diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-07-30 16:59:09 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:09:51 -0500 |
| commit | d23ee13fba23a3039971a976b2c4857cb5ba9c73 (patch) | |
| tree | 88971cc05b8acc8f7e3ba0a9cee5d88e2aa68e97 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 5a83c93249098df2ee3b0039ec8f4495b959fcd0 (diff) | |
drm/amdgpu: Add amdgpu_gfx_off_ctrl function
v2:
1. drop the special handling for the hw IP
suggested by hawking and Christian.
2. refine the variable name suggested by Flora.
This funciton as the entry of gfx off feature.
we arbitrat gfx off feature enable/disable in this
function.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 8ab5ccbc14ac..2068b7fe7523 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2367,6 +2367,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->gfx.gpu_clock_mutex); mutex_init(&adev->srbm_mutex); mutex_init(&adev->gfx.pipe_reserve_mutex); + mutex_init(&adev->gfx.gfx_off_mutex); mutex_init(&adev->grbm_idx_mutex); mutex_init(&adev->mn_lock); mutex_init(&adev->virt.vf_errors.lock); @@ -2394,6 +2395,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, INIT_DELAYED_WORK(&adev->late_init_work, amdgpu_device_ip_late_init_func_handler); + adev->gfx.gfx_off_req_count = 1; adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false; /* Registers mapping */ |