Different asics tend to have different ways to interact with the RLC. This just covers enter/exit of safe mode for updating CG and PG state, but could be extended to cover other RLC operations in the future if necessary.
Acked-by: Tom St Denis tom.stdenis@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a7a53ac..4a2b9a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1037,6 +1037,11 @@ void amdgpu_bo_list_free(struct amdgpu_bo_list *list); */ #include "clearstate_defs.h"
+struct amdgpu_rlc_funcs { + void (*enter_safe_mode)(struct amdgpu_device *adev); + void (*exit_safe_mode)(struct amdgpu_device *adev); +}; + struct amdgpu_rlc { /* for power gating */ struct amdgpu_bo *save_restore_obj; @@ -1055,6 +1060,10 @@ struct amdgpu_rlc { uint64_t cp_table_gpu_addr; volatile uint32_t *cp_table_ptr; u32 cp_table_size; + + /* safe mode for updating CG/PG state */ + bool in_safe_mode; + const struct amdgpu_rlc_funcs *funcs; };
struct amdgpu_mec {