* [PATCH] drivers/video/fbdev/atyfb: make const arrays static, reduces object code size @ 2017-09-13 15:03 ` Colin King 2017-10-12 15:26 ` Bartlomiej Zolnierkiewicz 0 siblings, 1 reply; 2+ messages in thread From: Colin King @ 2017-09-13 15:03 UTC (permalink / raw) To: Bartlomiej Zolnierkiewicz, linux-fbdev; +Cc: linux-kernel From: Colin Ian King <colin.king@canonical.com> Don't populate the const arrays ragepro_tbl and ragexl_tbl on the stack, instead make them static. Makes the object code smaller by over 380 bytes: Before: text data bss dec hex filename 41089 10592 768 52449 cce1 atyfb_base.o After: text data bss dec hex filename 40544 10752 768 52064 cb60 atyfb_base.o (gcc version 7.2.0, x86_64) Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/video/fbdev/aty/atyfb_base.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index 3ec72f19114b..a9a8272f7a6e 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -2272,10 +2272,10 @@ static void aty_bl_exit(struct backlight_device *bd) static void aty_calc_mem_refresh(struct atyfb_par *par, int xclk) { - const int ragepro_tbl[] = { + static const int ragepro_tbl[] = { 44, 50, 55, 66, 75, 80, 100 }; - const int ragexl_tbl[] = { + static const int ragexl_tbl[] = { 50, 66, 75, 83, 90, 95, 100, 105, 110, 115, 120, 125, 133, 143, 166 }; -- 2.14.1 ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] drivers/video/fbdev/atyfb: make const arrays static, reduces object code size 2017-09-13 15:03 ` [PATCH] drivers/video/fbdev/atyfb: make const arrays static, reduces object code size Colin King @ 2017-10-12 15:26 ` Bartlomiej Zolnierkiewicz 0 siblings, 0 replies; 2+ messages in thread From: Bartlomiej Zolnierkiewicz @ 2017-10-12 15:26 UTC (permalink / raw) To: Colin King; +Cc: linux-fbdev, dri-devel, linux-kernel On Wednesday, September 13, 2017 04:03:09 PM Colin King wrote: > From: Colin Ian King <colin.king@canonical.com> > > Don't populate the const arrays ragepro_tbl and ragexl_tbl on the stack, > instead make them static. Makes the object code smaller by over 380 bytes: > > Before: > text data bss dec hex filename > 41089 10592 768 52449 cce1 atyfb_base.o > > After: > text data bss dec hex filename > 40544 10752 768 52064 cb60 atyfb_base.o > > (gcc version 7.2.0, x86_64) > > Signed-off-by: Colin Ian King <colin.king@canonical.com> Patch queued for 4.15 (with patch description fixed to "video: fbdev: aty: ..." for consistency with other patches), thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics ^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-09-13 15:03 ` [PATCH] drivers/video/fbdev/atyfb: make const arrays static, reduces object code size Colin King
2017-10-12 15:26 ` Bartlomiej Zolnierkiewicz
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