linux-kernel - Re: [PATCH 1/2] drm/fsl-dcu: remove separate compilation unit for fbdev emulation

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Message-ID: <b8f7fae3a1f6f8f572959af072a025eb@agner.ch>
Date:   Mon, 28 Nov 2016 18:36:24 -0800
From:   Stefan Agner <stefan@...er.ch>
To:     dri-devel@...ts.freedesktop.org
Cc:     airlied@...ux.ie, meng.yi@....com, alison.wang@...escale.com,
        linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: Re: [PATCH 1/2] drm/fsl-dcu: remove separate compilation unit for
 fbdev emulation

On 2016-11-16 17:35, Stefan Agner wrote:
> The separate file fsl_dcu_drm_fbdev.c only initialized fbdev
> emulation which is a one-line operation. There is not much more
> code on sight which justifies a separate file, hence call the
> initialization helper directly from the drv file.

Both applied to my for-next branch.


> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>
> ---
>  drivers/gpu/drm/fsl-dcu/Makefile            |  1 -
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c   |  2 +-
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h   |  1 -
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_fbdev.c | 23 -----------------------
>  4 files changed, 1 insertion(+), 26 deletions(-)
>  delete mode 100644 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_fbdev.c
> 
> diff --git a/drivers/gpu/drm/fsl-dcu/Makefile b/drivers/gpu/drm/fsl-dcu/Makefile
> index b35a292..aca34f6 100644
> --- a/drivers/gpu/drm/fsl-dcu/Makefile
> +++ b/drivers/gpu/drm/fsl-dcu/Makefile
> @@ -3,6 +3,5 @@ fsl-dcu-drm-y := fsl_dcu_drm_drv.o \
>  		 fsl_dcu_drm_rgb.o \
>  		 fsl_dcu_drm_plane.o \
>  		 fsl_dcu_drm_crtc.o \
> -		 fsl_dcu_drm_fbdev.o \
>  		 fsl_tcon.o
>  obj-$(CONFIG_DRM_FSL_DCU)	+= fsl-dcu-drm.o
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> index 13569b8..c3c9349 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> @@ -85,7 +85,7 @@ static int fsl_dcu_load(struct drm_device *dev,
> unsigned long flags)
>  		goto done;
>  	dev->irq_enabled = true;
>  
> -	fsl_dcu_fbdev_init(dev);
> +	fsl_dev->fbdev = drm_fbdev_cma_init(dev, 24, 1, 1);
>  
>  	return 0;
>  done:
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> index 3b371fe7..e9e9aee 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h
> @@ -197,7 +197,6 @@ struct fsl_dcu_drm_device {
>  	struct drm_atomic_state *state;
>  };
>  
> -void fsl_dcu_fbdev_init(struct drm_device *dev);
>  int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev);
>  
>  #endif /* __FSL_DCU_DRM_DRV_H__ */
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_fbdev.c
> b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_fbdev.c
> deleted file mode 100644
> index 8b8b819..0000000
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_fbdev.c
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -/*
> - * Copyright 2015 Freescale Semiconductor, Inc.
> - *
> - * Freescale DCU drm device driver
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - */
> -
> -#include <drm/drmP.h>
> -#include <drm/drm_fb_cma_helper.h>
> -
> -#include "fsl_dcu_drm_drv.h"
> -
> -/* initialize fbdev helper */
> -void fsl_dcu_fbdev_init(struct drm_device *dev)
> -{
> -	struct fsl_dcu_drm_device *fsl_dev = dev_get_drvdata(dev->dev);
> -
> -	fsl_dev->fbdev = drm_fbdev_cma_init(dev, 24, 1, 1);
> -}