drm/xe: add some debug info for d3cold

From the CI logs we want to easily know if the machine is capable and
allowed to enter d3cold, and can therefore potentially trigger the
d3cold RPM suspend and resume path.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index b2e8774..b85193d 100644 (file)
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -778,6 +778,9 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        xe_pm_init(xe);
 
+       drm_dbg(&xe->drm, "d3cold: capable=%s\n",
+               str_yes_no(xe->d3cold.capable));
+
        return 0;
 }
 

diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index e31a91c..b429c28 100644 (file)
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -399,4 +399,7 @@ void xe_pm_d3cold_allowed_toggle(struct xe_device *xe)
                xe->d3cold.allowed = false;
 
        mutex_unlock(&xe->d3cold.lock);
+
+       drm_dbg(&xe->drm,
+               "d3cold: allowed=%s\n", str_yes_no(xe->d3cold.allowed));
 }