diff options
| author | Huang Rui <ray.huang@amd.com> | 2021-01-07 18:42:34 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-01-13 23:52:51 -0500 |
| commit | 517cb957c43be3a60d3ffebe980653ebb8e83fe3 (patch) | |
| tree | f4504859e8879dedc4497d0fdce05919f8cdea9b /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | ec3b35c82de3d02fef6da7fefe37415786ee834e (diff) | |
drm/amd/pm: implement the processor clocks which read by metric
The core processor clocks will be stored in smu metric table, then we
add this runtime information into amdgpu_pm_info interface.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index f5d97b97353a..d319203eddad 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -36,6 +36,7 @@ #include <linux/hwmon-sysfs.h> #include <linux/nospec.h> #include <linux/pm_runtime.h> +#include <asm/processor.h> #include "hwmgr.h" static const struct cg_flag_name clocks[] = { @@ -3622,6 +3623,27 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) */ #if defined(CONFIG_DEBUG_FS) +static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m, + struct amdgpu_device *adev) { + uint16_t *p_val; + uint32_t size; + int i; + + if (is_support_cclk_dpm(adev)) { + p_val = kcalloc(boot_cpu_data.x86_max_cores, sizeof(uint16_t), + GFP_KERNEL); + + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK, + (void *)p_val, &size)) { + for (i = 0; i < boot_cpu_data.x86_max_cores; i++) + seq_printf(m, "\t%u MHz (CPU%d)\n", + *(p_val + i), i); + } + + kfree(p_val); + } +} + static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev) { uint32_t value; @@ -3632,6 +3654,9 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a /* GPU Clocks */ size = sizeof(value); seq_printf(m, "GFX Clocks and Power:\n"); + + amdgpu_debugfs_prints_cpu_info(m, adev); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size)) seq_printf(m, "\t%u MHz (MCLK)\n", value/100); if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size)) |