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authorAlex Deucher <alexander.deucher@amd.com>2024-08-22 21:54:24 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-08-28 10:03:03 -0400
commitd420c857d85777663e8d16adfc24463f5d5c2dbc (patch)
treece5c379c893c7b34b7afb40588a2288e1444f03b /drivers/gpu
parent948f279dc48a6db17204f9b23f76b67abcd5d702 (diff)
downloadlwn-d420c857d85777663e8d16adfc24463f5d5c2dbc.tar.gz
lwn-d420c857d85777663e8d16adfc24463f5d5c2dbc.zip
drm/amdgpu/swsmu: always force a state reprogram on init
Always reprogram the hardware state on init. This ensures the PMFW state is explicitly programmed and we are not relying on the default PMFW state. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3131 Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit c50fe289ed7207f71df3b5f1720512a9620e84fb) Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index bc83cd89f8a0..74e35f8ddefc 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2224,8 +2224,9 @@ static int smu_bump_power_profile_mode(struct smu_context *smu,
}
static int smu_adjust_power_state_dynamic(struct smu_context *smu,
- enum amd_dpm_forced_level level,
- bool skip_display_settings)
+ enum amd_dpm_forced_level level,
+ bool skip_display_settings,
+ bool force_update)
{
int ret = 0;
int index = 0;
@@ -2254,7 +2255,7 @@ static int smu_adjust_power_state_dynamic(struct smu_context *smu,
}
}
- if (smu_dpm_ctx->dpm_level != level) {
+ if (force_update || smu_dpm_ctx->dpm_level != level) {
ret = smu_asic_set_performance_level(smu, level);
if (ret) {
dev_err(smu->adev->dev, "Failed to set performance level!");
@@ -2270,7 +2271,7 @@ static int smu_adjust_power_state_dynamic(struct smu_context *smu,
index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
workload[0] = smu->workload_setting[index];
- if (smu->power_profile_mode != workload[0])
+ if (force_update || smu->power_profile_mode != workload[0])
smu_bump_power_profile_mode(smu, workload, 0);
}
@@ -2291,11 +2292,13 @@ static int smu_handle_task(struct smu_context *smu,
ret = smu_pre_display_config_changed(smu);
if (ret)
return ret;
- ret = smu_adjust_power_state_dynamic(smu, level, false);
+ ret = smu_adjust_power_state_dynamic(smu, level, false, false);
break;
case AMD_PP_TASK_COMPLETE_INIT:
+ ret = smu_adjust_power_state_dynamic(smu, level, true, true);
+ break;
case AMD_PP_TASK_READJUST_POWER_STATE:
- ret = smu_adjust_power_state_dynamic(smu, level, true);
+ ret = smu_adjust_power_state_dynamic(smu, level, true, false);
break;
default:
break;