From: Hawking Zhang Date: Fri, 23 Mar 2018 03:37:25 +0000 (+0800) Subject: drm/amdgpu: add df callback functions structure X-Git-Tag: v5.15~8594^2~16^2~269 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=634c96e3f3c7982d4b3ad14f8e004d11af184e91;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: add df callback functions structure Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 3000c4ab..df409dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -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;