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@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
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 {
--
2.5.5
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