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From c86985f31f1598cee0b6ab9aa299b3ccee22bcfd Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 6 Jan 2016 17:08:46 +0800
Subject: [PATCH 0157/1110] drm/amdgpu: Show gpu load when display gpu
performance for Ci.
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/amdgpu/ci_dpm.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
index 57a2e34..8b4731d 100644
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -1395,7 +1395,6 @@ static void ci_thermal_stop_thermal_controller(struct amdgpu_device *adev)
ci_fan_ctrl_set_default_mode(adev);
}
-#if 0
static int ci_read_smc_soft_register(struct amdgpu_device *adev,
u16 reg_offset, u32 *value)
{
@@ -1405,7 +1404,6 @@ static int ci_read_smc_soft_register(struct amdgpu_device *adev,
pi->soft_regs_start + reg_offset,
value, pi->sram_end);
}
-#endif
static int ci_write_smc_soft_register(struct amdgpu_device *adev,
u16 reg_offset, u32 value)
@@ -6084,11 +6082,23 @@ ci_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
struct amdgpu_ps *rps = &pi->current_rps;
u32 sclk = ci_get_average_sclk_freq(adev);
u32 mclk = ci_get_average_mclk_freq(adev);
+ u32 activity_percent = 50;
+ int ret;
+
+ ret = ci_read_smc_soft_register(adev, offsetof(SMU7_SoftRegisters, AverageGraphicsA),
+ &activity_percent);
+
+ if (ret == 0) {
+ activity_percent += 0x80;
+ activity_percent >>= 8;
+ activity_percent = activity_percent > 100 ? 100 : activity_percent;
+ }
seq_printf(m, "uvd %sabled\n", pi->uvd_enabled ? "en" : "dis");
seq_printf(m, "vce %sabled\n", rps->vce_active ? "en" : "dis");
seq_printf(m, "power level avg sclk: %u mclk: %u\n",
sclk, mclk);
+ seq_printf(m, "GPU load: %u %%\n", activity_percent);
}
static void ci_dpm_print_power_state(struct amdgpu_device *adev,
--
2.7.4
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