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From 731293237e12e750a3425e34b721d12ffe870b89 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Thu, 17 Dec 2015 17:20:04 +0800
Subject: [PATCH 0135/1110] drm/amd/powerplay: show gpu load when print gpu
performance for Cz. (v2)
Show GPU load in in the debugfs output.
v2: integrate Tom's optimization
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
index 3448065..5bac36b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -1494,8 +1494,9 @@ cz_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
- uint32_t sclk, vclk, dclk, ecclk, tmp;
+ uint32_t sclk, vclk, dclk, ecclk, tmp, active_percent;
uint16_t vddnb, vddgfx;
+ int result;
if (sclk_index >= NUM_SCLK_LEVELS) {
seq_printf(m, "\n invalid sclk dpm profile %d\n", sclk_index);
@@ -1532,6 +1533,16 @@ cz_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
seq_printf(m, "\n index: %u vce ecclk: %u MHz\n", vce_index, ecclk/100);
}
}
+
+ result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetAverageGraphicsActivity);
+ if (0 == result) {
+ active_percent = cgs_read_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0);
+ active_percent = active_percent > 100 ? 100 : active_percent;
+ } else {
+ active_percent = 50;
+ }
+
+ seq_printf(m, "\n [GPU load]: %u %%\n\n", active_percent);
}
static void cz_hw_print_display_cfg(
--
2.7.4
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