Commit b12252b0 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
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drm/amdgpu: add structures for rlcg indirect reg access 



Add structures that are used to cache registers offsets
for rlcg indirect reg access ctrl and flag availability
of such interface

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarZhou, Peng Ju <PengJu.Zhou@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7bbe43f8

drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h

+14 −0
Original line number Diff line number Diff line
@@ -132,6 +132,16 @@ struct amdgpu_rlc_funcs { 
	bool (*is_rlcg_access_range)(struct amdgpu_device *adev, uint32_t reg);

};



struct amdgpu_rlcg_reg_access_ctrl {

	uint32_t scratch_reg0;

	uint32_t scratch_reg1;

	uint32_t scratch_reg2;

	uint32_t scratch_reg3;

	uint32_t grbm_cntl;

	uint32_t grbm_idx;

	uint32_t spare_int;

};



struct amdgpu_rlc {

	/* for power gating */

	struct amdgpu_bo        *save_restore_obj;
@@ -191,6 +201,10 @@ struct amdgpu_rlc { 
	struct amdgpu_bo	*rlc_toc_bo;

	uint64_t		rlc_toc_gpu_addr;

	void			*rlc_toc_buf;



	bool rlcg_reg_access_supported;

	/* registers for rlcg indirect reg access */

	struct amdgpu_rlcg_reg_access_ctrl reg_access_ctrl;

};



void amdgpu_gfx_rlc_enter_safe_mode(struct amdgpu_device *adev);