From 6bb7283d71c5a02dc09018fe4b078f9adbcc5082 Mon Sep 17 00:00:00 2001 From: jsg Date: Mon, 9 Sep 2024 09:28:27 +0000 Subject: [PATCH] drm/amdgpu/pm: Check input value for CUSTOM profile mode setting on legacy SOCs From Ma Jun 58350786dbbddfb5ffcbb0ef976b5c9fef5870bc in linux-6.6.y/6.6.50 df0a9bd92fbbd3fcafcb2bce6463c9228a3e6868 in mainline linux --- sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 2 +- sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 4cd7e0e270d..bda5f1632c1 100644 --- a/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -5641,7 +5641,7 @@ static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint mode = input[size]; switch (mode) { case PP_SMC_POWER_PROFILE_CUSTOM: - if (size < 8 && size != 0) + if (size != 8 && size != 0) return -EINVAL; /* If only CUSTOM is passed in, use the saved values. Check * that we actually have a CUSTOM profile by ensuring that diff --git a/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c b/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c index bd144d662b7..980364382bd 100644 --- a/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c +++ b/sys/dev/pci/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c @@ -4102,9 +4102,11 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); - if (size == 0 && !data->is_custom_profile_set) + + if (size != 10 && size != 0) return -EINVAL; - if (size < 10 && size != 0) + + if (size == 0 && !data->is_custom_profile_set) return -EINVAL; result = vega20_get_activity_monitor_coeff(hwmgr, @@ -4166,6 +4168,8 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui activity_monitor.Fclk_PD_Data_error_coeff = input[8]; activity_monitor.Fclk_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } result = vega20_set_activity_monitor_coeff(hwmgr, -- 2.20.1