diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4668-drm-amd-pp-Read-vbios-vddc-limit-before-use-them.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4668-drm-amd-pp-Read-vbios-vddc-limit-before-use-them.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4668-drm-amd-pp-Read-vbios-vddc-limit-before-use-them.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4668-drm-amd-pp-Read-vbios-vddc-limit-before-use-them.patch new file mode 100644 index 00000000..911961c9 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4668-drm-amd-pp-Read-vbios-vddc-limit-before-use-them.patch @@ -0,0 +1,46 @@ +From fd4be4b072d029c3af9f7aad58031d219aa0bdfe Mon Sep 17 00:00:00 2001 +From: Rex Zhu <rex.zhu@amd.com> +Date: Thu, 19 Jul 2018 16:21:42 +0800 +Subject: [PATCH 4668/5725] drm/amd/pp: Read vbios vddc limit before use them + +Use the vddc limit before read them from vbios + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 11 ++++++++--- + 1 file changed, 8 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +index 843dba9..79f96a1 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +@@ -295,7 +295,15 @@ static int vega10_odn_initial_default_setting(struct pp_hwmgr *hwmgr) + struct phm_ppt_v1_voltage_lookup_table *vddc_lookup_table; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_table[3]; + struct phm_ppt_v1_clock_voltage_dependency_table *od_table[3]; ++ struct pp_atomfwctrl_avfs_parameters avfs_params = {0}; + uint32_t i; ++ int result; ++ ++ result = pp_atomfwctrl_get_avfs_information(hwmgr, &avfs_params); ++ if (!result) { ++ data->odn_dpm_table.max_vddc = avfs_params.ulMaxVddc; ++ data->odn_dpm_table.min_vddc = avfs_params.ulMinVddc; ++ } + + od_lookup_table = &odn_table->vddc_lookup_table; + vddc_lookup_table = table_info->vddc_lookup_table; +@@ -2078,9 +2086,6 @@ static int vega10_populate_avfs_parameters(struct pp_hwmgr *hwmgr) + if (data->smu_features[GNLD_AVFS].supported) { + result = pp_atomfwctrl_get_avfs_information(hwmgr, &avfs_params); + if (!result) { +- data->odn_dpm_table.max_vddc = avfs_params.ulMaxVddc; +- data->odn_dpm_table.min_vddc = avfs_params.ulMinVddc; +- + pp_table->MinVoltageVid = (uint8_t) + convert_to_vid((uint16_t)(avfs_params.ulMinVddc)); + pp_table->MaxVoltageVid = (uint8_t) +-- +2.7.4 + |