1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 2d5f2bfa7201..f57480ba1355 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -661,6 +661,13 @@ struct radeon_asic {
         void (*hpd_fini)(struct radeon_device *rdev);
         bool (*hpd_sense)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
         void (*hpd_set_polarity)(struct radeon_device *rdev, enum radeon_hpd_id hpd);
+        /* ioctl hw specific callback. Some hw might want to perform special
+         * operation on specific ioctl. For instance on wait idle some hw
+         * might want to perform and HDP flush through MMIO as it seems that
+         * some R6XX/R7XX hw doesn't take HDP flush into account if programmed
+         * through ring.
+         */
+        void (*ioctl_wait_idle)(struct radeon_device *rdev, struct radeon_bo *bo);
 };
 
 /*
@@ -1143,6 +1150,7 @@ extern bool r600_card_posted(struct radeon_device *rdev);
 extern void r600_cp_stop(struct radeon_device *rdev);
 extern void r600_ring_init(struct radeon_device *rdev, unsigned ring_size);
 extern int r600_cp_resume(struct radeon_device *rdev);
+extern void r600_cp_fini(struct radeon_device *rdev);
 extern int r600_count_pipe_bits(uint32_t val);
 extern int r600_gart_clear_page(struct radeon_device *rdev, int i);
 extern int r600_mc_wait_for_idle(struct radeon_device *rdev);