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authorHuang Rui <ray.huang@amd.com>2016-07-12 15:09:31 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-07-15 12:34:03 -0400
commitf476852a8cb62f0ebf1631cfb71dda1209b91306 (patch)
tree93924f52ec480d78fe3f322886863157d737b33f /drivers/gpu/drm/amd/powerplay/hwmgr
parentbec5f70dad45f7ad63f97aa0988821532ebeade7 (diff)
drm/amd/powerplay: add pp_tables_get_response_times function in process pptables
The pp_tables_get_response_times function will be used on iceland HW mananger. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c13
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h17
2 files changed, 23 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
index 35bc8a29b773..6c321b0d8a1e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
@@ -810,6 +810,19 @@ static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table(
return (const ATOM_PPLIB_POWERPLAYTABLE *)table_addr;
}
+int pp_tables_get_response_times(struct pp_hwmgr *hwmgr,
+ uint32_t *vol_rep_time, uint32_t *bb_rep_time)
+{
+ const ATOM_PPLIB_POWERPLAYTABLE *powerplay_tab = get_powerplay_table(hwmgr);
+
+ PP_ASSERT_WITH_CODE(NULL != powerplay_tab,
+ "Missing PowerPlay Table!", return -EINVAL);
+
+ *vol_rep_time = (uint32_t)le16_to_cpu(powerplay_tab->usVoltageTime);
+ *bb_rep_time = (uint32_t)le16_to_cpu(powerplay_tab->usBackbiasTime);
+
+ return 0;
+}
int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr,
unsigned long *num_of_entries)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h
index 30434802417e..baddaa75693b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.h
@@ -32,16 +32,19 @@ struct pp_hw_power_state;
extern const struct pp_table_func pptable_funcs;
typedef int (*pp_tables_hw_clock_info_callback)(struct pp_hwmgr *hwmgr,
- struct pp_hw_power_state *hw_ps,
- unsigned int index,
- const void *clock_info);
+ struct pp_hw_power_state *hw_ps,
+ unsigned int index,
+ const void *clock_info);
int pp_tables_get_num_of_entries(struct pp_hwmgr *hwmgr,
- unsigned long *num_of_entries);
+ unsigned long *num_of_entries);
int pp_tables_get_entry(struct pp_hwmgr *hwmgr,
- unsigned long entry_index,
- struct pp_power_state *ps,
- pp_tables_hw_clock_info_callback func);
+ unsigned long entry_index,
+ struct pp_power_state *ps,
+ pp_tables_hw_clock_info_callback func);
+
+int pp_tables_get_response_times(struct pp_hwmgr *hwmgr,
+ uint32_t *vol_rep_time, uint32_t *bb_rep_time);
#endif