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* [PATCH -next] drm/bridge: cdns: Remove set but not used variable 'bpp'
@ 2019-02-16  7:34 YueHaibing
  2019-02-21 23:30 ` Laurent Pinchart
  0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2019-02-16  7:34 UTC (permalink / raw)
  To: Andrzej Hajda, Laurent Pinchart, David Airlie, Daniel Vetter
  Cc: YueHaibing, dri-devel, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/bridge/cdns-dsi.c: In function 'cdns_dsi_bridge_enable':
drivers/gpu/drm/bridge/cdns-dsi.c:986:6: warning:
 variable 'bpp' set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 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 6166dca6be81..07ee1685fdfe 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -785,13 +785,12 @@ 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));

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH -next] drm/bridge: cdns: Remove set but not used variable 'bpp'
  2019-02-16  7:34 [PATCH -next] drm/bridge: cdns: Remove set but not used variable 'bpp' YueHaibing
@ 2019-02-21 23:30 ` Laurent Pinchart
  0 siblings, 0 replies; 2+ messages in thread
From: Laurent Pinchart @ 2019-02-21 23:30 UTC (permalink / raw)
  To: YueHaibing; +Cc: David Airlie, kernel-janitors, linux-kernel, dri-devel

Hi YueHaibing,

Thank you for the patch.

On Sat, Feb 16, 2019 at 07:34:59AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/bridge/cdns-dsi.c: In function 'cdns_dsi_bridge_enable':
> drivers/gpu/drm/bridge/cdns-dsi.c:986:6: warning:
>  variable 'bpp' set but not used [-Wunused-but-set-variable]
> 
> It never used since introduction.
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  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 6166dca6be81..07ee1685fdfe 100644
> --- a/drivers/gpu/drm/bridge/cdns-dsi.c
> +++ b/drivers/gpu/drm/bridge/cdns-dsi.c
> @@ -785,13 +785,12 @@ 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));

-- 
Regards,

Laurent Pinchart

^ permalink raw reply	[flat|nested] 2+ messages in thread

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