On Sun, Nov 10, 2019 at 04:40:59PM +0100, Hans de Goede wrote:
> Remove 2 bits of dead-code:
>
> 1) drm_mode_parse_command_line_for_connector() always gets called with a
> zero-ed drm_cmdline_mode struct and assumes so in most places, so there is
> no reason to set mode->specified to false if no mode_option is present.
>
Hm I'd keep that part, just for safety. It's not really a performance
critical path really ...
-Daniel
> 2) fb_get_options() will return fb_mode_option if no video=<connector-name>
> argument is present on the kernel commandline, so there is no need to also
> do this in drm_mode_parse_command_line_for_connector() as our only caller
> uses fb_get_options() to get the mode_option argument.
>
> Signed-off-by: Hans de Goede <hdego...@redhat.com>
> ---
> drivers/gpu/drm/drm_modes.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 119fed7ab815..0bf3cb8c08ff 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -1747,15 +1747,8 @@ bool drm_mode_parse_command_line_for_connector(const
> char *mode_option,
>
> mode->panel_orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
>
> -#ifdef CONFIG_FB
> if (!mode_option)
> - mode_option = fb_mode_option;
> -#endif
> -
> - if (!mode_option) {
> - mode->specified = false;
> return false;
> - }
>
> name = mode_option;
>
> --
> 2.23.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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