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authorEvan Quan <evan.quan@amd.com>2019-05-05 06:00:50 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-05-07 21:24:57 +0300
commitdb8a974f7e6966d73b4e6afa673c5b8bc31a111e (patch)
tree9517abe8a48e270ed39fa24bb12731cac5cb0f81 /drivers/gpu/drm/amd
parent992fbe8ce035d8c3fb2615ac6e8faeaa7c2fa2c3 (diff)
downloadlinux-db8a974f7e6966d73b4e6afa673c5b8bc31a111e.tar.xz
drm/amd/powerplay: check for invalid profile_exit setting
profile_exit performance level setting is valid only when current mode is in profile mode. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 95144e49c7f9..34471dbaa872 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -342,6 +342,16 @@ 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) {