drm/radeon/kms: add gui_idle callback
Check to see if the GUI engine and related blocks
(2D, 3D, CP, etc) are idle or not. There are a number
of cases when we need to know if the drawing engine
is busy.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ab29d97..bb4a2a6 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -803,6 +803,7 @@
* through ring.
*/
void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
+ bool (*gui_idle)(struct radeon_device *rdev);
};
/*
@@ -1209,6 +1210,7 @@
#define radeon_hpd_fini(rdev) (rdev)->asic->hpd_fini((rdev))
#define radeon_hpd_sense(rdev, hpd) (rdev)->asic->hpd_sense((rdev), (hpd))
#define radeon_hpd_set_polarity(rdev, hpd) (rdev)->asic->hpd_set_polarity((rdev), (hpd))
+#define radeon_gui_idle(rdev) (rdev)->asic->gui_idle((rdev))
/* Common functions */
/* AGP */