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path: root/common/recipes-kernel/linux/files/0158-drm-amdgpu-Show-gpu-load-when-display-gpu-performanc.patch
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From 512194a7d7c12f2cf0988ccfb6b423087c4420ff Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 6 Jan 2016 17:15:59 +0800
Subject: [PATCH 0158/1110] drm/amdgpu: Show gpu load when display gpu
 performance for Fiji of VI.

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/hwmgr/fiji_hwmgr.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
index 3f3009d..28031a7 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
@@ -4866,7 +4866,9 @@ static int fiji_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
 static void fiji_print_current_perforce_level(
 		struct pp_hwmgr *hwmgr, struct seq_file *m)
 {
-	uint32_t sclk, mclk;
+	uint32_t sclk, mclk, activity_percent = 0;
+	uint32_t offset;
+	struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
 
 	smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency);
 
@@ -4877,6 +4879,13 @@ static void fiji_print_current_perforce_level(
 	mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
 	seq_printf(m, "\n [  mclk  ]: %u MHz\n\n [  sclk  ]: %u MHz\n",
 			mclk / 100, sclk / 100);
+
+	offset = data->soft_regs_start + offsetof(SMU73_SoftRegisters, AverageGraphicsActivity);
+	activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset);
+	activity_percent += 0x80;
+	activity_percent >>= 8;
+
+	seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent);
 }
 
 static int fiji_program_display_gap(struct pp_hwmgr *hwmgr)
-- 
2.7.4