adev->pdev->devfn),
                                        PCI_SLOT(adev->pdev->devfn),
                                        PCI_FUNC(adev->pdev->devfn));
-               else if (src_id == VISLANDS30_IV_SRCID_GPIO_19)
+               else if (src_id == VISLANDS30_IV_SRCID_GPIO_19) {
                        pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
                                        PCI_BUS_NUM(adev->pdev->devfn),
                                        PCI_SLOT(adev->pdev->devfn),
                                        PCI_FUNC(adev->pdev->devfn));
+                       /*
+                        * HW CTF just occurred. Shutdown to prevent further damage.
+                        */
+                       dev_emerg(adev->dev, "System is going to shutdown due to HW CTF!\n");
+                       orderly_poweroff(true);
+               }
        } else if (client_id == SOC15_IH_CLIENTID_THM) {
                if (src_id == 0) {
                        pr_warn("GPU over temperature range detected on PCIe %d:%d.%d!\n",
@@ -634,11 +640,17 @@ int phm_irq_process(struct amdgpu_device *adev,
                                        PCI_BUS_NUM(adev->pdev->devfn),
                                        PCI_SLOT(adev->pdev->devfn),
                                        PCI_FUNC(adev->pdev->devfn));
-       } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO)
+       } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO) {
                pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
                                PCI_BUS_NUM(adev->pdev->devfn),
                                PCI_SLOT(adev->pdev->devfn),
                                PCI_FUNC(adev->pdev->devfn));
+               /*
+                * HW CTF just occurred. Shutdown to prevent further damage.
+                */
+               dev_emerg(adev->dev, "System is going to shutdown due to HW CTF!\n");
+               orderly_poweroff(true);
+       }
 
        return 0;
 }

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index d1fe762..3979973 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1548,6 +1548,8 @@ static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu)
 #define THM_11_0__SRCID__THM_DIG_THERM_L2H             0               /* ASIC_TEMP > CG_THERMAL_INT.DIG_THERM_INTH  */
 #define THM_11_0__SRCID__THM_DIG_THERM_H2L             1               /* ASIC_TEMP < CG_THERMAL_INT.DIG_THERM_INTL  */
 
+#define SMUIO_11_0__SRCID__SMUIO_GPIO19                        83
+
 static int smu_v11_0_irq_process(struct amdgpu_device *adev,
                                 struct amdgpu_irq_src *source,
                                 struct amdgpu_iv_entry *entry)
@@ -1582,8 +1584,17 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev,
                                PCI_SLOT(adev->pdev->devfn),
                                PCI_FUNC(adev->pdev->devfn));
                break;
-
                }
+       } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO) {
+               pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
+                               PCI_BUS_NUM(adev->pdev->devfn),
+                               PCI_SLOT(adev->pdev->devfn),
+                               PCI_FUNC(adev->pdev->devfn));
+               /*
+                * HW CTF just occurred. Shutdown to prevent further damage.
+                */
+               dev_emerg(adev->dev, "System is going to shutdown due to HW CTF!\n");
+               orderly_poweroff(true);
        } else if (client_id == SOC15_IH_CLIENTID_MP1) {
                if (src_id == 0xfe)
                        smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
@@ -1626,6 +1637,13 @@ int smu_v11_0_register_irq_handler(struct smu_context *smu)
        if (ret)
                return ret;
 
+       /* Register CTF(GPIO_19) interrupt */
+       ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_ROM_SMUIO,
+                               SMUIO_11_0__SRCID__SMUIO_GPIO19,
+                               irq_src);
+       if (ret)
+               return ret;
+
        ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_MP1,
                                0xfe,
                                irq_src);