提交 e2b155e9 编写于 作者: C Chris Wilson 提交者: Joonas Lahtinen

drm/printer: Add drm_vprintf()

Simple va_args equivalent to the existing drm_printf() for use with the
drm_printer.

v2: Fixup kerneldoc to match final parameter names.
v3: Turn it into a kerneldoc comment
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: NDave Airlie <airlied@redhat.com>
Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171123084051.30203-1-chris@chris-wilson.co.uk
上级 f1781e9b
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......@@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
*/
void drm_printf(struct drm_printer *p, const char *f, ...)
{
struct va_format vaf;
va_list args;
va_start(args, f);
vaf.fmt = f;
vaf.va = &args;
p->printfn(p, &vaf);
drm_vprintf(p, f, &args);
va_end(args);
}
EXPORT_SYMBOL(drm_printf);
......
......@@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
__printf(2, 3)
void drm_printf(struct drm_printer *p, const char *f, ...);
/**
* drm_vprintf - print to a &drm_printer stream
* @p: the &drm_printer
* @fmt: format string
* @va: the va_list
*/
__printf(2, 0)
static inline void
drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
{
struct va_format vaf = { .fmt = fmt, .va = va };
p->printfn(p, &vaf);
}
/**
* drm_printf_indent - Print to a &drm_printer stream with indentation
* @printer: DRM printer
......
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