diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4029-drm-amd-pp-Fix-performance-drop-on-Fiji.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4029-drm-amd-pp-Fix-performance-drop-on-Fiji.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4029-drm-amd-pp-Fix-performance-drop-on-Fiji.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4029-drm-amd-pp-Fix-performance-drop-on-Fiji.patch new file mode 100644 index 00000000..1d75a1bb --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/4029-drm-amd-pp-Fix-performance-drop-on-Fiji.patch @@ -0,0 +1,35 @@ +From 40c9ee8f604b8a294d612c9b8db5fffbad5c2bae Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Thu, 10 May 2018 19:51:09 +0800 +Subject: [PATCH 4029/4131] drm/amd/pp: Fix performance drop on Fiji + +The performance drop if the default TDP more than 256 Watt + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c +index 9f019d9..e374f3b 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c +@@ -896,12 +896,10 @@ int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) + { + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + +- n = (n & 0xff) << 8; +- + if (data->power_containment_features & + POWERCONTAINMENT_FEATURE_PkgPwrLimit) + return smum_send_msg_to_smc_with_parameter(hwmgr, +- PPSMC_MSG_PkgPwrSetLimit, n); ++ PPSMC_MSG_PkgPwrSetLimit, n<<8); + return 0; + } + +-- +2.7.4 + |