Commit 8d916815 authored by Mario Limonciello's avatar Mario Limonciello
Browse files

cpufreq/amd-pstate: Export symbols for changing modes 



In order to effectively test all mode switch combinations export
everything necessarily for amd-pstate-ut to trigger a mode switch.

Reviewed-by: default avatarPerry Yuan <Perry.Yuan@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
parent 15a2b764

drivers/cpufreq/amd-pstate.c

+10 −13
Original line number Diff line number Diff line
@@ -58,18 +58,6 @@ 
#define AMD_CPPC_EPP_BALANCE_POWERSAVE		0xBF

#define AMD_CPPC_EPP_POWERSAVE			0xFF



/*

 * enum amd_pstate_mode - driver working mode of amd pstate

 */

enum amd_pstate_mode {

	AMD_PSTATE_UNDEFINED = 0,

	AMD_PSTATE_DISABLE,

	AMD_PSTATE_PASSIVE,

	AMD_PSTATE_ACTIVE,

	AMD_PSTATE_GUIDED,

	AMD_PSTATE_MAX,

};



static const char * const amd_pstate_mode_string[] = {

	[AMD_PSTATE_UNDEFINED]   = "undefined",

	[AMD_PSTATE_DISABLE]     = "disable",
@@ -79,6 +67,14 @@ static const char * const amd_pstate_mode_string[] = { 
	NULL,

};



const char *amd_pstate_get_mode_string(enum amd_pstate_mode mode)

{

	if (mode < 0 || mode >= AMD_PSTATE_MAX)

		return NULL;

	return amd_pstate_mode_string[mode];

}

EXPORT_SYMBOL_GPL(amd_pstate_get_mode_string);



struct quirk_entry {

	u32 nominal_freq;

	u32 lowest_freq;
@@ -1286,7 +1282,7 @@ static ssize_t amd_pstate_show_status(char *buf) 
	return sysfs_emit(buf, "%s\n", amd_pstate_mode_string[cppc_state]);

}



static int amd_pstate_update_status(const char *buf, size_t size)

int amd_pstate_update_status(const char *buf, size_t size)

{

	int mode_idx;
@@ -1303,6 +1299,7 @@ static int amd_pstate_update_status(const char *buf, size_t size) 


	return 0;

}

EXPORT_SYMBOL_GPL(amd_pstate_update_status);



static ssize_t status_show(struct device *dev,

			   struct device_attribute *attr, char *buf)

drivers/cpufreq/amd-pstate.h

+14 −0
Original line number Diff line number Diff line
@@ -103,4 +103,18 @@ struct amd_cpudata { 
	bool	boost_state;

};



/*

 * enum amd_pstate_mode - driver working mode of amd pstate

 */

enum amd_pstate_mode {

	AMD_PSTATE_UNDEFINED = 0,

	AMD_PSTATE_DISABLE,

	AMD_PSTATE_PASSIVE,

	AMD_PSTATE_ACTIVE,

	AMD_PSTATE_GUIDED,

	AMD_PSTATE_MAX,

};

const char *amd_pstate_get_mode_string(enum amd_pstate_mode mode);

int amd_pstate_update_status(const char *buf, size_t size);



#endif /* _LINUX_AMD_PSTATE_H */