[Intel-gfx] [PATCH] drm/i915: fix open-coded DIV_ROUND_UP

[Jani Nikula]

On Sat, 19 Oct 2013, Paulo Zanoni <przanoni at gmail.com> wrote:
> From: Paulo Zanoni <paulo.r.zanoni at intel.com>
>
> Use the nice Kernel macro, it makes the code much more readable.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gem.c    | 2 +-
>  drivers/gpu/drm/i915/intel_fbdev.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 34df59b..e7b39d7 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -261,7 +261,7 @@ i915_gem_dumb_create(struct drm_file *file,
>  		     struct drm_mode_create_dumb *args)
>  {
>  	/* have to work out size/pitch and return them */
> -	args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
> +	args->pitch = ALIGN(args->width * DIV_ROUND_UP(args->bpp, 8), 64);
>  	args->size = args->pitch * args->height;
>  	return i915_gem_create(file, dev,
>  			       args->size, &args->handle);
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> index acc8395..895fcb4 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -78,8 +78,8 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  	mode_cmd.width = sizes->surface_width;
>  	mode_cmd.height = sizes->surface_height;
>  
> -	mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) /
> -						      8), 64);
> +	mode_cmd.pitches[0] = ALIGN(mode_cmd.width *
> +				    DIV_ROUND_UP(sizes->surface_bpp, 8), 64);
>  	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
>  							  sizes->surface_depth);
>  
> -- 
> 1.8.4.rc3
>
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-- 
Jani Nikula, Intel Open Source Technology Center