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drm/i915/params: use generics for parameter printing

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Replace the __builtin_strcmp() if ladder with generics.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230118151800.3669913-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2023-01-18 17:17:57 +02:00
parent acc855d301
commit bfe7586b11
1 changed files with 36 additions and 19 deletions
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55
drivers/gpu/drm/i915/i915_params.c
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@ -222,27 +222,44 @@ i915_param_named_unsafe(lmem_size, uint, 0400,
i915_param_named_unsafe(lmem_bar_size, uint, 0400,
"Set the lmem bar size(in MiB).");
static __always_inline void _print_param(struct drm_printer *p,
const char *name,
const char *type,
const void *x)
static void _param_print_bool(struct drm_printer *p, const char *name,
bool val)
{
if (!__builtin_strcmp(type, "bool"))
drm_printf(p, "i915.%s=%s\n", name,
str_yes_no(*(const bool *)x));
else if (!__builtin_strcmp(type, "int"))
drm_printf(p, "i915.%s=%d\n", name, *(const int *)x);
else if (!__builtin_strcmp(type, "unsigned int"))
drm_printf(p, "i915.%s=%u\n", name, *(const unsigned int *)x);
else if (!__builtin_strcmp(type, "unsigned long"))
drm_printf(p, "i915.%s=%lu\n", name, *(const unsigned long *)x);
else if (!__builtin_strcmp(type, "char *"))
drm_printf(p, "i915.%s=%s\n", name, *(const char **)x);
else
WARN_ONCE(1, "no printer defined for param type %s (i915.%s)\n",
type, name);
drm_printf(p, "i915.%s=%s\n", name, str_yes_no(val));
}
static void _param_print_int(struct drm_printer *p, const char *name,
int val)
{
drm_printf(p, "i915.%s=%d\n", name, val);
}
static void _param_print_uint(struct drm_printer *p, const char *name,
unsigned int val)
{
drm_printf(p, "i915.%s=%u\n", name, val);
}
static void _param_print_ulong(struct drm_printer *p, const char *name,
unsigned long val)
{
drm_printf(p, "i915.%s=%lu\n", name, val);
}
static void _param_print_charp(struct drm_printer *p, const char *name,
const char *val)
{
drm_printf(p, "i915.%s=%s\n", name, val);
}
#define _param_print(p, name, val) \
_Generic(val, \
bool: _param_print_bool, \
int: _param_print_int, \
unsigned int: _param_print_uint, \
unsigned long: _param_print_ulong, \
char *: _param_print_charp)(p, name, val)
/**
* i915_params_dump - dump i915 modparams
* @params: i915 modparams
@ -252,7 +269,7 @@ static __always_inline void _print_param(struct drm_printer *p,
*/
void i915_params_dump(const struct i915_params *params, struct drm_printer *p)
{
#define PRINT(T, x, ...) _print_param(p, #x, #T, &params->x);
#define PRINT(T, x, ...) _param_print(p, #x, params->x);
I915_PARAMS_FOR_EACH(PRINT);
#undef PRINT
}