From 4d72cf478bb98e8c372ad32817d69092c766366a Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 9 Oct 2017 12:22:21 +0800 Subject: [PATCH 1989/4131] drm/amd/pp: implement notify_smu_memory_info on Powerplay Change-Id: Ibdec9db5304ee169696bd2bf8a5eacdd546d496f Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 36 +++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 2010bbd..c330030 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1163,6 +1163,41 @@ static int pp_dpm_switch_power_profile(void *handle, return 0; } +static int pp_dpm_notify_smu_memory_info(void *handle, + uint32_t virtual_addr_low, + uint32_t virtual_addr_hi, + uint32_t mc_addr_low, + uint32_t mc_addr_hi, + uint32_t size) +{ + struct pp_hwmgr *hwmgr; + struct pp_instance *pp_handle = (struct pp_instance *)handle; + int ret = 0; + + ret = pp_check(pp_handle); + + if (ret) + return ret; + + hwmgr = pp_handle->hwmgr; + + if (hwmgr->hwmgr_func->notify_cac_buffer_info == NULL) { + pr_info("%s was not implemented.\n", __func__); + return -EINVAL; + } + + mutex_lock(&pp_handle->pp_lock); + + ret = hwmgr->hwmgr_func->notify_cac_buffer_info(hwmgr, virtual_addr_low, + virtual_addr_hi, mc_addr_low, mc_addr_hi, + size); + + mutex_unlock(&pp_handle->pp_lock); + + return ret; +} + + /* export this function to DAL */ static int pp_display_configuration_change(void *handle, @@ -1435,6 +1470,7 @@ const struct amd_pm_funcs pp_dpm_funcs = { .set_power_profile_state = pp_dpm_set_power_profile_state, .switch_power_profile = pp_dpm_switch_power_profile, .set_clockgating_by_smu = pp_set_clockgating_by_smu, + .notify_smu_memory_info = pp_dpm_notify_smu_memory_info, /* export to DC */ .get_sclk = pp_dpm_get_sclk, .get_mclk = pp_dpm_get_mclk, -- 2.7.4