[Intel-gfx] [igt-dev] [PATCH i-g-t] lib: Rework __kms_addfb() function
chris at chris-wilson.co.uk
Wed Apr 10 11:59:54 UTC 2019
Quoting Arkadiusz Hiler (2019-04-10 12:57:03)
> On Wed, Apr 10, 2019 at 12:34:07PM +0100, Chris Wilson wrote:
> > Quoting Arkadiusz Hiler (2019-04-10 12:28:08)
> > > On Wed, Apr 03, 2019 at 07:24:39PM -0300, Rodrigo Siqueira wrote:
> > > > The function __kms_addfb() and drmModeAddFB2WithModifiers() have a
> > > > similar code. Due to this similarity, this commit replace part of the
> > > > code inside __kms_addfb() by using drmModeAddFB2WithModifiers().
> > >
> > > igt master % grep '^libdrm_version' meson.build
> > > libdrm_version = '>=2.4.82'
> > Why introduce a dependency? The primary purpose of igt is breaking
> > ioctls, and that typically requires avoiding any protective libraries.
> > In particular, we want to be very, very clear about what igt is doing
> > (in terms of kernel api/abi) and not obfuscate.
> > -Chris
> We depend on one additional call from a library that we already use
> widely across the whole codebase and it's straight up a simple wrapper.
> Which seems to be a pattern - we us those simple wrapper where
> available, and write our own if there is nothing suitable.
I completely disagree with that assessment, and do not think we should
undermine igt so lightly.
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