Message ID | 20240924073646.1036150-3-chris.chiu@canonical.com |
---|---|
State | New |
Headers | show |
Series | Fix blank screen on external display after reconnecting the USB type-C | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h b/drivers/gpu/drm/i915/display/intel_display_core.h index 47297ed85822..0a25f21f7922 100644 --- a/drivers/gpu/drm/i915/display/intel_display_core.h +++ b/drivers/gpu/drm/i915/display/intel_display_core.h @@ -271,6 +271,9 @@ struct intel_wm { }; struct intel_display { + /* drm device backpointer */ + struct drm_device *drm; + /* Display functions */ struct { /* Top level crtc-ish functions */ diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index 0b522c6a8d6f..bbb6fb581003 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -922,6 +922,9 @@ void intel_display_device_probe(struct drm_i915_private *i915) const struct intel_display_device_info *info; u16 ver, rel, step; + /* Add drm device backpointer as early as possible. */ + i915->display.drm = &i915->drm; + if (HAS_GMD_ID(i915)) info = probe_gmdid_display(i915, &ver, &rel, &step); else