drm/i915: implement interruptible sleeps in the overlay code

[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / intel_drv.h

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5b503cb..4972405 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -127,8 +127,13 @@ struct intel_overlay {
        struct drm_i915_gem_object *reg_bo;
        void *virt_addr;
        /* flip handling */
-       int hw_wedged;
        uint32_t last_flip_req;
+       int hw_wedged;
+#define HW_WEDGED              1
+#define NEEDS_WAIT_FOR_FLIP    2
+#define RELEASE_OLD_VID                3
+#define SWITCH_OFF_STAGE_1     4
+#define SWITCH_OFF_STAGE_2     5
 };
 
 struct intel_crtc {
@@ -209,6 +214,8 @@ extern int intel_framebuffer_create(struct drm_device *dev,
 extern void intel_setup_overlay(struct drm_device *dev);
 extern void intel_cleanup_overlay(struct drm_device *dev);
 extern int intel_overlay_switch_off(struct intel_overlay *overlay);
+extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
+                                               int interruptible);
 extern int intel_overlay_put_image(struct drm_device *dev, void *data,
                                   struct drm_file *file_priv);
 extern int intel_overlay_attrs(struct drm_device *dev, void *data,