[PATCH v4 1/3] drm/xe: Suspend/resume user access only during system s/r

[Vinod Govindapillai]

From: Imre Deak <imre.deak at intel.com>

Enable/Disable user access only during system suspend/resume.
This should not happen during runtime s/r

v2: rebased

Reviewed-by: Arun R Murthy <arun.r.murthy at intel.com>
Signed-off-by: Imre Deak <imre.deak at intel.com>
Signed-off-by: Vinod Govindapillai <vinod.govindapillai at intel.com>
---
 drivers/gpu/drm/xe/display/xe_display.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index 30dfdac9f6fa..ad7fc5137b42 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -323,7 +323,8 @@ void xe_display_pm_suspend(struct xe_device *xe, bool runtime)
 	intel_fbdev_set_suspend(&xe->drm, FBINFO_STATE_SUSPENDED, true);
 	if (has_display(xe)) {
 		drm_kms_helper_poll_disable(&xe->drm);
-		intel_display_driver_disable_user_access(xe);
+		if (!runtime)
+			intel_display_driver_disable_user_access(xe);
 	}
 
 	if (!runtime)
@@ -335,7 +336,7 @@ void xe_display_pm_suspend(struct xe_device *xe, bool runtime)
 
 	intel_hpd_cancel_work(xe);
 
-	if (has_display(xe))
+	if (!runtime && has_display(xe))
 		intel_display_driver_suspend_access(xe);
 
 	intel_encoder_suspend_all(&xe->display);
@@ -381,7 +382,7 @@ void xe_display_pm_resume(struct xe_device *xe, bool runtime)
 	intel_display_driver_init_hw(xe);
 	intel_hpd_init(xe);
 
-	if (has_display(xe))
+	if (!runtime && has_display(xe))
 		intel_display_driver_resume_access(xe);
 
 	/* MST sideband requires HPD interrupts enabled */
@@ -391,7 +392,8 @@ void xe_display_pm_resume(struct xe_device *xe, bool runtime)
 
 	if (has_display(xe)) {
 		drm_kms_helper_poll_enable(&xe->drm);
-		intel_display_driver_enable_user_access(xe);
+		if (!runtime)
+			intel_display_driver_enable_user_access(xe);
 	}
 	intel_hpd_poll_disable(xe);
 
-- 
2.34.1