drm/i915/dram: return -EINVAL instead of -1

Avoid using the incidental -EPERM.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e2f79220ed2558f615c051e2533275a5dae1a04f.1633000838.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2021-09-30 14:24:36 +03:00
commit 7d8de8cabb