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drm/amd/pm: fix uninitialized variable warnings for vangogh_ppt

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[ Upstream commit b2871de6961d24d421839fbfa4aa3008ec9170d5 ]

1. Fix a issue that using uninitialized mask to get the ultimate frequency.
2. Check return of smu_cmn_send_smc_msg_with_param to avoid using
uninitialized variable residency.

Signed-off-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tim Huang
2024-04-28 15:42:03 +08:00
committed by Greg Kroah-Hartman
parent 2be1eb6304
commit 341fa0fab3
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
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@@ -1003,6 +1003,18 @@ static int vangogh_get_dpm_ultimate_freq(struct smu_context *smu,
}
}
if (min) {
ret = vangogh_get_profiling_clk_mask(smu,
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK,
NULL,
NULL,
&mclk_mask,
&fclk_mask,
&soc_mask);
if (ret)
goto failed;
vclk_mask = dclk_mask = 0;
switch (clk_type) {
case SMU_UCLK:
case SMU_MCLK:
@@ -2363,6 +2375,8 @@ static u32 vangogh_set_gfxoff_residency(struct smu_context *smu, bool start)
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_LogGfxOffResidency,
start, &residency);
if (ret)
return ret;
if (!start)
adev->gfx.gfx_off_residency = residency;