drm/i915/gt: Pass the -EINVAL when emit_pte doesn't update any PTE
When emit_pte doesn't update any PTE with return value as 0, interpret it as -EINVAL. v2: Add missing goto [Thomas] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-5-ramalingam.c@intel.com
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