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

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

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+31 −0
Original line number Diff line number Diff line
@@ -2771,6 +2771,29 @@ static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, 
	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 = {

	.owner = THIS_MODULE,
@@ -2803,12 +2826,19 @@ static const struct file_operations amdgpu_debugfs_gca_config_fops = { 
	.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[] = {

	&amdgpu_debugfs_regs_fops,

	&amdgpu_debugfs_regs_didt_fops,

	&amdgpu_debugfs_regs_pcie_fops,

	&amdgpu_debugfs_regs_smc_fops,

	&amdgpu_debugfs_gca_config_fops,

	&amdgpu_debugfs_sensors_fops,

};



static const char *debugfs_regs_names[] = {
@@ -2817,6 +2847,7 @@ static const char *debugfs_regs_names[] = { 
	"amdgpu_regs_pcie",

	"amdgpu_regs_smc",

	"amdgpu_gca_config",

	"amdgpu_sensors",

};



static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)