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* [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size
@ 2018-09-04 15:23 Colin King
  2019-01-24 17:26 ` Colin Ian King
  0 siblings, 1 reply; 4+ messages in thread
From: Colin King @ 2018-09-04 15:23 UTC (permalink / raw)
  To: Ben Skeggs, David Airlie, dri-devel, nouveau
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

Don't populate the array vsoff on the stack but instead make it
static. Makes the object code smaller by 67 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
   5753	    112	      0	   5865	   16e9	.../nouveau/nvkm/subdev/bios/dp.o

After:
   text	   data	    bss	    dec	    hex	filename
   5622	    176	      0	   5798	   16a6	.../nouveau/nvkm/subdev/bios/dp.o

(gcc version 8.2.0 x86_64)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
index 3133b28f849c..b099d1209be8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
@@ -212,7 +212,7 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
 	u16 data;
 
 	if (*ver >= 0x30) {
-		const u8 vsoff[] = { 0, 4, 7, 9 };
+		static const u8 vsoff[] = { 0, 4, 7, 9 };
 		idx = (pc * 10) + vsoff[vs] + pe;
 		if (*ver >= 0x40 && *ver <= 0x41 && *hdr >= 0x12)
 			idx += nvbios_rd08(bios, outp + 0x11) * 40;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size
  2018-09-04 15:23 [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size Colin King
@ 2019-01-24 17:26 ` Colin Ian King
  2019-01-24 22:05   ` Ben Skeggs
  0 siblings, 1 reply; 4+ messages in thread
From: Colin Ian King @ 2019-01-24 17:26 UTC (permalink / raw)
  To: Ben Skeggs, David Airlie, dri-devel, nouveau
  Cc: kernel-janitors, linux-kernel

ping?

On 04/09/2018 16:23, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Don't populate the array vsoff on the stack but instead make it
> static. Makes the object code smaller by 67 bytes:
> 
> Before:
>    text	   data	    bss	    dec	    hex	filename
>    5753	    112	      0	   5865	   16e9	.../nouveau/nvkm/subdev/bios/dp.o
> 
> After:
>    text	   data	    bss	    dec	    hex	filename
>    5622	    176	      0	   5798	   16a6	.../nouveau/nvkm/subdev/bios/dp.o
> 
> (gcc version 8.2.0 x86_64)
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> index 3133b28f849c..b099d1209be8 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> @@ -212,7 +212,7 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
>  	u16 data;
>  
>  	if (*ver >= 0x30) {
> -		const u8 vsoff[] = { 0, 4, 7, 9 };
> +		static const u8 vsoff[] = { 0, 4, 7, 9 };
>  		idx = (pc * 10) + vsoff[vs] + pe;
>  		if (*ver >= 0x40 && *ver <= 0x41 && *hdr >= 0x12)
>  			idx += nvbios_rd08(bios, outp + 0x11) * 40;
> 


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size
  2019-01-24 17:26 ` Colin Ian King
@ 2019-01-24 22:05   ` Ben Skeggs
  0 siblings, 0 replies; 4+ messages in thread
From: Ben Skeggs @ 2019-01-24 22:05 UTC (permalink / raw)
  To: Colin Ian King; +Cc: David Airlie, dri-devel, nouveau, kernel-janitors, LKML

On Fri, Jan 25, 2019 at 3:26 AM Colin Ian King <colin.king@canonical.com> wrote:
>
> ping?
I've pushed this, and the others you pinged about, to my tree.

Thank you,
Ben.

>
> On 04/09/2018 16:23, Colin King wrote:
> > From: Colin Ian King <colin.king@canonical.com>
> >
> > Don't populate the array vsoff on the stack but instead make it
> > static. Makes the object code smaller by 67 bytes:
> >
> > Before:
> >    text          data     bss     dec     hex filename
> >    5753           112       0    5865    16e9 .../nouveau/nvkm/subdev/bios/dp.o
> >
> > After:
> >    text          data     bss     dec     hex filename
> >    5622           176       0    5798    16a6 .../nouveau/nvkm/subdev/bios/dp.o
> >
> > (gcc version 8.2.0 x86_64)
> >
> > Signed-off-by: Colin Ian King <colin.king@canonical.com>
> > ---
> >  drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> > index 3133b28f849c..b099d1209be8 100644
> > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
> > @@ -212,7 +212,7 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
> >       u16 data;
> >
> >       if (*ver >= 0x30) {
> > -             const u8 vsoff[] = { 0, 4, 7, 9 };
> > +             static const u8 vsoff[] = { 0, 4, 7, 9 };
> >               idx = (pc * 10) + vsoff[vs] + pe;
> >               if (*ver >= 0x40 && *ver <= 0x41 && *hdr >= 0x12)
> >                       idx += nvbios_rd08(bios, outp + 0x11) * 40;
> >
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH] drm/nouveau/bios/dp: Make array vsoff static, shrinks object size
@ 2018-09-26  8:22 Colin King
  0 siblings, 0 replies; 4+ messages in thread
From: Colin King @ 2018-09-26  8:22 UTC (permalink / raw)
  To: Ben Skeggs, David Airlie, dri-devel, nouveau
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

Don't populate the array vsoff on the stack but instead make it
static. Makes the object code smaller by 67 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
   5753	    112	      0	   5865	   16e9 drm/nouveau/nvkm/subdev/bios/dp.o

After:
   text	   data	    bss	    dec	    hex	filename
   5622	    176	      0	   5798	   16a6 drm/nouveau/nvkm/subdev/bios/dp.o

(gcc version 8.2.0 x86_64)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
index 3133b28f849c..b099d1209be8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
@@ -212,7 +212,7 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
 	u16 data;
 
 	if (*ver >= 0x30) {
-		const u8 vsoff[] = { 0, 4, 7, 9 };
+		static const u8 vsoff[] = { 0, 4, 7, 9 };
 		idx = (pc * 10) + vsoff[vs] + pe;
 		if (*ver >= 0x40 && *ver <= 0x41 && *hdr >= 0x12)
 			idx += nvbios_rd08(bios, outp + 0x11) * 40;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-01-24 22:05 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2018-09-04 15:23 [PATCH] drm/nouveau/bios/dp: make array vsoff static, shrinks object size Colin King
2019-01-24 17:26 ` Colin Ian King
2019-01-24 22:05   ` Ben Skeggs
2018-09-26  8:22 [PATCH] drm/nouveau/bios/dp: Make " Colin King

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