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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 <David.Rokhvarg@amd.com>
This commit is contained in:
David Rokhvarg 2015-11-19 14:45:39 -05:00 committed by Alex Deucher
parent 0f8b106e11
commit 6bd48d2404
2 changed files with 40 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
View File

@ -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,
@ -842,15 +844,20 @@ 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);

9
drivers/gpu/drm/amd/powerplay/inc/pp_debug.h
View File

@ -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 */