From baac292852c0e347626fb5436916947188e5838f Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 9 Aug 2023 15:06:00 -0400 Subject: [PATCH] Revert "drm/amd/pm: resolve reboot exception for si oland" commit 955558030954b9637b41c97b730f9b38c92ac488 upstream. This reverts commit e490d60a2f76bff636c68ce4fe34c1b6c34bbd86. This causes hangs on SI when DC is enabled and errors on driver reboot and power off cycles. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3216 Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2755 Reviewed-by: Yang Wang Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c index f81e4bd48110..99dde52a4290 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c @@ -6925,6 +6925,23 @@ static int si_dpm_enable(struct amdgpu_device *adev) return 0; } +static int si_set_temperature_range(struct amdgpu_device *adev) +{ + int ret; + + ret = si_thermal_enable_alert(adev, false); + if (ret) + return ret; + ret = si_thermal_set_temperature_range(adev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX); + if (ret) + return ret; + ret = si_thermal_enable_alert(adev, true); + if (ret) + return ret; + + return ret; +} + static void si_dpm_disable(struct amdgpu_device *adev) { struct rv7xx_power_info *pi = rv770_get_pi(adev); @@ -7608,6 +7625,18 @@ static int si_dpm_process_interrupt(struct amdgpu_device *adev, static int si_dpm_late_init(void *handle) { + int ret; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (!adev->pm.dpm_enabled) + return 0; + + ret = si_set_temperature_range(adev); + if (ret) + return ret; +#if 0 //TODO ? + si_dpm_powergate_uvd(adev, true); +#endif return 0; }