Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux

[cascardo/linux.git] / drivers / gpu / drm / qxl / qxl_display.c

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 3aef127..a61c0d4 100644 (file)
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -211,6 +211,7 @@ static void qxl_crtc_destroy(struct drm_crtc *crtc)
        struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
 
        drm_crtc_cleanup(crtc);
+       qxl_bo_unref(&qxl_crtc->cursor_bo);
        kfree(qxl_crtc);
 }
 
@@ -296,6 +297,52 @@ qxl_hide_cursor(struct qxl_device *qdev)
        return 0;
 }
 
+static int qxl_crtc_apply_cursor(struct drm_crtc *crtc)
+{
+       struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+       struct drm_device *dev = crtc->dev;
+       struct qxl_device *qdev = dev->dev_private;
+       struct qxl_cursor_cmd *cmd;
+       struct qxl_release *release;
+       int ret = 0;
+
+       if (!qcrtc->cursor_bo)
+               return 0;
+
+       ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
+                                        QXL_RELEASE_CURSOR_CMD,
+                                        &release, NULL);
+       if (ret)
+               return ret;
+
+       ret = qxl_release_list_add(release, qcrtc->cursor_bo);
+       if (ret)
+               goto out_free_release;
+
+       ret = qxl_release_reserve_list(release, false);
+       if (ret)
+               goto out_free_release;
+
+       cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
+       cmd->type = QXL_CURSOR_SET;
+       cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
+       cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
+
+       cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
+
+       cmd->u.set.visible = 1;
+       qxl_release_unmap(qdev, release, &cmd->release_info);
+
+       qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+       qxl_release_fence_buffer_objects(release);
+
+       return ret;
+
+out_free_release:
+       qxl_release_free(qdev, release);
+       return ret;
+}
+
 static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
                                struct drm_file *file_priv,
                                uint32_t handle,
@@ -400,7 +447,8 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
        }
        drm_gem_object_unreference_unlocked(obj);
 
-       qxl_bo_unref(&cursor_bo);
+       qxl_bo_unref (&qcrtc->cursor_bo);
+       qcrtc->cursor_bo = cursor_bo;
 
        return ret;
 
@@ -655,6 +703,12 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
                           bo->surf.stride, bo->surf.format);
                qxl_io_create_primary(qdev, 0, bo);
                bo->is_primary = true;
+
+               ret = qxl_crtc_apply_cursor(crtc);
+               if (ret) {
+                       DRM_ERROR("could not set cursor after modeset");
+                       ret = 0;
+               }
        }
 
        if (bo->is_primary) {