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drm/amdgpu: add a new set of rlc function pointers

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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>
This commit is contained in:
Alex Deucher
2016-04-08 15:45:13 -04:00
parent 146f256fae
commit 79e5412c58
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -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 {