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drm/radeon/NI: fix TDP adjustment in set_power_state 

Fixes hangs with DPM in some cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-27 19:08:23 -04:00
parent 6e764764d5
commit 728cf6bb4d
1 changed files with 11 additions and 7 deletions
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18
drivers/gpu/drm/radeon/ni_dpm.c
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@ -3719,7 +3719,7 @@ void ni_dpm_disable(struct radeon_device *rdev)
ni_update_current_ps(rdev, boot_ps);
}
int ni_power_control_set_level(struct radeon_device *rdev)
static int ni_power_control_set_level(struct radeon_device *rdev)
{
struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
int ret;
@ -3736,7 +3736,9 @@ int ni_power_control_set_level(struct radeon_device *rdev)
ret = rv770_resume_smc(rdev);
if (ret)
return ret;
rv770_set_sw_state(rdev);
ret = rv770_set_sw_state(rdev);
if (ret)
return ret;
return 0;
}
@ -3801,11 +3803,6 @@ int ni_dpm_set_power_state(struct radeon_device *rdev)
DRM_ERROR("ni_program_memory_timing_parameters failed\n");
return ret;
}
ret = ni_populate_smc_tdp_limits(rdev, new_ps);
if (ret) {
DRM_ERROR("ni_populate_smc_tdp_limits failed\n");
return ret;
}
ret = rv770_resume_smc(rdev);
if (ret) {
DRM_ERROR("rv770_resume_smc failed\n");
@ -3828,6 +3825,13 @@ int ni_dpm_set_power_state(struct radeon_device *rdev)
return ret;
}
/* update tdp */
ret = ni_power_control_set_level(rdev);
if (ret) {
DRM_ERROR("ni_power_control_set_level failed\n");
return ret;
}
#if 0
/* XXX */
ret = ni_unrestrict_performance_levels_after_switch(rdev);