Re: [PATCH 3/6] drm/imx: Build monolithic driver

From	Philipp Zabel <p.zabel@pengutronix.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 3/6] drm/imx: Build monolithic driver
Date	2015-09-25 15:10 +0200
Message-ID	<qcAVd-2gw-35@gated-at.bofh.it> (permalink)
References	<qcibT-Sv-5@gated-at.bofh.it> <qcibU-Sv-19@gated-at.bofh.it> <qcvsu-2R9-13@gated-at.bofh.it> <qcA8N-14l-9@gated-at.bofh.it>
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Am Freitag, den 25.09.2015, 14:17 +0200 schrieb Thierry Reding:
> I think you gain much less by splitting up than you realize. Compare
> this from before the series:
> 
> 	$ du -ch drivers/gpu/drm/imx/*.ko
> 	8.0K    drivers/gpu/drm/imx/dw_hdmi-imx.ko

Oh right, I didn't realize that this is just the shim. The bulk of the
HDMI driver is in bridge/dw_hdmi.ko.

> 	16K     drivers/gpu/drm/imx/imxdrm.ko
> 	16K     drivers/gpu/drm/imx/imx-ipuv3-crtc.ko
> 	12K     drivers/gpu/drm/imx/imx-ldb.ko
> 	12K     drivers/gpu/drm/imx/imx-tve.ko
> 	8.0K    drivers/gpu/drm/imx/parallel-display.ko
> 	72K     total
[...]
> with this after the series:
> 
> 	$ du -ch drivers/gpu/drm/imx/*.ko
> 	44K     drivers/gpu/drm/imx/imx-drm.ko
> 	44K     total
[...]
> There are other things to consider as well, such as the additional
> memory overhead caused by merely having multiple modules, or all of the
> exported functions that unnecessarily clutter up the symbol table, and
> which end up slowing down every symbol lookup.

Thanks, can't argue with those numbers.
I'll queue patches 3 and 4 for imx-drm.

regards
Philipp

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Thread

[PATCH 3/6] drm/imx: Build monolithic driver Thierry Reding <thierry.reding@gmail.com> - 2015-09-24 19:10 +0200
  Re: [PATCH 3/6] drm/imx: Build monolithic driver Philipp Zabel <p.zabel@pengutronix.de> - 2015-09-25 09:20 +0200
    Re: [PATCH 3/6] drm/imx: Build monolithic driver Thierry Reding <thierry.reding@gmail.com> - 2015-09-25 14:20 +0200
      Re: [PATCH 3/6] drm/imx: Build monolithic driver Philipp Zabel <p.zabel@pengutronix.de> - 2015-09-25 15:10 +0200
        Re: [PATCH 3/6] drm/imx: Build monolithic driver Philipp Zabel <p.zabel@pengutronix.de> - 2015-09-25 15:20 +0200
          Re: [PATCH 3/6] drm/imx: Build monolithic driver Thierry Reding <thierry.reding@gmail.com> - 2015-09-25 16:30 +0200

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