From: Paulo Zanoni <[email protected]>

Otherwise we may get WARNs saying we're writing registers while
runtime suspended.

Testcase: igt/pm_rpm/universal-planes
Testcase: igt/pm_rpm/universal-planes-dpms
Cc: [email protected]
Signed-off-by: Paulo Zanoni <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index f1a9b5c..5948207 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11531,7 +11531,9 @@ intel_primary_plane_setplane(struct drm_plane *plane, 
struct drm_crtc *crtc,
                                  INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe));
 
                /* Pin and return without programming hardware */
+               intel_runtime_pm_get(dev_priv);
                ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
+               intel_runtime_pm_put(dev_priv);
                mutex_unlock(&dev->struct_mutex);
 
                return ret;
@@ -11553,7 +11555,9 @@ intel_primary_plane_setplane(struct drm_plane *plane, 
struct drm_crtc *crtc,
                 * fail.
                 */
                if (plane->fb != fb) {
+                       intel_runtime_pm_get(dev_priv);
                        ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
+                       intel_runtime_pm_put(dev_priv);
                        if (ret) {
                                mutex_unlock(&dev->struct_mutex);
                                return ret;
-- 
2.0.1

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