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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2ff7ba04d8c8..33533d126277 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -2010,6 +2010,11 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
return 0;
if (cmd->body.shid != SVGA3D_INVALID_ID) {
+ /*
+ * This is the compat shader path - Per device guest-backed
+ * shaders, but user-space thinks it's per context host-
+ * backed shaders.
+ */
res = vmw_shader_lookup(vmw_context_res_man(ctx),
cmd->body.shid, cmd->body.type);
if (!IS_ERR(res)) {
@@ -2017,6 +2022,14 @@ static int vmw_cmd_set_shader(struct vmw_private *dev_priv,
VMW_RES_DIRTY_NONE);
if (unlikely(ret != 0))
return ret;
+
+ ret = vmw_resource_relocation_add
+ (sw_context, res,
+ vmw_ptr_diff(sw_context->buf_start,
+ &cmd->body.shid),
+ vmw_res_rel_normal);
+ if (unlikely(ret != 0))
+ return ret;
}
}
@@ -2193,7 +2206,8 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv,
cmd = container_of(header, typeof(*cmd), header);
- if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) {
+ if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX ||
+ cmd->body.type < SVGA3D_SHADERTYPE_MIN) {
VMW_DEBUG_USER("Illegal shader type %u.\n",
(unsigned int) cmd->body.type);
return -EINVAL;
@@ -2414,6 +2428,10 @@ static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
return -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
+ if (unlikely(cmd->sid == SVGA3D_INVALID_ID)) {
+ VMW_DEBUG_USER("Invalid surface id.\n");
+ return -EINVAL;
+ }
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
VMW_RES_DIRTY_NONE, user_surface_converter,
&cmd->sid, &srf);