drm/vmwgfx: Implement screen targets
Add support for the screen target device interface.
Add a getparam parameter and bump minor to signal availability.
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 7566a5a..6680aa6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -463,6 +463,11 @@
flags, color,
clips, num_clips,
inc, NULL);
+ else
+ ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv,
+ &vfbs->base,
+ clips, num_clips,
+ inc);
vmw_fifo_flush(dev_priv, false);
ttm_read_unlock(&dev_priv->reservation_sem);
@@ -636,6 +641,11 @@
flags, color,
clips, num_clips, increment,
NULL);
+ } else {
+ ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv,
+ &vfbd->base,
+ clips, num_clips,
+ increment);
}
vmw_fifo_flush(dev_priv, false);
@@ -999,8 +1009,6 @@
break;
}
- vmw_fifo_flush(dev_priv, false);
-
kfree(cmd);
out_free_tmp:
kfree(tmp);
@@ -1017,8 +1025,21 @@
struct drm_vmw_rect *clips,
uint32_t num_clips)
{
- return vmw_kms_generic_present(dev_priv, file_priv, vfb, surface, sid,
- destX, destY, clips, num_clips);
+ int ret;
+
+ if (dev_priv->active_display_unit == vmw_du_screen_target)
+ ret = vmw_kms_stdu_present(dev_priv, file_priv, vfb, sid,
+ destX, destY, clips, num_clips);
+ else
+ ret = vmw_kms_generic_present(dev_priv, file_priv, vfb,
+ surface, sid, destX, destY,
+ clips, num_clips);
+ if (ret)
+ return ret;
+
+ vmw_fifo_flush(dev_priv, false);
+
+ return 0;
}
int vmw_kms_readback(struct vmw_private *dev_priv,
@@ -1141,9 +1162,12 @@
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
- ret = vmw_kms_sou_init_display(dev_priv);
- if (ret) /* Fallback */
- ret = vmw_kms_ldu_init_display(dev_priv);
+ ret = vmw_kms_stdu_init_display(dev_priv);
+ if (ret) {
+ ret = vmw_kms_sou_init_display(dev_priv);
+ if (ret) /* Fallback */
+ ret = vmw_kms_ldu_init_display(dev_priv);
+ }
return ret;
}
@@ -1160,6 +1184,8 @@
drm_mode_config_cleanup(dev_priv->dev);
if (dev_priv->active_display_unit == vmw_du_screen_object)
ret = vmw_kms_sou_close_display(dev_priv);
+ else if (dev_priv->active_display_unit == vmw_du_screen_target)
+ ret = vmw_kms_stdu_close_display(dev_priv);
else
ret = vmw_kms_ldu_close_display(dev_priv);
@@ -1311,7 +1337,9 @@
uint32_t pitch,
uint32_t height)
{
- return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem;
+ return ((u64) pitch * (u64) height) < (u64)
+ ((dev_priv->active_display_unit == vmw_du_screen_target) ?
+ dev_priv->prim_bb_mem : dev_priv->vram_size);
}
@@ -1558,6 +1586,11 @@
if (dev_priv->active_display_unit == vmw_du_screen_object)
assumed_bpp = 4;
+ if (dev_priv->active_display_unit == vmw_du_screen_target) {
+ max_width = min(max_width, dev_priv->stdu_max_width);
+ max_height = min(max_height, dev_priv->stdu_max_height);
+ }
+
/* Add preferred mode */
mode = drm_mode_duplicate(dev, &prefmode);
if (!mode)
@@ -1674,6 +1707,19 @@
bounding_box.h = rects[i].y + rects[i].h;
}
+ /*
+ * For Screen Target Display Unit, all the displays must fit
+ * inside of maximum texture size.
+ */
+ if (dev_priv->active_display_unit == vmw_du_screen_target)
+ if (bounding_box.w > dev_priv->texture_max_width ||
+ bounding_box.h > dev_priv->texture_max_height) {
+ DRM_ERROR("Layout exceeds maximum texture size\n");
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+
vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
out_free: