drm/i915/gvt: return error on cmd access
If a register is not cmd accessible, should not just print error message. Return error here so as not to deliver this cmd. v2: return -EBADRQC to align with return value elsewhere. (kevin tian) Signed-off-by: Zhao Yan <yan.y.zhao@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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@ -874,7 +874,7 @@ static int cmd_reg_handler(struct parser_exec_state *s,
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if (!intel_gvt_mmio_is_cmd_access(gvt, offset)) {
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gvt_vgpu_err("%s access to non-render register (%x)\n",
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cmd, offset);
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return 0;
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return -EBADRQC;
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}
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if (is_shadowed_mmio(offset)) {
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