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authorAlex Deucher <alexander.deucher@amd.com>2025-03-26 10:54:56 -0400
committerAlex Deucher <alexander.deucher@amd.com>2025-04-09 10:53:11 -0400
commitc81a3ceedb1c2ee623bf594594fa3a228ac04a8c (patch)
tree7eb19836ac5b33a6347efc0226bcdb765cb898a4 /drivers/gpu
parent7f991dd3641ef52e0a25b43f27cc61440c4bdcb4 (diff)
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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 92e511d1cecc6a8fa7bdfc8657f16ece9ab4d456)
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c36
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h1
2 files changed, 36 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 033c3229b555..46cce1d2aaf3 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -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,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 3ba169639f54..dd6d0e7aa242 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -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];