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drm/amdgpu: add amdgpu_gfx_state_change_set() set gfx power change entry (v2)

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The new amdgpu_gfx_state_change_set() funtion can support set GFX power
change status to D0/D3.

v2: squash in warning fix (Alex)

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang
2020-09-09 11:08:00 +08:00
committed by Alex Deucher
parent 4cd078dc65
commit d90a53d65a
7 changed files with 58 additions and 1 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
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@ -47,6 +47,12 @@ enum gfx_pipe_priority {
AMDGPU_GFX_PIPE_PRIO_MAX
};
/* Argument for PPSMC_MSG_GpuChangeState */
enum gfx_change_state {
sGpuChangeState_D0Entry = 1,
sGpuChangeState_D3Entry,
};
#define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM 0
#define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM 15
@ -394,4 +400,5 @@ int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
void amdgpu_gfx_state_change_set(struct amdgpu_device *adev, enum gfx_change_state state);
#endif