[PATCH] drm/amdgpu: Get real power source to initizlize ac_power

[Deucher, Alexander]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Rex Zhu <Rex.Zhu at amd.com>
Sent: Monday, June 4, 2018 6:32:14 AM
To: amd-gfx at lists.freedesktop.org
Cc: Zhu, Rex
Subject: [PATCH] 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.

Signed-off-by: Rex Zhu <Rex.Zhu at 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 57a4f39..7a085f6 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>
@@ -2281,6 +2282,8 @@ 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) {
--
1.9.1

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