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drm/amdgpu: add df callback functions structure

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Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2018-03-23 11:37:25 +08:00 committed by Alex Deucher
parent 3ef1381d4e
commit 634c96e3f3
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -1368,7 +1368,17 @@ struct amdgpu_nbio_funcs {
void (*detect_hw_virt)(struct amdgpu_device *adev);
};
struct amdgpu_df_funcs {
void (*init)(struct amdgpu_device *adev);
void (*enable_broadcast_mode)(struct amdgpu_device *adev,
bool enable);
u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
bool enable);
void (*get_clockgating_state)(struct amdgpu_device *adev,
u32 *flags);
};
/* Define the HW IP blocks will be used in driver , add more if necessary */
enum amd_hw_ip_block_type {
GC_HWIP = 1,
@ -1588,6 +1598,7 @@ struct amdgpu_device {
uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
const struct amdgpu_nbio_funcs *nbio_funcs;
const struct amdgpu_df_funcs *df_funcs;
/* delayed work_func for deferring clockgating during resume */
struct delayed_work late_init_work;