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| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-07-30 11:59:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 19:09:51 +0300 |
| commit | d23ee13fba23a3039971a976b2c4857cb5ba9c73 (patch) | |
| tree | 88971cc05b8acc8f7e3ba0a9cee5d88e2aa68e97 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 5a83c93249098df2ee3b0039ec8f4495b959fcd0 (diff) | |
| download | linux-d23ee13fba23a3039971a976b2c4857cb5ba9c73.tar.xz | |
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.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 447c4c7a36d6..47fbe8f54036 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -950,6 +950,10 @@ struct amdgpu_gfx { /* NGG */ struct amdgpu_ngg ngg; + /* gfx off */ + bool gfx_off_state; /* true: enabled, false: disabled */ + struct mutex gfx_off_mutex; + uint32_t gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */ /* pipe reservation */ struct mutex pipe_reserve_mutex; DECLARE_BITMAP (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); @@ -1774,6 +1778,7 @@ void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, const u32 array_size); bool amdgpu_device_is_px(struct drm_device *dev); +void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable); /* atpx handler */ #if defined(CONFIG_VGA_SWITCHEROO) void amdgpu_register_atpx_handler(void); |