[PATCH 2/2] drm/amd/pm: fix uninitialized variable warnings for vangogh_ppt
Tim Huang
Tim.Huang at amd.com
Sun Apr 28 08:45:11 UTC 2024
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 at amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 29295941aca9..b40cb4e255e9 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -976,6 +976,18 @@ 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:
@@ -2450,6 +2462,8 @@ 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;
--
2.39.2
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