diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0156-drm-amd-powerplay-Reload-and-initialize-the-smc-firm.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0156-drm-amd-powerplay-Reload-and-initialize-the-smc-firm.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0156-drm-amd-powerplay-Reload-and-initialize-the-smc-firm.patch b/common/recipes-kernel/linux/files/0156-drm-amd-powerplay-Reload-and-initialize-the-smc-firm.patch new file mode 100644 index 00000000..9957fc28 --- /dev/null +++ b/common/recipes-kernel/linux/files/0156-drm-amd-powerplay-Reload-and-initialize-the-smc-firm.patch @@ -0,0 +1,58 @@ +From b4d418567a702f0b0eaee9a9fe1cc4d232eb020a Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 29 Dec 2015 10:25:19 +0800 +Subject: [PATCH 0156/1110] drm/amd/powerplay: Reload and initialize the smc + firmware on powerplay resume. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 17 +++++++++++++++++ + 1 file changed, 17 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 2764bd3..8f5d5ed 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -203,13 +203,29 @@ static int pp_resume(void *handle) + struct pp_instance *pp_handle; + struct pp_eventmgr *eventmgr; + struct pem_event_data event_data = { {0} }; ++ struct pp_smumgr *smumgr; ++ int ret; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; ++ smumgr = pp_handle->smu_mgr; ++ ++ if (smumgr == NULL || smumgr->smumgr_funcs == NULL || ++ smumgr->smumgr_funcs->start_smu == NULL) ++ return -EINVAL; ++ ++ ret = smumgr->smumgr_funcs->start_smu(smumgr); ++ if (ret) { ++ printk(KERN_ERR "[ powerplay ] smc start failed\n"); ++ smumgr->smumgr_funcs->smu_fini(smumgr); ++ return ret; ++ } ++ + eventmgr = pp_handle->eventmgr; + pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data); ++ + return 0; + } + +@@ -624,6 +640,7 @@ int amd_powerplay_display_configuration_change(void *handle, const void *input) + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + phm_store_dal_configuration_data(hwmgr, display_config); ++ + return 0; + } + +-- +2.7.4 + |