linux-kernel - Re: [PATCH] video: fbdev: vt8623fb: Constify static vga

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Date:   Fri, 10 Jul 2020 16:26:23 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Rikard Falkeborn <rikard.falkeborn@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: fbdev: vt8623fb: Constify static vga_regsets


On 7/1/20 11:02 PM, Rikard Falkeborn wrote:
> These are not modified so make them const to allow the compiler to put
> them in read-only memory.
> 
> Before:
>    text    data     bss     dec     hex filename
>   25509    7928      64   33501    82dd drivers/video/fbdev/vt8623fb.o
> 
> After:
>    text    data     bss     dec     hex filename
>   26533    6904      64   33501    82dd drivers/video/fbdev/vt8623fb.o
> 
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>

Applied to drm-misc-next tree, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
>  drivers/video/fbdev/vt8623fb.c | 36 +++++++++++++++++-----------------
>  1 file changed, 18 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c
> index 7b3eef1b893f..98ff8235c9e9 100644
> --- a/drivers/video/fbdev/vt8623fb.c
> +++ b/drivers/video/fbdev/vt8623fb.c
> @@ -62,24 +62,24 @@ static const struct svga_pll vt8623_pll = {2, 127, 2, 7, 0, 3,
>  
>  /* CRT timing register sets */
>  
> -static struct vga_regset vt8623_h_total_regs[]       = {{0x00, 0, 7}, {0x36, 3, 3}, VGA_REGSET_END};
> -static struct vga_regset vt8623_h_display_regs[]     = {{0x01, 0, 7}, VGA_REGSET_END};
> -static struct vga_regset vt8623_h_blank_start_regs[] = {{0x02, 0, 7}, VGA_REGSET_END};
> -static struct vga_regset vt8623_h_blank_end_regs[]   = {{0x03, 0, 4}, {0x05, 7, 7}, {0x33, 5, 5}, VGA_REGSET_END};
> -static struct vga_regset vt8623_h_sync_start_regs[]  = {{0x04, 0, 7}, {0x33, 4, 4}, VGA_REGSET_END};
> -static struct vga_regset vt8623_h_sync_end_regs[]    = {{0x05, 0, 4}, VGA_REGSET_END};
> -
> -static struct vga_regset vt8623_v_total_regs[]       = {{0x06, 0, 7}, {0x07, 0, 0}, {0x07, 5, 5}, {0x35, 0, 0}, VGA_REGSET_END};
> -static struct vga_regset vt8623_v_display_regs[]     = {{0x12, 0, 7}, {0x07, 1, 1}, {0x07, 6, 6}, {0x35, 2, 2}, VGA_REGSET_END};
> -static struct vga_regset vt8623_v_blank_start_regs[] = {{0x15, 0, 7}, {0x07, 3, 3}, {0x09, 5, 5}, {0x35, 3, 3}, VGA_REGSET_END};
> -static struct vga_regset vt8623_v_blank_end_regs[]   = {{0x16, 0, 7}, VGA_REGSET_END};
> -static struct vga_regset vt8623_v_sync_start_regs[]  = {{0x10, 0, 7}, {0x07, 2, 2}, {0x07, 7, 7}, {0x35, 1, 1}, VGA_REGSET_END};
> -static struct vga_regset vt8623_v_sync_end_regs[]    = {{0x11, 0, 3}, VGA_REGSET_END};
> -
> -static struct vga_regset vt8623_offset_regs[]        = {{0x13, 0, 7}, {0x35, 5, 7}, VGA_REGSET_END};
> -static struct vga_regset vt8623_line_compare_regs[]  = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, {0x33, 0, 2}, {0x35, 4, 4}, VGA_REGSET_END};
> -static struct vga_regset vt8623_fetch_count_regs[]   = {{0x1C, 0, 7}, {0x1D, 0, 1}, VGA_REGSET_END};
> -static struct vga_regset vt8623_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x34, 0, 7}, {0x48, 0, 1}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_total_regs[]       = {{0x00, 0, 7}, {0x36, 3, 3}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_display_regs[]     = {{0x01, 0, 7}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_blank_start_regs[] = {{0x02, 0, 7}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_blank_end_regs[]   = {{0x03, 0, 4}, {0x05, 7, 7}, {0x33, 5, 5}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_sync_start_regs[]  = {{0x04, 0, 7}, {0x33, 4, 4}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_h_sync_end_regs[]    = {{0x05, 0, 4}, VGA_REGSET_END};
> +
> +static const struct vga_regset vt8623_v_total_regs[]       = {{0x06, 0, 7}, {0x07, 0, 0}, {0x07, 5, 5}, {0x35, 0, 0}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_v_display_regs[]     = {{0x12, 0, 7}, {0x07, 1, 1}, {0x07, 6, 6}, {0x35, 2, 2}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_v_blank_start_regs[] = {{0x15, 0, 7}, {0x07, 3, 3}, {0x09, 5, 5}, {0x35, 3, 3}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_v_blank_end_regs[]   = {{0x16, 0, 7}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_v_sync_start_regs[]  = {{0x10, 0, 7}, {0x07, 2, 2}, {0x07, 7, 7}, {0x35, 1, 1}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_v_sync_end_regs[]    = {{0x11, 0, 3}, VGA_REGSET_END};
> +
> +static const struct vga_regset vt8623_offset_regs[]        = {{0x13, 0, 7}, {0x35, 5, 7}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_line_compare_regs[]  = {{0x18, 0, 7}, {0x07, 4, 4}, {0x09, 6, 6}, {0x33, 0, 2}, {0x35, 4, 4}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_fetch_count_regs[]   = {{0x1C, 0, 7}, {0x1D, 0, 1}, VGA_REGSET_END};
> +static const struct vga_regset vt8623_start_address_regs[] = {{0x0d, 0, 7}, {0x0c, 0, 7}, {0x34, 0, 7}, {0x48, 0, 1}, VGA_REGSET_END};
>  
>  static const struct svga_timing_regs vt8623_timing_regs     = {
>  	vt8623_h_total_regs, vt8623_h_display_regs, vt8623_h_blank_start_regs,
>