From 42731427e2af47e9e95db6c8a5b4146662015b08 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Wed, 8 May 2024 16:39:29 +0800 Subject: [PATCH] drm/amdgpu/pm: Check input value for power profile setting on smu11, smu13 and smu14 BugLink: https://bugs.launchpad.net/bugs/2084941 [ Upstream commit adb9de4dd207fb1264ea70b9eacab9f70ee4707a ] Check the input value for CUSTOM profile mode setting on smu 11, smu13 and smu14. Otherwise we use uninitialized value of input[] Signed-off-by: Ma Jun Reviewed-by: Yang Wang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin Signed-off-by: Manuel Diewald Signed-off-by: Stefan Bader --- drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 5 +++++ drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 4 ++++ drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 4 ++++ drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 5 +++++ drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 4 ++++ 5 files changed, 22 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c index 40ba7227cca5..437ac31b1673 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c @@ -1439,6 +1439,9 @@ static int arcturus_set_power_profile_mode(struct smu_context *smu, if ((profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) && (smu->smc_fw_version >= 0x360d00)) { + if (size != 10) + return -EINVAL; + ret = smu_cmn_update_table(smu, SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT, @@ -1472,6 +1475,8 @@ static int arcturus_set_power_profile_mode(struct smu_context *smu, activity_monitor.Mem_PD_Data_error_coeff = input[8]; activity_monitor.Mem_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } ret = smu_cmn_update_table(smu, diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index ea95d5544668..22dbebeb4f12 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -2021,6 +2021,8 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u } if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (size != 10) + return -EINVAL; ret = smu_cmn_update_table(smu, SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT, @@ -2064,6 +2066,8 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u activity_monitor.Mem_PD_Data_error_coeff = input[8]; activity_monitor.Mem_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } ret = smu_cmn_update_table(smu, diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 1f18b61884f3..5c6819c8fdd2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -1722,6 +1722,8 @@ static int sienna_cichlid_set_power_profile_mode(struct smu_context *smu, long * } if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (size != 10) + return -EINVAL; ret = smu_cmn_update_table(smu, SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT, @@ -1765,6 +1767,8 @@ static int sienna_cichlid_set_power_profile_mode(struct smu_context *smu, long * activity_monitor->Mem_PD_Data_error_coeff = input[8]; activity_monitor->Mem_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } ret = smu_cmn_update_table(smu, diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index 67117ced7c6a..10f7fce4ebd0 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -2495,6 +2495,9 @@ static int smu_v13_0_0_set_power_profile_mode(struct smu_context *smu, } if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (size != 9) + return -EINVAL; + ret = smu_cmn_update_table(smu, SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT, @@ -2526,6 +2529,8 @@ static int smu_v13_0_0_set_power_profile_mode(struct smu_context *smu, activity_monitor->Fclk_PD_Data_error_coeff = input[7]; activity_monitor->Fclk_PD_Data_error_rate_coeff = input[8]; break; + default: + return -EINVAL; } ret = smu_cmn_update_table(smu, diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index 7318964f1f14..62570544d96b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -2450,6 +2450,8 @@ static int smu_v13_0_7_set_power_profile_mode(struct smu_context *smu, long *inp } if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (size != 8) + return -EINVAL; ret = smu_cmn_update_table(smu, SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT, @@ -2478,6 +2480,8 @@ static int smu_v13_0_7_set_power_profile_mode(struct smu_context *smu, long *inp activity_monitor->Fclk_MinActiveFreq = input[6]; activity_monitor->Fclk_BoosterFreq = input[7]; break; + default: + return -EINVAL; } ret = smu_cmn_update_table(smu,