From b7a0776949a8f9db835ab652b6fa96b6e7d6972d Mon Sep 17 00:00:00 2001 From: Sonny Jiang Date: Thu, 28 May 2015 15:47:53 -0400 Subject: drm/amdgpu: enable vce powergating MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable VCE dpm and powergating. VCE dpm dynamically scales the VCE clocks on demand. Signed-off-by: Sonny Jiang Reviewed-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 605a9e42f943..ed13baa7c976 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -656,19 +656,27 @@ void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable) { - if (enable) { + if (adev->pm.funcs->powergate_vce) { mutex_lock(&adev->pm.mutex); - adev->pm.dpm.vce_active = true; - /* XXX select vce level based on ring/task */ - adev->pm.dpm.vce_level = AMDGPU_VCE_LEVEL_AC_ALL; + /* enable/disable VCE */ + amdgpu_dpm_powergate_vce(adev, !enable); + mutex_unlock(&adev->pm.mutex); } else { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.vce_active = false; - mutex_unlock(&adev->pm.mutex); - } + if (enable) { + mutex_lock(&adev->pm.mutex); + adev->pm.dpm.vce_active = true; + /* XXX select vce level based on ring/task */ + adev->pm.dpm.vce_level = AMDGPU_VCE_LEVEL_AC_ALL; + mutex_unlock(&adev->pm.mutex); + } else { + mutex_lock(&adev->pm.mutex); + adev->pm.dpm.vce_active = false; + mutex_unlock(&adev->pm.mutex); + } - amdgpu_pm_compute_clocks(adev); + amdgpu_pm_compute_clocks(adev); + } } void amdgpu_pm_print_power_states(struct amdgpu_device *adev) -- cgit v1.2.3