[PATCH 05/12] drm/imx: Don't set allow_fb_modifiers explicitly

[Daniel Vetter]

On Tue, Apr 13, 2021 at 01:47:28PM +0200, Lucas Stach wrote:
> Am Dienstag, dem 13.04.2021 um 11:48 +0200 schrieb Daniel Vetter:
> > Since
> > 
> > commit 890880ddfdbe256083170866e49c87618b706ac7
> > Author: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
> > Date:   Fri Jan 4 09:56:10 2019 +0100
> > 
> >     drm: Auto-set allow_fb_modifiers when given modifiers at plane init
> > 
> > this is done automatically as part of plane init, if drivers set the
> > modifier list correctly. Which is the case here.
> > 
> > This one actually set it twice on top of what drm_plane_init does, so
> > double-redundant!
> 
> That's not true. imx-dcss and imx-drm are two totally separate drivers.
> Maybe we should move imx-drm into its own ipuv3 directory one day to
> make this more clear. Change is still correct, though.

Hm I greeped for drm_universal_plane_init and didn't find anythinf for the
imx main driver ... where are planes set up for that? Need to review that
they have the modifiers listed in all cases.
-Daniel

> 
> Reviewed-by: Lucas Stach <l.stach at pengutronix.de>
> 
> > Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> > Cc: Philipp Zabel <p.zabel at pengutronix.de>
> > Cc: Shawn Guo <shawnguo at kernel.org>
> > Cc: Sascha Hauer <s.hauer at pengutronix.de>
> > Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> > Cc: Fabio Estevam <festevam at gmail.com>
> > Cc: NXP Linux Team <linux-imx at nxp.com>
> > Cc: linux-arm-kernel at lists.infradead.org
> > ---
> >  drivers/gpu/drm/imx/dcss/dcss-kms.c | 1 -
> >  drivers/gpu/drm/imx/imx-drm-core.c  | 1 -
> >  2 files changed, 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c
> > index b549ce5e7607..37ae68a7fba5 100644
> > --- a/drivers/gpu/drm/imx/dcss/dcss-kms.c
> > +++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c
> > @@ -52,7 +52,6 @@ static void dcss_kms_mode_config_init(struct dcss_kms_dev *kms)
> >  	config->min_height = 1;
> >  	config->max_width = 4096;
> >  	config->max_height = 4096;
> > -	config->allow_fb_modifiers = true;
> >  	config->normalize_zpos = true;
> >  
> > 
> > 
> > 
> >  	config->funcs = &dcss_drm_mode_config_funcs;
> > diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
> > index 2ded8e4f32d0..8be4edaec958 100644
> > --- a/drivers/gpu/drm/imx/imx-drm-core.c
> > +++ b/drivers/gpu/drm/imx/imx-drm-core.c
> > @@ -209,7 +209,6 @@ static int imx_drm_bind(struct device *dev)
> >  	drm->mode_config.max_height = 4096;
> >  	drm->mode_config.funcs = &imx_drm_mode_config_funcs;
> >  	drm->mode_config.helper_private = &imx_drm_mode_config_helpers;
> > -	drm->mode_config.allow_fb_modifiers = true;
> >  	drm->mode_config.normalize_zpos = true;
> >  
> > 
> > 
> > 
> >  	ret = drmm_mode_config_init(drm);
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch