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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0506-drm-amd-powerplay-hint-when-power-profile-setting-is.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0506-drm-amd-powerplay-hint-when-power-profile-setting-is.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0506-drm-amd-powerplay-hint-when-power-profile-setting-is.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0506-drm-amd-powerplay-hint-when-power-profile-setting-is.patch
new file mode 100644
index 00000000..1e6f4760
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0506-drm-amd-powerplay-hint-when-power-profile-setting-is.patch
@@ -0,0 +1,39 @@
+From 3f0de5355c41d1776605e065cf23acb6ec849f7c Mon Sep 17 00:00:00 2001
+From: Evan Quan <evan.quan@amd.com>
+Date: Wed, 10 Oct 2018 15:24:59 +0800
+Subject: [PATCH 0506/2940] drm/amd/powerplay: hint when power profile setting
+ is not supported
+
+Give user some hints when the power profile setting is not supported.
+
+Change-Id: Iba2b938d02a039ccdee32f9aca185f79fd818796
+Signed-off-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+index 75b56ae032ce..e8964cae6b93 100644
+--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+@@ -894,9 +894,14 @@ static int pp_set_power_profile_mode(void *handle, long *input, uint32_t size)
+ pr_info("%s was not implemented.\n", __func__);
+ return ret;
+ }
++
++ if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
++ pr_info("power profile setting is for manual dpm mode only.\n");
++ return ret;
++ }
++
+ mutex_lock(&hwmgr->smu_lock);
+- if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL)
+- ret = hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size);
++ ret = hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size);
+ mutex_unlock(&hwmgr->smu_lock);
+ return ret;
+ }
+--
+2.17.1
+