Everything is evicted from VRAM before suspend, so we need to make
sure all BOs are unpinned and re-pinned after resume. Fixes broken
mouse cursor after resume introduced by commit b9729b17.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100541
Cc: [email protected]
Signed-off-by: Grigori Goronzy <[email protected]>
---
 drivers/gpu/drm/radeon/radeon_device.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_device.c 
b/drivers/gpu/drm/radeon/radeon_device.c
index 14deeae..dddd5df 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1578,6 +1578,20 @@ int radeon_suspend_kms(struct drm_device *dev, bool 
suspend, bool fbcon)
                drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
        }
 
+       /* unpin cursors */
+       list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+               struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+               if (radeon_crtc->cursor_bo) {
+                       struct radeon_bo *robj = 
gem_to_radeon_bo(radeon_crtc->cursor_bo);
+                       r = radeon_bo_reserve(robj, false);
+                       if (r == 0) {
+                               radeon_bo_unpin(robj);
+                               radeon_bo_unreserve(robj);
+                       }
+               }
+       }
+
        /* unpin the front buffers */
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                struct radeon_framebuffer *rfb = 
to_radeon_framebuffer(crtc->primary->fb);
-- 
1.9.1

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