]> Git Repo - linux.git/commitdiff
drm/amd/pm: fix the high voltage and temperature issue
authorKenneth Feng <[email protected]>
Wed, 25 Oct 2023 03:20:38 +0000 (11:20 +0800)
committerAlex Deucher <[email protected]>
Tue, 31 Oct 2023 20:40:16 +0000 (16:40 -0400)
fix the high voltage and temperature issue after the driver is unloaded on smu 13.0.0,
smu 13.0.7 and smu 13.0.10
v2 - fix the code format and make sure it is used on the unload case only.

Signed-off-by: Kenneth Feng <[email protected]>
Reviewed-by: Yang Wang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

index bd940cb9322e8589330b1a5fc9052e9bddcff324..436bd845557310447d1960fe101ae57b4e9e5c13 100644 (file)
@@ -3962,13 +3962,23 @@ int amdgpu_device_init(struct amdgpu_device *adev,
                                }
                        }
                } else {
-                       tmp = amdgpu_reset_method;
-                       /* It should do a default reset when loading or reloading the driver,
-                        * regardless of the module parameter reset_method.
-                        */
-                       amdgpu_reset_method = AMD_RESET_METHOD_NONE;
-                       r = amdgpu_asic_reset(adev);
-                       amdgpu_reset_method = tmp;
+                       switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
+                       case IP_VERSION(13, 0, 0):
+                       case IP_VERSION(13, 0, 7):
+                       case IP_VERSION(13, 0, 10):
+                               r = psp_gpu_reset(adev);
+                               break;
+                       default:
+                               tmp = amdgpu_reset_method;
+                               /* It should do a default reset when loading or reloading the driver,
+                                * regardless of the module parameter reset_method.
+                                */
+                               amdgpu_reset_method = AMD_RESET_METHOD_NONE;
+                               r = amdgpu_asic_reset(adev);
+                               amdgpu_reset_method = tmp;
+                               break;
+                       }
+
                        if (r) {
                                dev_err(adev->dev, "asic reset on init failed\n");
                                goto failed;
index 9f86c1fecbb133667c4c02af93a1854177d56c5e..23b00eddc1af2c953cd6f617963a71c73c5f4521 100644 (file)
@@ -733,7 +733,7 @@ static int smu_early_init(void *handle)
        smu->adev = adev;
        smu->pm_enabled = !!amdgpu_dpm;
        smu->is_apu = false;
-       smu->smu_baco.state = SMU_BACO_STATE_EXIT;
+       smu->smu_baco.state = SMU_BACO_STATE_NONE;
        smu->smu_baco.platform_support = false;
        smu->user_dpm_profile.fan_mode = -1;
 
@@ -1742,10 +1742,31 @@ static int smu_smc_hw_cleanup(struct smu_context *smu)
        return 0;
 }
 
+static int smu_reset_mp1_state(struct smu_context *smu)
+{
+       struct amdgpu_device *adev = smu->adev;
+       int ret = 0;
+
+       if ((!adev->in_runpm) && (!adev->in_suspend) &&
+               (!amdgpu_in_reset(adev)))
+               switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
+               case IP_VERSION(13, 0, 0):
+               case IP_VERSION(13, 0, 7):
+               case IP_VERSION(13, 0, 10):
+                       ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD);
+                       break;
+               default:
+                       break;
+               }
+
+       return ret;
+}
+
 static int smu_hw_fini(void *handle)
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct smu_context *smu = adev->powerplay.pp_handle;
+       int ret;
 
        if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
                return 0;
@@ -1763,7 +1784,15 @@ static int smu_hw_fini(void *handle)
 
        adev->pm.dpm_enabled = false;
 
-       return smu_smc_hw_cleanup(smu);
+       ret = smu_smc_hw_cleanup(smu);
+       if (ret)
+               return ret;
+
+       ret = smu_reset_mp1_state(smu);
+       if (ret)
+               return ret;
+
+       return 0;
 }
 
 static void smu_late_fini(void *handle)
index 839553a86aa226064eba3041a185128bed1b6cfd..8def291b18bcdaa3db86ec4ef2545f154f70c098 100644 (file)
@@ -419,6 +419,7 @@ enum smu_reset_mode {
 enum smu_baco_state {
        SMU_BACO_STATE_ENTER = 0,
        SMU_BACO_STATE_EXIT,
+       SMU_BACO_STATE_NONE,
 };
 
 struct smu_baco_context {
index cc02f979e9e9843e10d2fd0ca3c6764cb2cdf91f..95cb919718aebe0ad57f73b3577d6beac4facaf9 100644 (file)
@@ -299,5 +299,7 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
                                     uint8_t pcie_gen_cap,
                                     uint8_t pcie_width_cap);
 
+int smu_v13_0_disable_pmfw_state(struct smu_context *smu);
+
 #endif
 #endif
index a49e5adf7cc3d7f2c7ed045a7cfc6947318a39d0..cf1b84060bc3da46c12ace3b878b03144288afd1 100644 (file)
@@ -2477,3 +2477,16 @@ int smu_v13_0_update_pcie_parameters(struct smu_context *smu,
 
        return 0;
 }
+
+int smu_v13_0_disable_pmfw_state(struct smu_context *smu)
+{
+       int ret;
+       struct amdgpu_device *adev = smu->adev;
+
+       WREG32_PCIE(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff), 0);
+
+       ret = RREG32_PCIE(MP1_Public |
+                                          (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
+
+       return ret == 0 ? 0 : -EINVAL;
+}
index 34bd99b0e137af6b533a0f47c66f8a8b45f16a8d..997934bc12cff6b78279c1e83992a4aa15c35807 100644 (file)
@@ -2602,14 +2602,20 @@ static int smu_v13_0_0_baco_enter(struct smu_context *smu)
 static int smu_v13_0_0_baco_exit(struct smu_context *smu)
 {
        struct amdgpu_device *adev = smu->adev;
+       int ret;
 
        if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
                /* Wait for PMFW handling for the Dstate change */
                usleep_range(10000, 11000);
-               return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+               ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
        } else {
-               return smu_v13_0_baco_exit(smu);
+               ret = smu_v13_0_baco_exit(smu);
        }
+
+       if (!ret)
+               adev->gfx.is_poweron = false;
+
+       return ret;
 }
 
 static bool smu_v13_0_0_is_mode1_reset_supported(struct smu_context *smu)
@@ -2794,7 +2800,13 @@ static int smu_v13_0_0_set_mp1_state(struct smu_context *smu,
 
        switch (mp1_state) {
        case PP_MP1_STATE_UNLOAD:
-               ret = smu_cmn_set_mp1_state(smu, mp1_state);
+               ret = smu_cmn_send_smc_msg_with_param(smu,
+                                                                                         SMU_MSG_PrepareMp1ForUnload,
+                                                                                         0x55, NULL);
+
+               if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
+                       ret = smu_v13_0_disable_pmfw_state(smu);
+
                break;
        default:
                /* Ignore others */
index ac0e1cc812bdeb43a40c869f1f51aadbf917b210..692780ef21d0fa7961914115f03cdf7e6408d276 100644 (file)
@@ -2498,7 +2498,13 @@ static int smu_v13_0_7_set_mp1_state(struct smu_context *smu,
 
        switch (mp1_state) {
        case PP_MP1_STATE_UNLOAD:
-               ret = smu_cmn_set_mp1_state(smu, mp1_state);
+               ret = smu_cmn_send_smc_msg_with_param(smu,
+                                                                                         SMU_MSG_PrepareMp1ForUnload,
+                                                                                         0x55, NULL);
+
+               if (!ret && smu->smu_baco.state == SMU_BACO_STATE_EXIT)
+                       ret = smu_v13_0_disable_pmfw_state(smu);
+
                break;
        default:
                /* Ignore others */
@@ -2524,14 +2530,20 @@ static int smu_v13_0_7_baco_enter(struct smu_context *smu)
 static int smu_v13_0_7_baco_exit(struct smu_context *smu)
 {
        struct amdgpu_device *adev = smu->adev;
+       int ret;
 
        if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) {
                /* Wait for PMFW handling for the Dstate change */
                usleep_range(10000, 11000);
-               return smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
+               ret = smu_v13_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS);
        } else {
-               return smu_v13_0_baco_exit(smu);
+               ret = smu_v13_0_baco_exit(smu);
        }
+
+       if (!ret)
+               adev->gfx.is_poweron = false;
+
+       return ret;
 }
 
 static bool smu_v13_0_7_is_mode1_reset_supported(struct smu_context *smu)
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