diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3320-drm-amd-pp-Enable-pp_set_power_profile_mode-under-ma.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3320-drm-amd-pp-Enable-pp_set_power_profile_mode-under-ma.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3320-drm-amd-pp-Enable-pp_set_power_profile_mode-under-ma.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3320-drm-amd-pp-Enable-pp_set_power_profile_mode-under-ma.patch new file mode 100644 index 00000000..f3de4a8e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3320-drm-amd-pp-Enable-pp_set_power_profile_mode-under-ma.patch @@ -0,0 +1,46 @@ +From db876d2e263aac46b70e7b940beba76fe3b70464 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 30 Jan 2018 12:55:54 +0800 +Subject: [PATCH 3320/4131] drm/amd/pp: Enable pp_set_power_profile_mode under + manual mode + +Only user enter manual performance mode, driver allow user +configure the sclk/mclk dpm parameters through sysfs +pp_power_profile_mode. + +Change-Id: Iad615964fd931d4cb1ea522fd873bb51102aab0d +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 2d3f9c7..78ac209 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -1088,6 +1088,7 @@ static int pp_set_power_profile_mode(void *handle, long *input, uint32_t size) + { + struct pp_hwmgr *hwmgr; + struct pp_instance *pp_handle = (struct pp_instance *)handle; ++ int ret = -EINVAL; + + if (pp_check(pp_handle)) + return -EINVAL; +@@ -1098,8 +1099,11 @@ static int pp_set_power_profile_mode(void *handle, long *input, uint32_t size) + pr_info("%s was not implemented.\n", __func__); + return -EINVAL; + } +- +- return hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size); ++ mutex_lock(&pp_handle->pp_lock); ++ if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) ++ ret = hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size); ++ mutex_unlock(&pp_handle->pp_lock); ++ return ret; + } + + static int pp_odn_edit_dpm_table(void *handle, uint32_t type, long *input, uint32_t size) +-- +2.7.4 + |