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drm/amd/pm: fix warning using uninitialized value of max_vid_step

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[ Upstream commit 17e3bea65cdc453695b2fe4ff26d25d17f5339e9 ]

Check the return of pp_atomfwctrl_get_Voltage_table_v4
as it may fail to initialize max_vid_step
V2: change the check condition (Tim Huang)

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jesse Zhang 2024-04-29 15:26:25 +08:00 committed by Greg Kroah-Hartman
parent a601129c78
commit d592768c17
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
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@ -2572,8 +2572,11 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
}
}
pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC,
result = pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC,
VOLTAGE_OBJ_SVID2, &voltage_table);
PP_ASSERT_WITH_CODE(!result,
"Failed to get voltage table!",
return result);
pp_table->MaxVidStep = voltage_table.max_vid_step;
pp_table->GfxDpmVoltageMode =