Revert "drm/amd/pm: resolve reboot exception for si oland"

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 <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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 df4f20293c16a368748cd4138c0912906f80acc7..eb4da3666e05d6d145a927258d7ea247425dad93 100644 (file)
--- 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;
 }