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drm/xe/pf: Show VFs LMEM provisioning summary over debugfs

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While we can already view individual VF LMEM provisioning using
lmem_quota debugfs attribute, we want to have unified way to show
summary across all VFs, like we do for GGTT or GuC doorbells/IDs.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Marcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241021201506.1771-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko
2024-10-21 22:15:06 +02:00
parent dd1ba621c2
commit b982cba5ce
3 changed files with 41 additions and 0 deletions
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35
drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
View File

@@ -2376,6 +2376,41 @@ int xe_gt_sriov_pf_config_print_dbs(struct xe_gt *gt, struct drm_printer *p)
return 0;
}
/**
* xe_gt_sriov_pf_config_print_lmem - Print LMEM configurations.
* @gt: the &xe_gt
* @p: the &drm_printer
*
* Print LMEM allocations across all VFs.
* VFs without LMEM allocation are skipped.
*
* This function can only be called on PF.
* Return: 0 on success or a negative error code on failure.
*/
int xe_gt_sriov_pf_config_print_lmem(struct xe_gt *gt, struct drm_printer *p)
{
unsigned int n, total_vfs = xe_sriov_pf_get_totalvfs(gt_to_xe(gt));
const struct xe_gt_sriov_config *config;
char buf[10];
xe_gt_assert(gt, IS_SRIOV_PF(gt_to_xe(gt)));
mutex_lock(xe_gt_sriov_pf_master_mutex(gt));
for (n = 1; n <= total_vfs; n++) {
config = &gt->sriov.pf.vfs[n].config;
if (!config->lmem_obj)
continue;
string_get_size(config->lmem_obj->size, 1, STRING_UNITS_2,
buf, sizeof(buf));
drm_printf(p, "VF%u:\t%zu\t(%s)\n",
n, config->lmem_obj->size, buf);
}
mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));
return 0;
}
/**
* xe_gt_sriov_pf_config_print_available_ggtt - Print available GGTT ranges.
* @gt: the &xe_gt

1
drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h
View File

@@ -65,6 +65,7 @@ void xe_gt_sriov_pf_config_restart(struct xe_gt *gt);
int xe_gt_sriov_pf_config_print_ggtt(struct xe_gt *gt, struct drm_printer *p);
int xe_gt_sriov_pf_config_print_ctxs(struct xe_gt *gt, struct drm_printer *p);
int xe_gt_sriov_pf_config_print_dbs(struct xe_gt *gt, struct drm_printer *p);
int xe_gt_sriov_pf_config_print_lmem(struct xe_gt *gt, struct drm_printer *p);
int xe_gt_sriov_pf_config_print_available_ggtt(struct xe_gt *gt, struct drm_printer *p);

5
drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
View File

@@ -81,6 +81,11 @@ static const struct drm_info_list pf_info[] = {
.show = xe_gt_debugfs_simple_show,
.data = xe_gt_sriov_pf_config_print_dbs,
},
{
"lmem_provisioned",
.show = xe_gt_debugfs_simple_show,
.data = xe_gt_sriov_pf_config_print_lmem,
},
{
"runtime_registers",
.show = xe_gt_debugfs_simple_show,