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path: root/drivers/gpu/drm/xe/xe_pm.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_pm.c')
-rw-r--r--drivers/gpu/drm/xe/xe_pm.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index 53b3b0b01..944cf4d76 100644
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -54,13 +54,15 @@ int xe_pm_suspend(struct xe_device *xe)
u8 id;
int err;
+ drm_dbg(&xe->drm, "Suspending device\n");
+
for_each_gt(gt, xe, id)
xe_gt_suspend_prepare(gt);
/* FIXME: Super racey... */
err = xe_bo_evict_all(xe);
if (err)
- return err;
+ goto err;
xe_display_pm_suspend(xe);
@@ -68,7 +70,7 @@ int xe_pm_suspend(struct xe_device *xe)
err = xe_gt_suspend(gt);
if (err) {
xe_display_pm_resume(xe);
- return err;
+ goto err;
}
}
@@ -76,7 +78,11 @@ int xe_pm_suspend(struct xe_device *xe)
xe_display_pm_suspend_late(xe);
+ drm_dbg(&xe->drm, "Device suspended\n");
return 0;
+err:
+ drm_dbg(&xe->drm, "Device suspend failed %d\n", err);
+ return err;
}
/**
@@ -92,14 +98,14 @@ int xe_pm_resume(struct xe_device *xe)
u8 id;
int err;
+ drm_dbg(&xe->drm, "Resuming device\n");
+
for_each_tile(tile, xe, id)
xe_wa_apply_tile_workarounds(tile);
- for_each_gt(gt, xe, id) {
- err = xe_pcode_init(gt);
- if (err)
- return err;
- }
+ err = xe_pcode_ready(xe, true);
+ if (err)
+ return err;
xe_display_pm_resume_early(xe);
@@ -109,7 +115,7 @@ int xe_pm_resume(struct xe_device *xe)
*/
err = xe_bo_restore_kernel(xe);
if (err)
- return err;
+ goto err;
xe_irq_resume(xe);
@@ -120,9 +126,13 @@ int xe_pm_resume(struct xe_device *xe)
err = xe_bo_restore_user(xe);
if (err)
- return err;
+ goto err;
+ drm_dbg(&xe->drm, "Device resumed\n");
return 0;
+err:
+ drm_dbg(&xe->drm, "Device resume failed %d\n", err);
+ return err;
}
static bool xe_pm_pci_d3cold_capable(struct xe_device *xe)
@@ -310,11 +320,9 @@ int xe_pm_runtime_resume(struct xe_device *xe)
xe->d3cold.power_lost = xe_guc_in_reset(&gt->uc.guc);
if (xe->d3cold.allowed && xe->d3cold.power_lost) {
- for_each_gt(gt, xe, id) {
- err = xe_pcode_init(gt);
- if (err)
- goto out;
- }
+ err = xe_pcode_ready(xe, true);
+ if (err)
+ goto out;
/*
* This only restores pinned memory which is the memory