Commit baec59ef authored by Michał Winiarski's avatar Michał Winiarski

tests/i915_pm_rps: Use sysfs helpers

Doing this lets us avoid drm_get_card, which we plan to remove

v2: We were extermally unlikely to find rps knobs in current dir.
Signed-off-by: Michał Winiarski's avatarMichał Winiarski <>
Cc: Chris Wilson <>
Reviewed-by: Chris Wilson's avatarChris Wilson <>
parent eab79da0
......@@ -38,12 +38,12 @@
#include "igt.h"
#include "igt_dummyload.h"
#include "igt_sysfs.h"
IGT_TEST_DESCRIPTION("Render P-States tests - verify GPU frequency changes");
static int drm_fd;
static const char sysfs_base_path[] = "/sys/class/drm/card%d/gt_%s_freq_mhz";
enum {
......@@ -629,20 +629,23 @@ igt_main
igt_fixture {
const int device = drm_get_card();
struct sysfs_file *sysfs_file = sysfs_files;
char sysfs_path[80];
int ret;
/* Use drm_open_driver to verify device existence */
drm_fd = drm_open_driver(DRIVER_INTEL);
igt_require(gem_can_store_dword(drm_fd, 0));
igt_assert(igt_sysfs_path(drm_fd, sysfs_path,
sizeof(sysfs_path), NULL));
do {
int val = -1;
char *path;
ret = asprintf(&path, sysfs_base_path, device, sysfs_file->name);
ret = asprintf(&path, "%s/gt_%s_freq_mhz",
sysfs_path, sysfs_file->name);
igt_assert(ret != -1);
sysfs_file->filp = fopen(path, sysfs_file->mode);
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment