drm/i915: Capture the overlay status upon a GPU hang.
v2: Add the interrupt status and address.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5cd593f..1510565 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -113,6 +113,9 @@
int enabled;
};
+struct intel_overlay;
+struct intel_overlay_error_state;
+
struct drm_i915_master_private {
drm_local_map_t *sarea;
struct _drm_i915_sarea *sarea_priv;
@@ -166,6 +169,7 @@
u32 purgeable:1;
} *active_bo;
u32 active_bo_count;
+ struct intel_overlay_error_state *overlay;
};
struct drm_i915_display_funcs {
@@ -186,8 +190,6 @@
/* clock gating init */
};
-struct intel_overlay;
-
struct intel_device_info {
u8 is_mobile : 1;
u8 is_i8xx : 1;
@@ -1069,6 +1071,10 @@
extern void intel_detect_pch (struct drm_device *dev);
extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
+/* overlay */
+extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
+extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
+
/**
* Lock test for when it's just for synchronization of ring access.
*