This patch adds interface to notify smu enable pme restore register for display
and in smu v11 didn't have this implementation.

Signed-off-by: Huang Rui <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 8 ++++----
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h           | 3 +++
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
index 9118575..f69299f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c
@@ -593,10 +593,10 @@ void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
        void *pp_handle = adev->powerplay.pp_handle;
        const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
 
-       if (!pp_funcs || !pp_funcs->notify_smu_enable_pwe)
-               return;
-
-       pp_funcs->notify_smu_enable_pwe(pp_handle);
+       if (pp_funcs && pp_funcs->notify_smu_enable_pwe)
+               pp_funcs->notify_smu_enable_pwe(pp_handle);
+       else if (adev->smu.funcs)
+               smu_notify_smu_enable_pwe(&adev->smu);
 }
 
 void pp_rv_set_active_display_count(struct pp_smu *pp, int count)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h 
b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 08a3f79..ff22446 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -319,6 +319,7 @@ struct smu_funcs
                              struct smu_performance_level *level);
        int (*get_current_shallow_sleep_clocks)(struct smu_context *smu,
                                                struct smu_clock_info *clocks);
+       int (*notify_smu_enable_pwe)(struct smu_context *smu);
 };
 
 #define smu_init_microcode(smu) \
@@ -436,6 +437,8 @@ struct smu_funcs
        ((smu)->funcs->get_perf_level ? (smu)->funcs->get_perf_level((smu), 
(designation), (level)) : 0)
 #define smu_get_current_shallow_sleep_clocks(smu, clocks) \
        ((smu)->funcs->get_current_shallow_sleep_clocks ? 
(smu)->funcs->get_current_shallow_sleep_clocks((smu), (clocks)) : 0)
+#define smu_notify_smu_enable_pwe(smu) \
+       ((smu)->funcs->notify_smu_enable_pwe ? 
(smu)->funcs->notify_smu_enable_pwe((smu)) : 0)
 
 
 extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
-- 
2.7.4

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