diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1904-drm-amd-powerplay-check-for-invalid-profile_exit-set.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1904-drm-amd-powerplay-check-for-invalid-profile_exit-set.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1904-drm-amd-powerplay-check-for-invalid-profile_exit-set.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1904-drm-amd-powerplay-check-for-invalid-profile_exit-set.patch new file mode 100644 index 00000000..d46b6cb1 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1904-drm-amd-powerplay-check-for-invalid-profile_exit-set.patch @@ -0,0 +1,40 @@ +From 54a19a2500b483a217e65ebf5c4b5936bcf3150e Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +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 <evan.quan@amd.com> +Reviewed-by: Tao Zhou <tao.zhou1@amd.com> +--- + 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 + |