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drm/amd/powerplay: add power consumption display support in debugfs

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The additional output are:
vddc power in Watt;
vddci power in Watt;
max gpu power in Watt;
average gpu power in Watt.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2017-01-24 16:59:27 -05:00 • committed by Alex Deucher
parent cd7b0c66ce
commit 4f9afc9bd2
2 changed files with 19 additions and 0 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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@ -1533,6 +1533,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
{
uint32_t value;
struct pp_gpu_power query = {0};
/* sanity check PP is enabled */
if (!(adev->powerplay.pp_funcs &&
@ -1549,6 +1550,16 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a
seq_printf(m, "\t%u mV (VDDGFX)\n", value);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value))
seq_printf(m, "\t%u mV (VDDNB)\n", value);
if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query)) {
seq_printf(m, "\t%u.%u W (VDDC)\n", query.vddc_power >> 8,
query.vddc_power & 0xff);
seq_printf(m, "\t%u.%u W (VDDCI)\n", query.vddci_power >> 8,
query.vddci_power & 0xff);
seq_printf(m, "\t%u.%u W (max GPU)\n", query.max_gpu_power >> 8,
query.max_gpu_power & 0xff);
seq_printf(m, "\t%u.%u W (average GPU)\n", query.average_gpu_power >> 8,
query.average_gpu_power & 0xff);
}
seq_printf(m, "\n");
/* GPU Temp */