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drm/amd/powerplay: add register thermal interrupt in hwmgr_hw_init

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Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2017-09-15 16:38:49 -04:00 committed by Alex Deucher
parent 4d1f9fb721
commit 2a5b64c9fc
2 changed files with 80 additions and 1 deletions
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75
drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
View File

@ -26,8 +26,8 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <drm/amdgpu_drm.h>
#include "cgs_common.h"
#include "power_state.h"
#include "hwmgr.h"
#include "pppcielanes.h"
@ -51,6 +51,75 @@ uint8_t convert_to_vid(uint16_t vddc)
return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
}
static int phm_get_pci_bus_devfn(struct pp_hwmgr *hwmgr,
struct cgs_system_info *sys_info)
{
sys_info->size = sizeof(struct cgs_system_info);
sys_info->info_id = CGS_SYSTEM_INFO_PCIE_BUS_DEVFN;
return cgs_query_system_info(hwmgr->device, sys_info);
}
static int phm_thermal_l2h_irq(void *private_data,
unsigned src_id, const uint32_t *iv_entry)
{
struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
struct cgs_system_info sys_info = {0};
int result;
result = phm_get_pci_bus_devfn(hwmgr, &sys_info);
if (result)
return -EINVAL;
pr_warn("GPU over temperature range detected on PCIe %lld:%lld.%lld!\n",
PCI_BUS_NUM(sys_info.value),
PCI_SLOT(sys_info.value),
PCI_FUNC(sys_info.value));
return 0;
}
static int phm_thermal_h2l_irq(void *private_data,
unsigned src_id, const uint32_t *iv_entry)
{
struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
struct cgs_system_info sys_info = {0};
int result;
result = phm_get_pci_bus_devfn(hwmgr, &sys_info);
if (result)
return -EINVAL;
pr_warn("GPU under temperature range detected on PCIe %lld:%lld.%lld!\n",
PCI_BUS_NUM(sys_info.value),
PCI_SLOT(sys_info.value),
PCI_FUNC(sys_info.value));
return 0;
}
static int phm_ctf_irq(void *private_data,
unsigned src_id, const uint32_t *iv_entry)
{
struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
struct cgs_system_info sys_info = {0};
int result;
result = phm_get_pci_bus_devfn(hwmgr, &sys_info);
if (result)
return -EINVAL;
pr_warn("GPU Critical Temperature Fault detected on PCIe %lld:%lld.%lld!\n",
PCI_BUS_NUM(sys_info.value),
PCI_SLOT(sys_info.value),
PCI_FUNC(sys_info.value));
return 0;
}
static const struct cgs_irq_src_funcs thermal_irq_src[3] = {
{NULL, phm_thermal_l2h_irq},
{NULL, phm_thermal_h2l_irq},
{NULL, phm_ctf_irq}
};
int hwmgr_early_init(struct pp_instance *handle)
{
struct pp_hwmgr *hwmgr;
@ -179,6 +248,10 @@ int hwmgr_hw_init(struct pp_instance *handle)
if (ret)
goto err2;
ret = phm_register_thermal_interrupt(hwmgr, &thermal_irq_src);
if (ret)
goto err2;
return 0;
err2:
if (hwmgr->hwmgr_func->backend_fini)

6
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
View File

@ -32,6 +32,7 @@
#include "ppatomctrl.h"
#include "hwmgr_ppt.h"
#include "power_state.h"
#include "cgs_linux.h"
struct pp_instance;
struct pp_hwmgr;
@ -746,6 +747,11 @@ struct pp_hwmgr {
bool en_umd_pstate;
};
struct cgs_irq_src_funcs {
cgs_irq_source_set_func_t set;
cgs_irq_handler_func_t handler;
};
extern int hwmgr_early_init(struct pp_instance *handle);
extern int hwmgr_hw_init(struct pp_instance *handle);
extern int hwmgr_hw_fini(struct pp_instance *handle);