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authorHuang Rui <ray.huang@amd.com>2016-07-12 09:09:31 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-07-15 18:34:03 +0200
commitf476852a8cb62f0ebf1631cfb71dda1209b91306 (patch)
tree93924f52ec480d78fe3f322886863157d737b33f /drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
parentdrm/amd/powerplay: fix the incorrect return value (diff)
downloadlinux-f476852a8cb62f0ebf1631cfb71dda1209b91306.tar.xz
linux-f476852a8cb62f0ebf1631cfb71dda1209b91306.zip
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/processpptables.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c13
1 files changed, 13 insertions, 0 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)