From c86985f31f1598cee0b6ab9aa299b3ccee22bcfd Mon Sep 17 00:00:00 2001 From: Rex Zhu 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 Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- 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