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drm/amdgpu: correct the amdgpu runtime dereference usage count

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[ Upstream commit c6df7f3137 ]

Fix the amdgpu runpm dereference usage count.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Prike Liang 2023-11-08 14:38:29 +08:00 committed by Greg Kroah-Hartman
parent 091c77c287
commit f7a0cab502
1 changed files with 3 additions and 6 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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@ -296,14 +296,11 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
adev->have_disp_power_ref = true;
return ret;
}
/* if we have no active crtcs, then drop the power ref
* we got before
/* if we have no active crtcs, then go to
* drop the power ref we got before
*/
if (!active && adev->have_disp_power_ref) {
pm_runtime_put_autosuspend(dev->dev);
if (!active && adev->have_disp_power_ref)
adev->have_disp_power_ref = false;
}
out:
/* drop the power reference we got coming in here */
pm_runtime_put_autosuspend(dev->dev);