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

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commit 955558030954b9637b41c97b730f9b38c92ac488 upstream.

This reverts commit e490d60a2f.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher
2023-08-09 15:06:00 -04:00
committed by Greg Kroah-Hartman
parent 444d70889d
commit 2e443ed55f
1 changed files with 29 additions and 0 deletions
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29
drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
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@@ -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;
}