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 <Hawking.Zhang@xxxxxxx>
Reviewed-by: Zhou, Peng Ju <PengJu.Zhou@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.h
index 00afd0dcae86..286b2347d063 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);
--
2.17.1
