vmwgfx: Major KMS refactoring / cleanup in preparation of screen targets

[cascardo/linux.git] / drivers / gpu / drm / vmwgfx / vmwgfx_ldu.c

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 53579f2..f0fd565 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -57,7 +57,7 @@ struct vmw_legacy_display_unit {
 static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
 {
        list_del_init(&ldu->active);
-       vmw_display_unit_cleanup(&ldu->base);
+       vmw_du_cleanup(&ldu->base);
        kfree(ldu);
 }
 
@@ -386,7 +386,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
        return 0;
 }
 
-int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
+int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
 {
        struct drm_device *dev = dev_priv->dev;
        int i, ret;
@@ -423,6 +423,10 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
        else
                vmw_ldu_init(dev_priv, 0);
 
+       dev_priv->active_display_unit = vmw_du_legacy;
+
+       DRM_INFO("Legacy Display Unit initialized\n");
+
        return 0;
 
 err_vblank_cleanup:
@@ -433,7 +437,7 @@ err_free:
        return ret;
 }
 
-int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
+int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
 {
        struct drm_device *dev = dev_priv->dev;
 
@@ -448,3 +452,38 @@ int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
 
        return 0;
 }
+
+
+int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
+                               struct vmw_framebuffer *framebuffer,
+                               unsigned flags, unsigned color,
+                               struct drm_clip_rect *clips,
+                               unsigned num_clips, int increment)
+{
+       size_t fifo_size;
+       int i;
+
+       struct {
+               uint32_t header;
+               SVGAFifoCmdUpdate body;
+       } *cmd;
+
+       fifo_size = sizeof(*cmd) * num_clips;
+       cmd = vmw_fifo_reserve(dev_priv, fifo_size);
+       if (unlikely(cmd == NULL)) {
+               DRM_ERROR("Fifo reserve failed.\n");
+               return -ENOMEM;
+       }
+
+       memset(cmd, 0, fifo_size);
+       for (i = 0; i < num_clips; i++, clips += increment) {
+               cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
+               cmd[i].body.x = cpu_to_le32(clips->x1);
+               cmd[i].body.y = cpu_to_le32(clips->y1);
+               cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
+               cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
+       }
+
+       vmw_fifo_commit(dev_priv, fifo_size);
+       return 0;
+}