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From 7bac726cbf64d5dcea4cb03d9fbe161c30766abb Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 4 Jun 2018 18:26:18 +0800
Subject: [PATCH 4729/5725] drm/amdgpu: Get real power source to initizlize
ac_power
driver need to know the real power source to do some power
related configuration when initialize.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3d23d8b..a847b42 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -25,6 +25,7 @@
* Alex Deucher
* Jerome Glisse
*/
+#include <linux/power_supply.h>
#include <linux/kthread.h>
#include <linux/console.h>
#include <linux/slab.h>
@@ -2350,6 +2351,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
INIT_DELAYED_WORK(&adev->late_init_work,
amdgpu_device_ip_late_init_func_handler);
+ adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false;
+
/* Registers mapping */
/* TODO: block userspace mapping of io register */
if (adev->asic_type >= CHIP_BONAIRE) {
--
2.7.4
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