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drm/amdgpu/pm/swsmu: implement pause workload profile 

Add the callback for implementation for swsmu.

Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 92e511d1ce)
pull/1199/head
Alex Deucher 2025-03-26 10:54:56 -04:00
parent 7f991dd364
commit c81a3ceedb
2 changed files with 36 additions and 1 deletions
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36
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@ -2398,7 +2398,11 @@ static int smu_switch_power_profile(void *handle,
smu_power_profile_mode_get(smu, type);
else
smu_power_profile_mode_put(smu, type);
ret = smu_bump_power_profile_mode(smu, NULL, 0);
/* don't switch the active workload when paused */
if (smu->pause_workload)
ret = 0;
else
ret = smu_bump_power_profile_mode(smu, NULL, 0);
if (ret) {
if (enable)
smu_power_profile_mode_put(smu, type);
@ -2411,6 +2415,35 @@ static int smu_switch_power_profile(void *handle,
return 0;
}
static int smu_pause_power_profile(void *handle,
bool pause)
{
struct smu_context *smu = handle;
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
u32 workload_mask = 1 << PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
int ret;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
return -EOPNOTSUPP;
if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) {
smu->pause_workload = pause;
/* force to bootup default profile */
if (smu->pause_workload && smu->ppt_funcs->set_power_profile_mode)
ret = smu->ppt_funcs->set_power_profile_mode(smu,
workload_mask,
NULL,
0);
else
ret = smu_bump_power_profile_mode(smu, NULL, 0);
return ret;
}
return 0;
}
static enum amd_dpm_forced_level smu_get_performance_level(void *handle)
{
struct smu_context *smu = handle;
@ -3733,6 +3766,7 @@ static const struct amd_pm_funcs swsmu_pm_funcs = {
.get_pp_table = smu_sys_get_pp_table,
.set_pp_table = smu_sys_set_pp_table,
.switch_power_profile = smu_switch_power_profile,
.pause_power_profile = smu_pause_power_profile,
/* export to amdgpu */
.dispatch_tasks = smu_handle_dpm_task,
.load_firmware = smu_load_microcode,

1
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
View File

@ -558,6 +558,7 @@ struct smu_context {
/* asic agnostic workload mask */
uint32_t workload_mask;
bool pause_workload;
/* default/user workload preference */
uint32_t power_profile_mode;
uint32_t workload_refcount[PP_SMC_POWER_PROFILE_COUNT];