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drm/radeon/dpm: add dpm_set_power_state failure output (si)

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-27 19:33:58 -04:00
parent 173dbb0ef6
commit cc833b6088
1 changed files with 54 additions and 19 deletions
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73
drivers/gpu/drm/radeon/si_dpm.c
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@ -5872,73 +5872,108 @@ int si_dpm_set_power_state(struct radeon_device *rdev)
int ret;
ret = si_disable_ulv(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_disable_ulv failed\n");
return ret;
}
ret = si_restrict_performance_levels_before_switch(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_restrict_performance_levels_before_switch failed\n");
return ret;
}
if (eg_pi->pcie_performance_request)
si_request_link_speed_change_before_state_change(rdev, new_ps, old_ps);
rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
ret = si_enable_power_containment(rdev, new_ps, false);
if (ret)
if (ret) {
DRM_ERROR("si_enable_power_containment failed\n");
return ret;
}
ret = si_enable_smc_cac(rdev, new_ps, false);
if (ret)
if (ret) {
DRM_ERROR("si_enable_smc_cac failed\n");
return ret;
}
ret = si_halt_smc(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_halt_smc failed\n");
return ret;
}
ret = si_upload_sw_state(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_upload_sw_state failed\n");
return ret;
}
ret = si_upload_smc_data(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_upload_smc_data failed\n");
return ret;
}
ret = si_upload_ulv_state(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_upload_ulv_state failed\n");
return ret;
}
if (eg_pi->dynamic_ac_timing) {
ret = si_upload_mc_reg_table(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_upload_mc_reg_table failed\n");
return ret;
}
}
ret = si_program_memory_timing_parameters(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_program_memory_timing_parameters failed\n");
return ret;
}
si_set_pcie_lane_width_in_smc(rdev, new_ps, old_ps);
ret = si_populate_smc_tdp_limits(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_populate_smc_tdp_limits failed\n");
return ret;
}
ret = si_populate_smc_tdp_limits_2(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_populate_smc_tdp_limits_2 failed\n");
return ret;
}
ret = si_resume_smc(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_resume_smc failed\n");
return ret;
}
ret = si_set_sw_state(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_set_sw_state failed\n");
return ret;
}
rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
if (eg_pi->pcie_performance_request)
si_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps);
ret = si_set_power_state_conditionally_enable_ulv(rdev, new_ps);
if (ret)
if (ret) {
DRM_ERROR("si_set_power_state_conditionally_enable_ulv failed\n");
return ret;
}
ret = si_enable_smc_cac(rdev, new_ps, true);
if (ret)
if (ret) {
DRM_ERROR("si_enable_smc_cac failed\n");
return ret;
}
ret = si_enable_power_containment(rdev, new_ps, true);
if (ret)
if (ret) {
DRM_ERROR("si_enable_power_containment failed\n");
return ret;
}
#if 0
/* XXX */
ret = si_unrestrict_performance_levels_after_switch(rdev);
if (ret)
if (ret) {
DRM_ERROR("si_unrestrict_performance_levels_after_switch failed\n");
return ret;
}
#endif
return 0;