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drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled

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commit e55a3aea41 upstream.

dGPUs connected to Intel systems configured for suspend to idle
will not have the power rails cut at suspend and resetting the GPU
may lead to problematic behaviors.

Fixes: e25443d276 ("drm/amdgpu: add a dev_pm_ops prepare callback (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1879
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mario Limonciello
2022-01-25 21:46:58 -06:00
committed by Greg Kroah-Hartman
parent 5cba71707f
commit 8a15ac1786
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -1504,8 +1504,7 @@ static int amdgpu_pmops_prepare(struct device *dev)
* DPM_FLAG_SMART_SUSPEND works properly
*/
if (amdgpu_device_supports_boco(drm_dev))
return pm_runtime_suspended(dev) &&
pm_suspend_via_firmware();
return pm_runtime_suspended(dev);
return 0;
}