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Date: Sun, 23 Jun 2024 07:17:01 +0000
From: Keith Zhao <keith.zhao@...rfivetech.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: "andrzej.hajda@...el.com" <andrzej.hajda@...el.com>,
"neil.armstrong@...aro.org" <neil.armstrong@...aro.org>, "rfoss@...nel.org"
<rfoss@...nel.org>, "Laurent.pinchart@...asonboard.com"
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"jernej.skrabec@...il.com" <jernej.skrabec@...il.com>,
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<andy.yan@...k-chips.com>, Xingyu Wu <xingyu.wu@...rfivetech.com>,
"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>, Jack Zhu
<jack.zhu@...rfivetech.com>, Shengyang Chen
<shengyang.chen@...rfivetech.com>, "dri-devel@...ts.freedesktop.org"
<dri-devel@...ts.freedesktop.org>, "devicetree@...r.kernel.org"
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<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v4 05/10] drm/vs: add vs mode config init
Hi Dmitry:
> -----Original Message-----
> From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Sent: 2024年5月22日 4:53
> To: Keith Zhao <keith.zhao@...rfivetech.com>
> Cc: andrzej.hajda@...el.com; neil.armstrong@...aro.org; rfoss@...nel.org;
> Laurent.pinchart@...asonboard.com; jonas@...boo.se;
> jernej.skrabec@...il.com; maarten.lankhorst@...ux.intel.com;
> mripard@...nel.org; tzimmermann@...e.de; airlied@...il.com;
> daniel@...ll.ch; robh@...nel.org; krzk+dt@...nel.org; conor+dt@...nel.org;
> hjc@...k-chips.com; heiko@...ech.de; andy.yan@...k-chips.com; Xingyu Wu
> <xingyu.wu@...rfivetech.com>; p.zabel@...gutronix.de; Jack Zhu
> <jack.zhu@...rfivetech.com>; Shengyang Chen
> <shengyang.chen@...rfivetech.com>; dri-devel@...ts.freedesktop.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org
> 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@...rfivetech.com>
>
> 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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