drm/vmwgfx: Add support for SVGA3dCmdIntraSurfaceCopy command

A new command to support Intra-Surface-Copy.

Signed-off-by: Neha Bhende <bhenden@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2d6efc36288f81be15b1c3e27a58510b9f9d09a1..8b8386cb9893060e86e61b120630d5e7d478bdbf 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3116,6 +3116,32 @@ static int vmw_cmd_dx_transfer_from_buffer(struct vmw_private *dev_priv,
                                 &cmd->body.destSid, NULL);
 }
 
+/**
+ * vmw_cmd_intra_surface_copy -
+ * Validate an SVGA_3D_CMD_INTRA_SURFACE_COPY command
+ *
+ * @dev_priv: Pointer to a device private struct.
+ * @sw_context: The software context being used for this batch.
+ * @header: Pointer to the command header in the command stream.
+ */
+static int vmw_cmd_intra_surface_copy(struct vmw_private *dev_priv,
+                                          struct vmw_sw_context *sw_context,
+                                          SVGA3dCmdHeader *header)
+{
+       struct {
+               SVGA3dCmdHeader header;
+               SVGA3dCmdIntraSurfaceCopy body;
+       } *cmd = container_of(header, typeof(*cmd), header);
+
+       if (!(dev_priv->capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY))
+               return -EINVAL;
+
+       return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
+                               user_surface_converter,
+                               &cmd->body.surface.sid, NULL);
+}
+
+
 static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
                                struct vmw_sw_context *sw_context,
                                void *buf, uint32_t *size)
@@ -3471,6 +3497,8 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
        VMW_CMD_DEF(SVGA_3D_CMD_DX_TRANSFER_FROM_BUFFER,
                    &vmw_cmd_dx_transfer_from_buffer,
                    true, false, true),
+       VMW_CMD_DEF(SVGA_3D_CMD_INTRA_SURFACE_COPY, &vmw_cmd_intra_surface_copy,
+                   true, false, true),
 };
 
 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)