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drm/amdgpu/pm: Fix the power source flag error

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commit ca1ffb174f16b699c536734fc12a4162097c49f4 upstream.

The power source flag should be updated when
[1] System receives an interrupt indicating that the power source
has changed.
[2] System resumes from suspend or runtime suspend

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ma Jun 2024-01-17 14:35:29 +08:00 committed by Greg Kroah-Hartman
parent b4cbd01832
commit 471ab2e8b7
3 changed files with 7 additions and 10 deletions
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13
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@ -24,6 +24,7 @@
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/power_supply.h>
#include <linux/reboot.h>
#include "amdgpu.h"
@ -731,16 +732,8 @@ static int smu_late_init(void *handle)
* handle the switch automatically. Driver involvement
* is unnecessary.
*/
if (!smu->dc_controlled_by_gpio) {
ret = smu_set_power_source(smu,
adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
SMU_POWER_SOURCE_DC);
if (ret) {
dev_err(adev->dev, "Failed to switch to %s mode!\n",
adev->pm.ac_power ? "AC" : "DC");
return ret;
}
}
adev->pm.ac_power = power_supply_is_system_supplied() > 0;
smu_set_ac_dc(smu);
if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) ||
(adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3)))

2
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
View File

@ -1467,10 +1467,12 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev,
case 0x3:
dev_dbg(adev->dev, "Switched to AC mode!\n");
schedule_work(&smu->interrupt_work);
adev->pm.ac_power = true;
break;
case 0x4:
dev_dbg(adev->dev, "Switched to DC mode!\n");
schedule_work(&smu->interrupt_work);
adev->pm.ac_power = false;
break;
case 0x7:
/*

2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
View File

@ -1415,10 +1415,12 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev,
case 0x3:
dev_dbg(adev->dev, "Switched to AC mode!\n");
smu_v13_0_ack_ac_dc_interrupt(smu);
adev->pm.ac_power = true;
break;
case 0x4:
dev_dbg(adev->dev, "Switched to DC mode!\n");
smu_v13_0_ack_ac_dc_interrupt(smu);
adev->pm.ac_power = false;
break;
case 0x7:
/*