From 728cf6bb4d0d4723794dabf87b76efa3c36916ab Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 27 Jun 2013 19:08:23 -0400 Subject: [PATCH] drm/radeon/NI: fix TDP adjustment in set_power_state Fixes hangs with DPM in some cases. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/ni_dpm.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 5a43cb592666..777d17e61312 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -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); -- 2.20.1