diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1942-drm-amd-powerplay-valid-Vega10-DPMTABLE_OD_UPDATE_VD.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1942-drm-amd-powerplay-valid-Vega10-DPMTABLE_OD_UPDATE_VD.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1942-drm-amd-powerplay-valid-Vega10-DPMTABLE_OD_UPDATE_VD.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1942-drm-amd-powerplay-valid-Vega10-DPMTABLE_OD_UPDATE_VD.patch new file mode 100644 index 00000000..5cd4875c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1942-drm-amd-powerplay-valid-Vega10-DPMTABLE_OD_UPDATE_VD.patch @@ -0,0 +1,49 @@ +From c129314db43bef00d36f61785dd3bf370984b076 Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Mon, 6 May 2019 16:37:40 +0800 +Subject: [PATCH 1942/2940] drm/amd/powerplay: valid Vega10 + DPMTABLE_OD_UPDATE_VDDC settings V2 + +With user specified voltage(DPMTABLE_OD_UPDATE_VDDC), the AVFS +will be disabled. However, the buggy code makes this actually not +working as expected. + +- V2: clear all OD flags excpet DPMTABLE_OD_UPDATE_VDDC + +Change-Id: Ifa83a6255bb3f6fa4bdb4de616521cb7bab6830a +Signed-off-by: Evan Quan <evan.quan@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 9 ++++----- + 1 file changed, 4 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +index 58a229bdb86c..383d1f503181 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +@@ -2466,11 +2466,6 @@ static void vega10_check_dpm_table_updated(struct pp_hwmgr *hwmgr) + return; + } + } +- +- if (data->need_update_dpm_table & DPMTABLE_OD_UPDATE_VDDC) { +- data->need_update_dpm_table &= ~DPMTABLE_OD_UPDATE_VDDC; +- data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_SCLK | DPMTABLE_OD_UPDATE_MCLK; +- } + } + + /** +@@ -3683,6 +3678,10 @@ static int vega10_set_power_state_tasks(struct pp_hwmgr *hwmgr, + + vega10_update_avfs(hwmgr); + ++ /* ++ * Clear all OD flags except DPMTABLE_OD_UPDATE_VDDC. ++ * That will help to keep AVFS disabled. ++ */ + data->need_update_dpm_table &= DPMTABLE_OD_UPDATE_VDDC; + + return 0; +-- +2.17.1 + |