RE: [PATCH v4 05/10] drm/vs: add vs mode config init

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Hi Dmitry:

> -----Original Message-----
> From: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Sent: 2024年5月22日 4:53
> To: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
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> Subject: Re: [PATCH v4 05/10] drm/vs: add vs mode config init
> 
> On Tue, May 21, 2024 at 06:58:12PM +0800, keith wrote:
> > add vs mode config base api
> 
> Commit message? Please describe e.g. why are you using
> drm_atomic_helper_commit_tail_rpm() instead of
> drm_atomic_helper_commit_tail().
> 
> >
> > Signed-off-by: keith <keith.zhao@xxxxxxxxxxxxxxxx>
> 
> Name
This can be modified.
> 
> > ---
> >  drivers/gpu/drm/verisilicon/Makefile     |  3 +-
> >  drivers/gpu/drm/verisilicon/vs_modeset.c | 36
> > ++++++++++++++++++++++++  drivers/gpu/drm/verisilicon/vs_modeset.h |
> > 10 +++++++
> >  3 files changed, 48 insertions(+), 1 deletion(-)  create mode 100644
> > drivers/gpu/drm/verisilicon/vs_modeset.c
> >  create mode 100644 drivers/gpu/drm/verisilicon/vs_modeset.h
> >
> > diff --git a/drivers/gpu/drm/verisilicon/Makefile
> > b/drivers/gpu/drm/verisilicon/Makefile
> > index 7da54b259940..536091f37378 100644
> > --- a/drivers/gpu/drm/verisilicon/Makefile
> > +++ b/drivers/gpu/drm/verisilicon/Makefile
> > @@ -1,5 +1,6 @@
> >  # SPDX-License-Identifier: GPL-2.0
> >
> > -vs_drm-objs := vs_dc_hw.o
> > +vs_drm-objs := vs_dc_hw.o \
> > +		vs_modeset.o
> >
> >  obj-$(CONFIG_DRM_VERISILICON_DC8200) += vs_drm.o diff --git
> > a/drivers/gpu/drm/verisilicon/vs_modeset.c
> > b/drivers/gpu/drm/verisilicon/vs_modeset.c
> > new file mode 100644
> > index 000000000000..c71fe0d32504
> > --- /dev/null
> > +++ b/drivers/gpu/drm/verisilicon/vs_modeset.c
> > @@ -0,0 +1,36 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> > + */
> > +#include <drm/drm_damage_helper.h>
> 
> I don't see anything concerning damage helpers being used here.
> 
Yes , it should use drm_atomic_helper.h instead of drm_damage_helper.h

> > +#include <drm/drm_fb_helper.h>
> > +#include <drm/drm_gem_framebuffer_helper.h>
> > +
> > +#include "vs_modeset.h"
> > +
> > +static const struct drm_mode_config_funcs vs_mode_config_funcs = {
> > +	.fb_create			 = drm_gem_fb_create,
> > +	.atomic_check		 = drm_atomic_helper_check,
> > +	.atomic_commit		 = drm_atomic_helper_commit,
> > +};
> > +
> > +static struct drm_mode_config_helper_funcs vs_mode_config_helpers = {
> > +	.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
> > +};
> > +
> > +void vs_mode_config_init(struct drm_device *dev) {
> > +	int ret;
> > +
> > +	ret = drmm_mode_config_init(dev);
> > +	if (ret)
> > +		return;
> > +
> > +	dev->mode_config.min_width  = 0;
> > +	dev->mode_config.min_height = 0;
> > +	dev->mode_config.max_width  = 4096;
> > +	dev->mode_config.max_height = 4096;
> > +
> > +	dev->mode_config.funcs = &vs_mode_config_funcs;
> > +	dev->mode_config.helper_private = &vs_mode_config_helpers; }
> > diff --git a/drivers/gpu/drm/verisilicon/vs_modeset.h
> > b/drivers/gpu/drm/verisilicon/vs_modeset.h
> > new file mode 100644
> > index 000000000000..bd04f81d2ad2
> > --- /dev/null
> > +++ b/drivers/gpu/drm/verisilicon/vs_modeset.h
> > @@ -0,0 +1,10 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * Copyright (C) 2020 VeriSilicon Holdings Co., Ltd.
> > + */
> > +
> > +#ifndef __VS_MODESET_H__
> > +#define __VS_MODESET_H__
> > +
> > +void vs_mode_config_init(struct drm_device *dev); #endif /*
> > +__VS_FB_H__ */
> > --
> > 2.27.0
> >
> 
> --
> With best wishes
> Dmitry




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