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drm/amdgpu/pm: move additional logic into amdgpu_dpm_force_performance_level

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This is part of the forced performance level.  Move it from
the sysfs handler into amdgpu_dpm_force_performance_level.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-01-07 18:14:22 -05:00
parent bcf19fdd50
commit 54c73b51df
2 changed files with 59 additions and 52 deletions
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61
drivers/gpu/drm/amd/pm/amdgpu_dpm.c
View File

@ -692,16 +692,25 @@ void amdgpu_dpm_set_power_state(struct amdgpu_device *adev,
amdgpu_dpm_compute_clocks(adev);
}
enum amd_dpm_forced_level amdgpu_dpm_get_performance_level(struct amdgpu_device *adev)
static enum amd_dpm_forced_level amdgpu_dpm_get_performance_level_locked(struct amdgpu_device *adev)
{
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
enum amd_dpm_forced_level level;
mutex_lock(&adev->pm.mutex);
if (pp_funcs->get_performance_level)
level = pp_funcs->get_performance_level(adev->powerplay.pp_handle);
else
level = adev->pm.dpm.forced_level;
return level;
}
enum amd_dpm_forced_level amdgpu_dpm_get_performance_level(struct amdgpu_device *adev)
{
enum amd_dpm_forced_level level;
mutex_lock(&adev->pm.mutex);
level = amdgpu_dpm_get_performance_level_locked(adev);
mutex_unlock(&adev->pm.mutex);
return level;
@ -711,6 +720,11 @@ int amdgpu_dpm_force_performance_level(struct amdgpu_device *adev,
enum amd_dpm_forced_level level)
{
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
enum amd_dpm_forced_level current_level;
uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
int ret = 0;
if (!pp_funcs->force_performance_level)
@ -723,6 +737,49 @@ int amdgpu_dpm_force_performance_level(struct amdgpu_device *adev,
goto out;
}
current_level = amdgpu_dpm_get_performance_level_locked(adev);
if (current_level == level) {
ret = 0;
goto out;
}
if (adev->asic_type == CHIP_RAVEN) {
if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) {
if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL &&
level == AMD_DPM_FORCED_LEVEL_MANUAL)
amdgpu_gfx_off_ctrl(adev, false);
else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL &&
level != AMD_DPM_FORCED_LEVEL_MANUAL)
amdgpu_gfx_off_ctrl(adev, true);
}
}
if (!(current_level & profile_mode_mask) &&
(level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) {
ret = -EINVAL;
goto out;
}
if (!(current_level & profile_mode_mask) &&
(level & profile_mode_mask)) {
/* enter UMD Pstate */
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
amdgpu_device_ip_set_clockgating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_UNGATE);
} else if ((current_level & profile_mode_mask) &&
!(level & profile_mode_mask)) {
/* exit UMD Pstate */
amdgpu_device_ip_set_clockgating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_GATE);
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_GATE);
}
if (pp_funcs->force_performance_level(adev->powerplay.pp_handle,
level))
ret = -EINVAL;

50
drivers/gpu/drm/amd/pm/amdgpu_pm.c
View File

@ -299,11 +299,6 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
enum amd_dpm_forced_level level;
enum amd_dpm_forced_level current_level;
uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
int ret = 0;
if (amdgpu_in_reset(adev))
@ -341,51 +336,6 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
return ret;
}
current_level = amdgpu_dpm_get_performance_level(adev);
if (current_level == level) {
pm_runtime_mark_last_busy(ddev->dev);
pm_runtime_put_autosuspend(ddev->dev);
return count;
}
if (adev->asic_type == CHIP_RAVEN) {
if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) {
if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL && level == AMD_DPM_FORCED_LEVEL_MANUAL)
amdgpu_gfx_off_ctrl(adev, false);
else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL && level != AMD_DPM_FORCED_LEVEL_MANUAL)
amdgpu_gfx_off_ctrl(adev, true);
}
}
/* profile_exit setting is valid only when current mode is in profile mode */
if (!(current_level & profile_mode_mask) &&
(level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) {
pr_err("Currently not in any profile mode!\n");
pm_runtime_mark_last_busy(ddev->dev);
pm_runtime_put_autosuspend(ddev->dev);
return -EINVAL;
}
if (!(current_level & profile_mode_mask) &&
(level & profile_mode_mask)) {
/* enter UMD Pstate */
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
amdgpu_device_ip_set_clockgating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_UNGATE);
} else if ((current_level & profile_mode_mask) &&
!(level & profile_mode_mask)) {
/* exit UMD Pstate */
amdgpu_device_ip_set_clockgating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_GATE);
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_GATE);
}
if (amdgpu_dpm_force_performance_level(adev, level)) {
pm_runtime_mark_last_busy(ddev->dev);
pm_runtime_put_autosuspend(ddev->dev);