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drm/i915/params: support bool values for int and uint params

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It's not uncommon for us to switch param types between bools and ints,
often having otherwise bool semantics but -1 value for platform
default. Allow bool values (such as YyNn) for ints.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c945ac7b08e0eb0827cf647609885f4abdb84f1d.1575560168.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2019-12-05 17:43:41 +02:00
parent c43c5a8818
commit a267ab8dec
1 changed files with 16 additions and 0 deletions
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16
drivers/gpu/drm/i915/i915_debugfs_params.c
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@@ -32,6 +32,14 @@ static ssize_t i915_param_int_write(struct file *file,
int ret;
ret = kstrtoint_from_user(ubuf, len, 0, value);
if (ret) {
/* support boolean values too */
bool b;
ret = kstrtobool_from_user(ubuf, len, &b);
if (!ret)
*value = b;
}
return ret ?: len;
}
@@ -77,6 +85,14 @@ static ssize_t i915_param_uint_write(struct file *file,
int ret;
ret = kstrtouint_from_user(ubuf, len, 0, value);
if (ret) {
/* support boolean values too */
bool b;
ret = kstrtobool_from_user(ubuf, len, &b);
if (!ret)
*value = b;
}
return ret ?: len;
}