[PATCH 14/40] drm/amd/pm: optimize AC timing programming
Evan Quan
evan.quan at amd.com
Fri Oct 16 03:26:26 UTC 2020
Programming AC Timing Parameters is only dependent on MCLK.
No need to nest loop for each SCLK DPM level.
Change-Id: Ib6b84f758553b804a75b8ac64541d673fc090efb
Signed-off-by: Evan Quan <evan.quan at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
index e6099c2d3c11..0c55574bff7a 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
@@ -1465,7 +1465,7 @@ static int polaris10_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
hw_data->dpm_table.sclk_table.dpm_levels[i].value,
hw_data->dpm_table.mclk_table.dpm_levels[j].value,
&arb_regs.entries[i][j]);
- if (result == 0)
+ if (result == 0 && i == 0)
result = atomctrl_set_ac_timing_ai(hwmgr, hw_data->dpm_table.mclk_table.dpm_levels[j].value, j);
if (result != 0)
return result;
--
2.28.0
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