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authorGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
committerGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
parentusb: gadget: u_serial: Implement remote wakeup capability (diff)
parentLinux 6.15-rc4 (diff)
downloadkernel-615dca38c2eae55aff80050275931c87a812b48c.tar.gz
kernel-615dca38c2eae55aff80050275931c87a812b48c.zip
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c36
1 files changed, 35 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,