Commit f2cdaf20 authored by Tom St Denis's avatar Tom St Denis Committed by Alex Deucher

drm/amd/amdgpu: Hook up read_sensor() to debugfs (v2)

(v2) Tidy'ed up read function.
Signed-off-by: default avatarTom St Denis <tom.stdenis@amd.com>
Reviewed-by: default avatarEdward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a6e36952
...@@ -2771,6 +2771,29 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, ...@@ -2771,6 +2771,29 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
return result; return result;
} }
static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
struct amdgpu_device *adev = f->f_inode->i_private;
int idx, r;
int32_t value;
if (size != 4 || *pos & 0x3)
return -EINVAL;
/* convert offset to sensor number */
idx = *pos >> 2;
if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
r = adev->powerplay.pp_funcs->read_sensor(adev->powerplay.pp_handle, idx, &value);
else
return -EINVAL;
if (!r)
r = put_user(value, (int32_t *)buf);
return !r ? 4 : r;
}
static const struct file_operations amdgpu_debugfs_regs_fops = { static const struct file_operations amdgpu_debugfs_regs_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
...@@ -2803,12 +2826,19 @@ static const struct file_operations amdgpu_debugfs_gca_config_fops = { ...@@ -2803,12 +2826,19 @@ static const struct file_operations amdgpu_debugfs_gca_config_fops = {
.llseek = default_llseek .llseek = default_llseek
}; };
static const struct file_operations amdgpu_debugfs_sensors_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_sensor_read,
.llseek = default_llseek
};
static const struct file_operations *debugfs_regs[] = { static const struct file_operations *debugfs_regs[] = {
&amdgpu_debugfs_regs_fops, &amdgpu_debugfs_regs_fops,
&amdgpu_debugfs_regs_didt_fops, &amdgpu_debugfs_regs_didt_fops,
&amdgpu_debugfs_regs_pcie_fops, &amdgpu_debugfs_regs_pcie_fops,
&amdgpu_debugfs_regs_smc_fops, &amdgpu_debugfs_regs_smc_fops,
&amdgpu_debugfs_gca_config_fops, &amdgpu_debugfs_gca_config_fops,
&amdgpu_debugfs_sensors_fops,
}; };
static const char *debugfs_regs_names[] = { static const char *debugfs_regs_names[] = {
...@@ -2817,6 +2847,7 @@ static const char *debugfs_regs_names[] = { ...@@ -2817,6 +2847,7 @@ static const char *debugfs_regs_names[] = {
"amdgpu_regs_pcie", "amdgpu_regs_pcie",
"amdgpu_regs_smc", "amdgpu_regs_smc",
"amdgpu_gca_config", "amdgpu_gca_config",
"amdgpu_sensors",
}; };
static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
......
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