From 54a19a2500b483a217e65ebf5c4b5936bcf3150e Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Sun, 5 May 2019 11:00:50 +0800 Subject: [PATCH 1904/2940] drm/amd/powerplay: check for invalid profile_exit setting profile_exit performance level setting is valid only when current mode is in profile mode. Change-Id: I6940102d38dbb7a4b0233fce5277e1704672d8f4 Signed-off-by: Evan Quan Reviewed-by: Tao Zhou --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index e0789f0f2670..bd40d5d72508 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -351,6 +351,16 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, if (current_level == level) return count; + /* profile_exit setting is valid only when current mode is in profile mode */ + if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) && + (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) { + pr_err("Currently not in any profile mode!\n"); + return -EINVAL; + } + if (is_support_sw_smu(adev)) { mutex_lock(&adev->pm.mutex); if (adev->pm.dpm.thermal_active) { -- 2.17.1