Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> 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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