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| author | Lijo Lazar <lijo.lazar@amd.com> | 2026-06-18 10:56:54 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-01 11:11:20 -0400 |
| commit | bf939f2a1687ef4ab815640096357f8ef5bd5fb6 (patch) | |
| tree | ef64bb9a824468ae3276339c496630f738489975 | |
| parent | 7445035dd3f22fc4c151058304b2dc6df4aca59b (diff) | |
| download | linux-stable-bf939f2a1687ef4ab815640096357f8ef5bd5fb6.tar.gz linux-stable-bf939f2a1687ef4ab815640096357f8ef5bd5fb6.zip | |
drm/amd/pm: validate vega10 profile mode inputs
Check for out of range profile modes and custom params that exceed 8 bits.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index a5896ce59097..629815f0c5d4 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -5215,6 +5215,11 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui uint8_t min_active_level; uint32_t power_profile_mode = input[size]; + if (power_profile_mode > PP_SMC_POWER_PROFILE_CUSTOM) { + pr_err("Invalid power profile mode %u\n", power_profile_mode); + return -EINVAL; + } + if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { if (size != 0 && size != 4) return -EINVAL; @@ -5230,6 +5235,10 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui return -EINVAL; } + if ((input[0] & ~0xFF) || (input[1] & ~0xFF) || + (input[2] & ~0xFF) || (input[3] & ~0xFF)) + return -EINVAL; + data->custom_profile_mode[0] = busy_set_point = input[0]; data->custom_profile_mode[1] = FPS = input[1]; data->custom_profile_mode[2] = use_rlc_busy = input[2]; |