[igt-dev] [PATCH 3/4] tests/xe/xe_guc_pc: Change the sysfs paths.
Ghimiray, Himal Prasad
himal.prasad.ghimiray at intel.com
Thu Jun 22 05:19:14 UTC 2023
Hi Kamil,
> -----Original Message-----
> From: Kamil Konieczny <kamil.konieczny at linux.intel.com>
> Sent: 21 June 2023 22:24
> To: igt-dev at lists.freedesktop.org
> Cc: Ghimiray, Himal Prasad <himal.prasad.ghimiray at intel.com>; Nilawar,
> Badal <badal.nilawar at intel.com>; Tauro, Riana <riana.tauro at intel.com>;
> Gupta, Anshuman <anshuman.gupta at intel.com>
> Subject: Re: [igt-dev] [PATCH 3/4] tests/xe/xe_guc_pc: Change the sysfs
> paths.
>
> Hi Himal,
>
> please remove final dot from end of subject:
Sure.
>
> [PATCH 3/4] tests/xe/xe_guc_pc: Change the sysfs paths.
> ----------------------------------------------------- ^ s/paths/paths/
>
> On 2023-06-13 at 19:11:55 +0530, Himal Prasad Ghimiray wrote:
> > Changes to access sysfs entries under tile directory.
>
> Please describe what changes you did. Btw, will it be the same for i915 driver
> ?
Will update the changes in description and no for i915 the changes will not be applicable.
>
> >
> > Cc: Badal Nilawar <badal.nilawar at intel.com>
> > Cc: Riana Tauro <riana.tauro at intel.com>
> > Cc: Anshuman Gupta <anshuman.gupta at intel.com>
> > Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
> > ---
> > tests/xe/xe_guc_pc.c | 199
> > ++++++++++++++++++++++---------------------
> > 1 file changed, 100 insertions(+), 99 deletions(-)
> >
> > diff --git a/tests/xe/xe_guc_pc.c b/tests/xe/xe_guc_pc.c index
> > 5c71ae14..ff9ada44 100644
> > --- a/tests/xe/xe_guc_pc.c
> > +++ b/tests/xe/xe_guc_pc.c
> > @@ -133,23 +133,23 @@ static void exec_basic(int fd, struct
> drm_xe_engine_class_instance *eci,
> > xe_vm_destroy(fd, vm);
> > }
> >
> > -static int set_freq(int sysfs, int gt_id, const char *freq_name,
> > uint32_t freq)
> > +static int set_freq(int sysfs, int tile_id, int gt_id, const char
> > +*freq_name, uint32_t freq)
> > {
> > int ret = -EAGAIN;
> > char path[32];
> >
> > - sprintf(path, "device/gt%d/freq_%s", gt_id, freq_name);
> > + sprintf(path, "device/tile%d/gt%d/freq_%s", tile_id, gt_id,
> > +freq_name);
> ------- ^
> Use snprintf and check for error.
Sure.
>
> > while (ret == -EAGAIN)
> > ret = igt_sysfs_printf(sysfs, path, "%u", freq);
> > return ret;
> > }
> >
> > -static uint32_t get_freq(int sysfs, int gt_id, const char *freq_name)
> > +static uint32_t get_freq(int sysfs, int tile_id, int gt_id, const
> > +char *freq_name)
> > {
> > uint32_t freq;
> > int err = -EAGAIN;
> > char path[32];
> > - sprintf(path, "device/gt%d/freq_%s", gt_id, freq_name);
> > + sprintf(path, "device/tile%d/gt%d/freq_%s", tile_id, gt_id,
> > +freq_name);
> ------- ^
> Same here.
>
> Regards,
> Kamil
>
> > while (err == -EAGAIN)
> > err = igt_sysfs_scanf(sysfs, path, "%u", &freq);
> > return freq;
> > @@ -162,37 +162,37 @@ static uint32_t get_freq(int sysfs, int gt_id, const
> char *freq_name)
> > * Run type: BAT
> > */
> >
> > -static void test_freq_basic_api(int sysfs, int gt_id)
> > +static void test_freq_basic_api(int sysfs, int tile_id, int gt_id)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > - uint32_t rpe = get_freq(sysfs, gt_id, "rpe");
> > - uint32_t rp0 = get_freq(sysfs, gt_id, "rp0");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> > + uint32_t rpe = get_freq(sysfs, tile_id, gt_id, "rpe");
> > + uint32_t rp0 = get_freq(sysfs, tile_id, gt_id, "rp0");
> >
> > /*
> > * Negative bound tests
> > * RPn is the floor
> > * RP0 is the ceiling
> > */
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpn - 1) < 0);
> > - igt_assert(set_freq(sysfs, gt_id, "min", rp0 + 1) < 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpn - 1) < 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rp0 + 1) < 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpn - 1) < 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rp0 + 1) < 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpn - 1) < 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rp0 + 1) < 0);
> >
> > /* Assert min requests are respected from rp0 to rpn */
> > - igt_assert(set_freq(sysfs, gt_id, "min", rp0) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "min") == rp0);
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpe) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "min") == rpe);
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpn) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "min") == rpn);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rp0) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "min") == rp0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpe) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "min") == rpe);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpn) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "min") == rpn);
> >
> > /* Assert max requests are respected from rpn to rp0 */
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpn) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "max") == rpn);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpe) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "max") == rpe);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rp0) > 0);
> > - igt_assert(get_freq(sysfs, gt_id, "max") == rp0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpn) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "max") == rpn);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpe) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "max") == rpe);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rp0) > 0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "max") == rp0);
> > }
> >
> > /**
> > @@ -206,11 +206,11 @@ static void test_freq_basic_api(int sysfs, int gt_id)
> > * TODO: change ``'Run type' == FULL`` to a better category
> > */
> >
> > -static void test_freq_fixed(int sysfs, int gt_id)
> > +static void test_freq_fixed(int sysfs, int tile_id, int gt_id)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > - uint32_t rpe = get_freq(sysfs, gt_id, "rpe");
> > - uint32_t rp0 = get_freq(sysfs, gt_id, "rp0");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> > + uint32_t rpe = get_freq(sysfs, tile_id, gt_id, "rpe");
> > + uint32_t rp0 = get_freq(sysfs, tile_id, gt_id, "rp0");
> >
> > igt_debug("Starting testing fixed request\n");
> >
> > @@ -219,27 +219,27 @@ static void test_freq_fixed(int sysfs, int gt_id)
> > * Then we check if hardware is actually operating at the desired freq
> > * And let's do this for all the 3 known Render Performance (RP)
> values.
> > */
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpn) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpn) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > - igt_assert(get_freq(sysfs, gt_id, "cur") == rpn);
> > - igt_assert(get_freq(sysfs, gt_id, "act") == rpn);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "cur") == rpn);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "act") == rpn);
> >
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpe) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpe) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpe) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpe) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > - igt_assert(get_freq(sysfs, gt_id, "cur") == rpe);
> > - igt_assert(get_freq(sysfs, gt_id, "act") == rpe);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "cur") == rpe);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "act") == rpe);
> >
> > - igt_assert(set_freq(sysfs, gt_id, "min", rp0) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rp0) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rp0) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rp0) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > /*
> > * It is unlikely that PCODE will *always* respect any request above
> RPe
> > * So for this level let's only check if GuC PC is doing its job
> > * and respecting our request, by propagating it to the hardware.
> > */
> > - igt_assert(get_freq(sysfs, gt_id, "cur") == rp0);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "cur") == rp0);
> >
> > igt_debug("Finished testing fixed request\n"); } @@ -255,20 +255,20
> > @@ static void test_freq_fixed(int sysfs, int gt_id)
> > * TODO: change ``'Run type' == FULL`` to a better category
> > */
> >
> > -static void test_freq_range(int sysfs, int gt_id)
> > +static void test_freq_range(int sysfs, int tile_id, int gt_id)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > - uint32_t rpe = get_freq(sysfs, gt_id, "rpe");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> > + uint32_t rpe = get_freq(sysfs, tile_id, gt_id, "rpe");
> > uint32_t cur, act;
> >
> > igt_debug("Starting testing range request\n");
> >
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpn) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpe) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpe) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > - cur = get_freq(sysfs, gt_id, "cur");
> > + cur = get_freq(sysfs, tile_id, gt_id, "cur");
> > igt_assert(rpn <= cur && cur <= rpe);
> > - act = get_freq(sysfs, gt_id, "act");
> > + act = get_freq(sysfs, tile_id, gt_id, "act");
> > igt_assert(rpn <= act && act <= rpe);
> >
> > igt_debug("Finished testing range request\n"); @@ -281,20 +281,20
> @@
> > static void test_freq_range(int sysfs, int gt_id)
> > * TODO: change ``'Run type' == FULL`` to a better category
> > */
> >
> > -static void test_freq_low_max(int sysfs, int gt_id)
> > +static void test_freq_low_max(int sysfs, int tile_id, int gt_id)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > - uint32_t rpe = get_freq(sysfs, gt_id, "rpe");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> > + uint32_t rpe = get_freq(sysfs, tile_id, gt_id, "rpe");
> >
> > /*
> > * When max request < min request, max is ignored and min works
> like
> > * a fixed one. Let's assert this assumption
> > */
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpe) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpe) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpn) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > - igt_assert(get_freq(sysfs, gt_id, "cur") == rpe);
> > - igt_assert(get_freq(sysfs, gt_id, "act") == rpe);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "cur") == rpe);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "act") == rpe);
> > }
> >
> > /**
> > @@ -304,20 +304,20 @@ static void test_freq_low_max(int sysfs, int gt_id)
> > * TODO: change ``'Run type' == FULL`` to a better category
> > */
> >
> > -static void test_suspend(int sysfs, int gt_id)
> > +static void test_suspend(int sysfs, int tile_id, int gt_id)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> >
> > - igt_assert(set_freq(sysfs, gt_id, "min", rpn) > 0);
> > - igt_assert(set_freq(sysfs, gt_id, "max", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "min", rpn) > 0);
> > + igt_assert(set_freq(sysfs, tile_id, gt_id, "max", rpn) > 0);
> > usleep(ACT_FREQ_LATENCY_US);
> > - igt_assert(get_freq(sysfs, gt_id, "cur") == rpn);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "cur") == rpn);
> >
> > igt_system_suspend_autoresume(SUSPEND_STATE_S3,
> > SUSPEND_TEST_NONE);
> >
> > - igt_assert(get_freq(sysfs, gt_id, "min") == rpn);
> > - igt_assert(get_freq(sysfs, gt_id, "max") == rpn);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "min") == rpn);
> > + igt_assert(get_freq(sysfs, tile_id, gt_id, "max") == rpn);
> > }
> >
> > /**
> > @@ -332,24 +332,24 @@ static void test_suspend(int sysfs, int gt_id)
> > * TODO: change ``'Run type' == FULL`` to a better category
> > */
> >
> > -static void test_reset(int fd, int sysfs, int gt_id, int cycles)
> > +static void test_reset(int fd, int sysfs, int tile_id, int gt_id, int
> > +cycles)
> > {
> > - uint32_t rpn = get_freq(sysfs, gt_id, "rpn");
> > + uint32_t rpn = get_freq(sysfs, tile_id, gt_id, "rpn");
> >
> > for (int i = 0; i < cycles; i++) {
> > - igt_assert_f(set_freq(sysfs, gt_id, "min", rpn) > 0,
> > + igt_assert_f(set_freq(sysfs, tile_id, gt_id, "min", rpn) > 0,
> > "Failed after %d good cycles\n", i);
> > - igt_assert_f(set_freq(sysfs, gt_id, "max", rpn) > 0,
> > + igt_assert_f(set_freq(sysfs, tile_id, gt_id, "max", rpn) > 0,
> > "Failed after %d good cycles\n", i);
> > usleep(ACT_FREQ_LATENCY_US);
> > - igt_assert_f(get_freq(sysfs, gt_id, "cur") == rpn,
> > + igt_assert_f(get_freq(sysfs, tile_id, gt_id, "cur") == rpn,
> > "Failed after %d good cycles\n", i);
> >
> > xe_force_gt_reset(fd, gt_id);
> >
> > - igt_assert_f(get_freq(sysfs, gt_id, "min") == rpn,
> > + igt_assert_f(get_freq(sysfs, tile_id, gt_id, "min") == rpn,
> > "Failed after %d good cycles\n", i);
> > - igt_assert_f(get_freq(sysfs, gt_id, "max") == rpn,
> > + igt_assert_f(get_freq(sysfs, tile_id, gt_id, "max") == rpn,
> > "Failed after %d good cycles\n", i);
> > }
> > }
> > @@ -365,11 +365,11 @@ static void test_reset(int fd, int sysfs, int gt_id, int
> cycles)
> > * Run type: BAT
> > */
> >
> > -static bool in_rc6(int sysfs, int gt_id)
> > +static bool in_rc6(int sysfs, int tile_id, int gt_id)
> > {
> > - char path[32];
> > + char path[40];
> > char rc[8];
> > - sprintf(path, "device/gt%d/rc_status", gt_id);
> > + sprintf(path, "device/tile%d/gt%d/rc_status", tile_id, gt_id);
> > if (igt_sysfs_scanf(sysfs, path, "%s", rc) < 0)
> > return false;
> > return strcmp(rc, "rc6") == 0;
> > @@ -379,6 +379,7 @@ igt_main
> > {
> > struct drm_xe_engine_class_instance *hwe;
> > int fd;
> > + int tile;
> > int gt;
> > static int sysfs = -1;
> > int ncpus = sysconf(_SC_NPROCESSORS_ONLN); @@ -392,24 +393,24
> @@
> > igt_main
> > sysfs = igt_sysfs_open(fd);
> > igt_assert(sysfs != -1);
> >
> > - /* The defaults are the same. Stashing the gt0 is enough */
> > - stash_min = get_freq(sysfs, 0, "min");
> > - stash_max = get_freq(sysfs, 0, "max");
> > + /* The defaults are the same. Stashing the gt0 in tile0 is
> enough */
> > + stash_min = get_freq(sysfs, 0, 0, "min");
> > + stash_max = get_freq(sysfs, 0, 0, "max");
> > }
> >
> > igt_subtest("freq_basic_api") {
> > - xe_for_each_gt(fd, gt)
> > - test_freq_basic_api(sysfs, gt);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt)
> > + test_freq_basic_api(sysfs, tile, gt);
> > }
> >
> > igt_subtest("freq_fixed_idle") {
> > - xe_for_each_gt(fd, gt) {
> > - test_freq_fixed(sysfs, gt);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_freq_fixed(sysfs, tile, gt);
> > }
> > }
> >
> > igt_subtest("freq_fixed_exec") {
> > - xe_for_each_gt(fd, gt) {
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > xe_for_each_hw_engine(fd, hwe)
> > igt_fork(child, ncpus) {
> > igt_debug("Execution Started\n");
> @@ -417,19 +418,19 @@ igt_main
> > igt_debug("Execution Finished\n");
> > }
> > /* While exec in threads above, let's check the freq */
> > - test_freq_fixed(sysfs, gt);
> > + test_freq_fixed(sysfs, tile, gt);
> > igt_waitchildren();
> > }
> > }
> >
> > igt_subtest("freq_range_idle") {
> > - xe_for_each_gt(fd, gt) {
> > - test_freq_range(sysfs, gt);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_freq_range(sysfs, tile, gt);
> > }
> > }
> >
> > igt_subtest("freq_range_exec") {
> > - xe_for_each_gt(fd, gt) {
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > xe_for_each_hw_engine(fd, hwe)
> > igt_fork(child, ncpus) {
> > igt_debug("Execution Started\n");
> @@ -437,46 +438,46 @@ igt_main
> > igt_debug("Execution Finished\n");
> > }
> > /* While exec in threads above, let's check the freq */
> > - test_freq_range(sysfs, gt);
> > + test_freq_range(sysfs, tile, gt);
> > igt_waitchildren();
> > }
> > }
> >
> > igt_subtest("freq_low_max") {
> > - xe_for_each_gt(fd, gt) {
> > - test_freq_low_max(sysfs, gt);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_freq_low_max(sysfs, tile, gt);
> > }
> > }
> >
> > igt_subtest("freq_suspend") {
> > - xe_for_each_gt(fd, gt) {
> > - test_suspend(sysfs, gt);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_suspend(sysfs, tile, gt);
> > }
> > }
> >
> > igt_subtest("freq_reset") {
> > - xe_for_each_gt(fd, gt) {
> > - test_reset(fd, sysfs, gt, 1);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_reset(fd, sysfs, tile, gt, 1);
> > }
> > }
> >
> > igt_subtest("freq_reset_multiple") {
> > - xe_for_each_gt(fd, gt) {
> > - test_reset(fd, sysfs, gt, 50);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + test_reset(fd, sysfs, tile, gt, 50);
> > }
> > }
> >
> > igt_subtest("rc6_on_idle") {
> > igt_require(!IS_PONTEVECCHIO(xe_dev_id(fd)));
> > - xe_for_each_gt(fd, gt) {
> > - assert(igt_wait(in_rc6(sysfs, gt), 1000, 1));
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + assert(igt_wait(in_rc6(sysfs, tile, gt), 1000, 1));
> > }
> > }
> >
> > igt_subtest("rc0_on_exec") {
> > igt_require(!IS_PONTEVECCHIO(xe_dev_id(fd)));
> > - xe_for_each_gt(fd, gt) {
> > - assert(igt_wait(in_rc6(sysfs, gt), 1000, 1));
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + assert(igt_wait(in_rc6(sysfs, tile, gt), 1000, 1));
> > xe_for_each_hw_engine(fd, hwe)
> > igt_fork(child, ncpus) {
> > igt_debug("Execution Started\n");
> @@ -484,15 +485,15 @@ igt_main
> > igt_debug("Execution Finished\n");
> > }
> > /* While exec in threads above, let's check rc_status
> */
> > - assert(igt_wait(!in_rc6(sysfs, gt), 1000, 1));
> > + assert(igt_wait(!in_rc6(sysfs, tile, gt), 1000, 1));
> > igt_waitchildren();
> > }
> > }
> >
> > igt_fixture {
> > - xe_for_each_gt(fd, gt) {
> > - set_freq(sysfs, gt, "min", stash_min);
> > - set_freq(sysfs, gt, "max", stash_max);
> > + xe_for_each_gt_under_each_tile(fd, tile, gt) {
> > + set_freq(sysfs, tile, gt, "min", stash_min);
> > + set_freq(sysfs, tile, gt, "max", stash_max);
> > }
> > close(sysfs);
> > xe_device_put(fd);
> > --
> > 2.25.1
> >
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