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drm/xe/pf: Enable per-function engine activity stats

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Enable per-function engine activity stats when VF's are enabled
and disable when VF's are disabled

v2: fix commit message
    remove reset stats from pf config (Michal)

Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311071759.2117211-4-riana.tauro@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Riana Tauro
2025-03-11 12:47:59 +05:30
committed by Lucas De Marchi
parent 8a4339fe24
commit bf6cb06c0e
1 changed files with 20 additions and 0 deletions
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20
drivers/gpu/drm/xe/xe_pci_sriov.c
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@@ -7,6 +7,7 @@
#include "xe_device.h"
#include "xe_gt_sriov_pf_config.h"
#include "xe_gt_sriov_pf_control.h"
#include "xe_guc_engine_activity.h"
#include "xe_pci_sriov.h"
#include "xe_pm.h"
#include "xe_sriov.h"
@@ -111,6 +112,20 @@ static void pf_link_vfs(struct xe_device *xe, int num_vfs)
}
}
static void pf_engine_activity_stats(struct xe_device *xe, unsigned int num_vfs, bool enable)
{
struct xe_gt *gt;
unsigned int id;
int ret = 0;
for_each_gt(gt, xe, id) {
ret = xe_guc_engine_activity_function_stats(&gt->uc.guc, num_vfs, enable);
if (ret)
xe_sriov_info(xe, "Failed to %s engine activity function stats (%pe)\n",
str_enable_disable(enable), ERR_PTR(ret));
}
}
static int pf_enable_vfs(struct xe_device *xe, int num_vfs)
{
struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
@@ -145,6 +160,9 @@ static int pf_enable_vfs(struct xe_device *xe, int num_vfs)
xe_sriov_info(xe, "Enabled %u of %u VF%s\n",
num_vfs, total_vfs, str_plural(total_vfs));
pf_engine_activity_stats(xe, num_vfs, true);
return num_vfs;
failed:
@@ -168,6 +186,8 @@ static int pf_disable_vfs(struct xe_device *xe)
if (!num_vfs)
return 0;
pf_engine_activity_stats(xe, num_vfs, false);
pci_disable_sriov(pdev);
pf_reset_vfs(xe, num_vfs);