From 6bd48d24045c3f93f3f57ca1d61388ea0b38c89c Mon Sep 17 00:00:00 2001 From: David Rokhvarg Date: Thu, 19 Nov 2015 14:45:39 -0500 Subject: [PATCH] drm/amd/powerplay: Add PPLib debug print macro. - The macro is silent by default. - Use the macro to print Display Configuration - related changes. Signed-off-by: David Rokhvarg --- .../gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 35 +++++++++++++++++-- drivers/gpu/drm/amd/powerplay/inc/pp_debug.h | 9 ++++- 2 files changed, 40 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c index c7116aee769b..13b5bef384f6 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -38,7 +38,7 @@ #include "cz_hwmgr.h" #include "power_state.h" #include "cz_clockpowergating.h" - +#include "pp_debug.h" #define ixSMUSVI_NB_CURRENTVID 0xD8230044 #define CURRENT_NB_VID_MASK 0xff000000 @@ -821,10 +821,12 @@ static int cz_tf_enable_nb_dpm(struct pp_hwmgr *hwmgr, void *storage, int result) { int ret = 0; + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); unsigned long dpm_features = 0; if (!cz_hwmgr->is_nb_dpm_enabled) { + PP_DBG_LOG("enabling ALL SMU features.\n"); dpm_features |= NB_DPM_MASK; ret = smum_send_msg_to_smc_with_parameter( hwmgr->smumgr, @@ -842,14 +844,19 @@ static int cz_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable, b struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); if (hw_data->is_nb_dpm_enabled) { - if (enable) + if (enable) { + PP_DBG_LOG("enable Low Memory PState.\n"); + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_EnableLowMemoryPstate, (lock ? 1 : 0)); - else + } else { + PP_DBG_LOG("disable Low Memory PState.\n"); + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_DisableLowMemoryPstate, (lock ? 1 : 0)); + } } return 0; @@ -1522,11 +1529,30 @@ cz_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m) } } +static void cz_hw_print_display_cfg( + const struct amd_pp_display_configuration *display_cfg) +{ + PP_DBG_LOG("New Display Configuration:\n"); + + PP_DBG_LOG(" cpu_cc6_disable: %d\n", + display_cfg->cpu_cc6_disable); + PP_DBG_LOG(" cpu_pstate_disable: %d\n", + display_cfg->cpu_pstate_disable); + PP_DBG_LOG(" nb_pstate_switch_disable: %d\n", + display_cfg->nb_pstate_switch_disable); + PP_DBG_LOG(" cpu_pstate_separation_time: %d\n\n", + display_cfg->cpu_pstate_separation_time); +} + int cz_set_cpu_power_state(struct pp_hwmgr *hwmgr) { struct cz_hwmgr *hw_data = (struct cz_hwmgr *)(hwmgr->backend); uint32_t data = 0; + if (hw_data->cc6_setting_changed == true) { + + cz_hw_print_display_cfg(&hw_data->display_cfg); + data |= (hw_data->display_cfg.cpu_pstate_separation_time & PWRMGT_SEPARATION_TIME_MASK) << PWRMGT_SEPARATION_TIME_SHIFT; @@ -1537,6 +1563,9 @@ int cz_set_cpu_power_state(struct pp_hwmgr *hwmgr) data|= (hw_data->display_cfg.cpu_pstate_disable ? 0x1 : 0x0) << PWRMGT_DISABLE_CPU_PSTATES_SHIFT; + PP_DBG_LOG("SetDisplaySizePowerParams data: 0x%X\n", + data); + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetDisplaySizePowerParams, data); diff --git a/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h index 3df3dedb1bb5..d7d83b7c7f95 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h +++ b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h @@ -36,5 +36,12 @@ } \ } while (0) -#endif + +#define PP_DBG_LOG(fmt, ...) \ + do { \ + if(0)printk(KERN_INFO "[ pp_dbg ] " fmt, ##__VA_ARGS__); \ + } while (0) + + +#endif /* PP_DEBUG_H */ -- 2.20.1