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authorRex Zhu <Rex.Zhu@amd.com>2018-06-13 18:53:49 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-06-15 10:28:11 -0500
commite1fa921f022d2401f3e3328ebf0c2ded84d4924a (patch)
tree1e34c782e9baee4b6ef35d491f80bf0bfc60b176 /drivers/gpu/drm
parentecfee95a8ae7f35d43b8f63d61220e70ec8d2ea8 (diff)
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drm/amd/pp: Make sure clock_voltage_limit_table on dc is valid
if vbios not set the max clock voltage limit table for DC mode, Set the table as sama as the table for AC mode. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index e63bc47dc715..4ef77cebc628 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -236,6 +236,11 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
ret = hwmgr->hwmgr_func->backend_init(hwmgr);
if (ret)
goto err1;
+ /* make sure dc limits are valid */
+ if ((hwmgr->dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
+ (hwmgr->dyn_state.max_clock_voltage_on_dc.mclk == 0))
+ hwmgr->dyn_state.max_clock_voltage_on_dc =
+ hwmgr->dyn_state.max_clock_voltage_on_ac;
ret = psm_init_power_state_table(hwmgr);
if (ret)
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