Re: [PATCH] drm/bridge: cdns: remove set but not used variable 'bpp'

From: Neil Armstrong
Date: Mon Jan 06 2020 - 10:07:57 EST


On 26/12/2019 13:12, yu kuai wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/gpu/drm/bridge/cdns-dsi.c: In function
> âcdns_dsi_bridge_enableâ:
> drivers/gpu/drm/bridge/cdns-dsi.c:788:6: warning: variable âbppâ
> set but not used [-Wunused-but-set-variable]
>
> It is never used, and so can be removed.
>
> Signed-off-by: yu kuai <yukuai3@xxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/cdns-dsi.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
> index a6ab2d281a9b..b7c97f060241 100644
> --- a/drivers/gpu/drm/bridge/cdns-dsi.c
> +++ b/drivers/gpu/drm/bridge/cdns-dsi.c
> @@ -784,13 +784,12 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
> unsigned long tx_byte_period;
> struct cdns_dsi_cfg dsi_cfg;
> u32 tmp, reg_wakeup, div;
> - int bpp, nlanes;
> + int nlanes;
>
> if (WARN_ON(pm_runtime_get_sync(dsi->base.dev) < 0))
> return;
>
> mode = &bridge->encoder->crtc->state->adjusted_mode;
> - bpp = mipi_dsi_pixel_format_to_bpp(output->dev->format);
> nlanes = output->dev->lanes;
>
> WARN_ON_ONCE(cdns_dsi_check_conf(dsi, mode, &dsi_cfg, false));
>


Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>

and applying to drm-misc-next