From: Hawking Zhang Date: Tue, 18 Jan 2022 08:11:02 +0000 (+0800) Subject: drm/amdgpu: add structures for rlcg indirect reg access X-Git-Tag: v5.18-rc1~134^2~18^2~218 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b12252b0538183d8b88bd4a8d8d05a808c46472c;p=thirdparty%2Flinux.git 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: Hawking Zhang Reviewed-by: Zhou, Peng Ju Acked-by: Christian König Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h index 00afd0dcae86c..286b2347d063f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h @@ -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);