drm/vmwgfx: Add DXGenMips support

Add support for DXGenMips command.

Signed-off-by: Charmaine Lee <charmainel@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 5da5de0cb522..723ba16c6084 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3009,6 +3009,26 @@ out_unref:
         return ret;
 }
 
+/**
+ * vmw_cmd_dx_genmips - Validate an SVGA_3D_CMD_DX_GENMIPS 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_dx_genmips(struct vmw_private *dev_priv,
+                              struct vmw_sw_context *sw_context,
+                              SVGA3dCmdHeader *header)
+{
+        struct {
+                SVGA3dCmdHeader header;
+                SVGA3dCmdDXGenMips body;
+        } *cmd = container_of(header, typeof(*cmd), header);
+
+        return vmw_view_id_val_add(sw_context, vmw_view_sr,
+                                   cmd->body.shaderResourceViewId);
+}
+
 static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv,
                                 struct vmw_sw_context *sw_context,
                                 void *buf, uint32_t *size)
@@ -3297,7 +3317,7 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
                     &vmw_cmd_dx_clear_depthstencil_view, true, false, true),
         VMW_CMD_DEF(SVGA_3D_CMD_DX_PRED_COPY, &vmw_cmd_invalid,
                     true, false, true),
-        VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_invalid,
+        VMW_CMD_DEF(SVGA_3D_CMD_DX_GENMIPS, &vmw_cmd_dx_genmips,
                     true, false, true),
         VMW_CMD_DEF(SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE,
                     &vmw_cmd_dx_check_subresource, true, false, true),