diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 7474d3ffab93..6dcafd04c98d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -122,6 +122,7 @@ static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COU MSG_MAP(GetMaxGfxclkFrequency, PPSMC_MSG_GetMaxGfxDpmFreq, 0), MSG_MAP(SetSoftMinGfxclk, PPSMC_MSG_SetSoftMinGfxClk, 0), MSG_MAP(SetSoftMaxGfxClk, PPSMC_MSG_SetSoftMaxGfxClk, 0), + MSG_MAP(PrepareMp1ForUnload, PPSMC_MSG_PrepareForDriverUnload, 0), }; static const struct cmn2asic_mapping smu_v13_0_6_clk_map[SMU_CLK_COUNT] = { @@ -1385,14 +1386,34 @@ int smu_v13_0_6_register_irq_handler(struct smu_context *smu) return ret; } +static int smu_v13_0_6_notify_unload(struct smu_context *smu) +{ + uint32_t smu_version; + + smu_cmn_get_smc_version(smu, NULL, &smu_version); + if (smu_version <= 0x553500) + return 0; + + dev_dbg(smu->adev->dev, "Notify PMFW about driver unload"); + /* Ignore return, just intimate FW that driver is not going to be there */ + smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL); + + return 0; +} + static int smu_v13_0_6_system_features_control(struct smu_context *smu, bool enable) { + struct amdgpu_device *adev = smu->adev; int ret; - /* Nothing to be done for APU */ - if (smu->adev->flags & AMD_IS_APU) + /* On APUs, notify FW that the device is no longer driver managed */ + if (adev->flags & AMD_IS_APU) { + if (!enable) + smu_v13_0_6_notify_unload(smu); + return 0; + } ret = smu_v13_0_system_features_control(smu, enable); |